From b41e96a8af8e7d30efec1e13c078c4847d2d3efe Mon Sep 17 00:00:00 2001
From: Jan Sandbrink <j.sandbrink@finn.de>
Date: Mon, 31 Aug 2015 09:23:09 +0200
Subject: [PATCH] Adapt frontend-specs to new embedding

just realized that those are 12k lines of C&P activities.
I reduced the amount to a less insane (but still not quite sane) ~1k lines...

It might be a better idea to automatically generate those mocks.
This would be:
- more consistent
- more up-to-date with real data
- less error-prone (b.c. less copypasta)
---
 .../integration/mocks/work-packages/819.json  |  361 +--
 .../integration/mocks/work-packages/820.json  | 2194 ++------------
 .../integration/mocks/work-packages/821.json  | 2194 ++------------
 .../integration/mocks/work-packages/822.json  | 2648 ++---------------
 .../integration/mocks/work-packages/823.json  | 2183 ++------------
 .../integration/mocks/work-packages/824.json  | 2183 ++------------
 .../integration/mocks/work-packages/825.json  | 2183 ++------------
 .../activity-with-revisions-spec.js           |    9 +-
 .../work-package-details-controller-test.js   |   14 +-
 9 files changed, 1352 insertions(+), 12617 deletions(-)

diff --git a/frontend/tests/integration/mocks/work-packages/819.json b/frontend/tests/integration/mocks/work-packages/819.json
index ac1498b9e6..b745261478 100644
--- a/frontend/tests/integration/mocks/work-packages/819.json
+++ b/frontend/tests/integration/mocks/work-packages/819.json
@@ -140,6 +140,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/819/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/819/activities"
     }
   },
   "_embedded": {
@@ -279,189 +282,199 @@
       "updatedAt": "2015-02-13T10:08:53+00:00",
       "type": null
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/333",
-            "title": "333"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/65",
-            "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/333",
-            "method": "patch",
-            "title": "333"
-          }
-        },
-        "id": 333,
-        "comment": {
-          "format": "textile",
-          "raw": "",
-          "html": ""
-        },
-        "details": [
-          {
-            "format": "custom",
-            "raw": "Type set to Phase",
-            "html": "<strong>Type</strong> set to <i title=\"Phase\">Phase</i>"
-          },
-          {
-            "format": "custom",
-            "raw": "Project set to Seeded Project",
-            "html": "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>"
-          },
-          {
-            "format": "custom",
-            "raw": "Subject set to veritatis voluptas hic qui praesentium tempora illum omnis",
-            "html": "<strong>Subject</strong> set to <i title=\"veritatis voluptas hic qui praesentium tempora illum omnis\">veritatis voluptas hic qui praesentium tempora illum omnis</i>"
-          },
-          {
-            "format": "custom",
-            "raw": "Description set (/journals/333/diff/description)",
-            "html": "<strong>Description</strong> set (<a href=\"/journals/333/diff/description\" class=\"description-details\">Details</a>)"
-          },
-          {
-            "format": "custom",
-            "raw": "Due date set to 04/29/2015",
-            "html": "<strong>Due date</strong> set to <i title=\"04/29/2015\">04/29/2015</i>"
-          },
-          {
-            "format": "custom",
-            "raw": "Status set to new",
-            "html": "<strong>Status</strong> set to <i title=\"new\">new</i>"
-          },
-          {
-            "format": "custom",
-            "raw": "Priority set to Normal",
-            "html": "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>"
-          },
+    "activities": {
+      "_type": "Collection",
+      "_links": {
+        "self": { "href": "/api/v3/work_packages/819/activities" }
+      },
+      "total": 4,
+      "count": 4,
+      "_embedded": {
+        "elements": [
           {
-            "format": "custom",
-            "raw": "Author set to Alexandrine Heidenreich",
-            "html": "<strong>Author</strong> set to <i title=\"Alexandrine Heidenreich\">Alexandrine Heidenreich</i>"
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/333",
+                "title": "333"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/3",
+                "title": "Anonymous - "
+              },
+              "update": {
+                "href": "/api/v3/activities/333",
+                "method": "patch",
+                "title": "333"
+              }
+            },
+            "id": 333,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Type set to Phase",
+                "html": "<strong>Type</strong> set to <i title=\"Phase\">Phase</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Project set to Seeded Project",
+                "html": "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Subject set to veritatis voluptas hic qui praesentium tempora illum omnis",
+                "html": "<strong>Subject</strong> set to <i title=\"veritatis voluptas hic qui praesentium tempora illum omnis\">veritatis voluptas hic qui praesentium tempora illum omnis</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Description set (/journals/333/diff/description)",
+                "html": "<strong>Description</strong> set (<a href=\"/journals/333/diff/description\" class=\"description-details\">Details</a>)"
+              },
+              {
+                "format": "custom",
+                "raw": "Due date set to 04/29/2015",
+                "html": "<strong>Due date</strong> set to <i title=\"04/29/2015\">04/29/2015</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Status set to new",
+                "html": "<strong>Status</strong> set to <i title=\"new\">new</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Priority set to Normal",
+                "html": "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Author set to Alexandrine Heidenreich",
+                "html": "<strong>Author</strong> set to <i title=\"Alexandrine Heidenreich\">Alexandrine Heidenreich</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "% done changed from 0 to 0",
+                "html": "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Start date set to 02/17/2015",
+                "html": "<strong>Start date</strong> set to <i title=\"02/17/2015\">02/17/2015</i>"
+              }
+            ],
+            "version": 1,
+            "createdAt": "2015-02-13T10:09:07+00:00"
           },
           {
-            "format": "custom",
-            "raw": "% done changed from 0 to 0",
-            "html": "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>"
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/816",
+                "title": "816"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/816",
+                "method": "patch",
+                "title": "816"
+              }
+            },
+            "id": 816,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Status changed from new to in progress",
+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
           },
           {
-            "format": "custom",
-            "raw": "Start date set to 02/17/2015",
-            "html": "<strong>Start date</strong> set to <i title=\"02/17/2015\">02/17/2015</i>"
-          }
-        ],
-        "version": 1,
-        "createdAt": "2015-02-13T10:09:07+00:00"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/816",
-            "title": "816"
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
           },
-          "workPackage": {
-            "href": "/api/v3/work_packages/65",
-            "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/816",
-            "method": "patch",
-            "title": "816"
-          }
-        },
-        "id": 816,
-        "comment": {
-          "format": "textile",
-          "raw": "",
-          "html": ""
-        },
-        "details": [
           {
-            "format": "custom",
-            "raw": "Status changed from new to in progress",
-            "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
           }
-        ],
-        "version": 2,
-        "createdAt": "2015-04-07T13:36:43+00:00"
-      },
-      {
-        "_type": "Activity::Comment",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/817",
-            "title": "817"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/65",
-            "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/817",
-            "method": "patch",
-            "title": "817"
-          }
-        },
-        "id": 817,
-        "comment": {
-          "format": "textile",
-          "raw": "I have a comment",
-          "html": "<p>I have a comment</p>"
-        },
-        "details": [],
-        "version": 3,
-        "createdAt": "2015-04-07T13:37:09+00:00"
-      },
-      {
-        "_type": "Activity::Comment",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/818",
-            "title": "818"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/65",
-            "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/818",
-            "method": "patch",
-            "title": "818"
-          }
-        },
-        "id": 818,
-        "comment": {
-          "format": "textile",
-          "raw": "And another one",
-          "html": "<p>And another one</p>"
-        },
-        "details": [],
-        "version": 4,
-        "createdAt": "2015-04-07T13:37:33+00:00"
+        ]
       }
-    ],
+    },
     "watchers": [],
     "attachments" : {
       "_links" : {
diff --git a/frontend/tests/integration/mocks/work-packages/820.json b/frontend/tests/integration/mocks/work-packages/820.json
index f481952a42..d1d699378a 100644
--- a/frontend/tests/integration/mocks/work-packages/820.json
+++ b/frontend/tests/integration/mocks/work-packages/820.json
@@ -88,6 +88,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/820/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/820/activities"
     }
   },
   "id": 820,
@@ -152,2006 +155,199 @@
       "updatedAt": "2014-11-05T15:56:820Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
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-        "createdAt": "2014-11-19T12:53:54Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/573",
-            "title": "573"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/573",
-            "method": "patch",
-            "title": "573"
-          }
-        },
-        "id": 573,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sad to sadaa"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sad\">sad</i> to <i title=\"sadaa\">sadaa</i>"
-        ],
-        "version": 54,
-        "createdAt": "2014-11-21T08:32:09Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/574",
-            "title": "574"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/574",
-            "method": "patch",
-            "title": "574"
-          }
-        },
-        "id": 574,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/574/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/574/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 55,
-        "createdAt": "2014-11-21T08:34:01Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/575",
-            "title": "575"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/575",
-            "method": "patch",
-            "title": "575"
-          }
-        },
-        "id": 575,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa to sadaa222"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa\">sadaa</i> to <i title=\"sadaa222\">sadaa222</i>"
-        ],
-        "version": 56,
-        "createdAt": "2014-11-21T08:38:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/576",
-            "title": "576"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/576",
-            "method": "patch",
-            "title": "576"
-          }
-        },
-        "id": 576,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa222 to sadaa22222"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa222\">sadaa222</i> to <i title=\"sadaa22222\">sadaa22222</i>"
-        ],
-        "version": 57,
-        "createdAt": "2014-11-21T08:41:25Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/577",
-            "title": "577"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/577",
-            "method": "patch",
-            "title": "577"
-          }
-        },
-        "id": 577,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa22222 to 23"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa22222\">sadaa22222</i> to <i title=\"23\">23</i>"
-        ],
-        "version": 58,
-        "createdAt": "2014-11-21T08:47:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/578",
-            "title": "578"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/578",
-            "method": "patch",
-            "title": "578"
-          }
-        },
-        "id": 578,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from 23 to 66666"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"23\">23</i> to <i title=\"66666\">66666</i>"
-        ],
-        "version": 59,
-        "createdAt": "2014-11-21T08:48:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/580",
-            "title": "580"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/820",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/580",
-            "method": "patch",
-            "title": "580"
-          }
-        },
-        "id": 580,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Status changed from tested to rejected"
-        ],
-        "htmlDetails": [
-          "<strong>Status</strong> changed from <i title=\"tested\">tested</i> to <i title=\"rejected\">rejected</i>"
-        ],
-        "version": 60,
-        "createdAt": "2014-11-21T08:48:57Z"
+    "activities": {
+      "_type": "Collection",
+      "_links": {
+        "self": { "href": "/api/v3/work_packages/820/activities" }
+      },
+      "total": 4,
+      "count": 4,
+      "_embedded": {
+        "elements": [
+          {
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/333",
+                "title": "333"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/3",
+                "title": "Anonymous - "
+              },
+              "update": {
+                "href": "/api/v3/activities/333",
+                "method": "patch",
+                "title": "333"
+              }
+            },
+            "id": 333,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Type set to Phase",
+                "html": "<strong>Type</strong> set to <i title=\"Phase\">Phase</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Project set to Seeded Project",
+                "html": "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Subject set to veritatis voluptas hic qui praesentium tempora illum omnis",
+                "html": "<strong>Subject</strong> set to <i title=\"veritatis voluptas hic qui praesentium tempora illum omnis\">veritatis voluptas hic qui praesentium tempora illum omnis</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Description set (/journals/333/diff/description)",
+                "html": "<strong>Description</strong> set (<a href=\"/journals/333/diff/description\" class=\"description-details\">Details</a>)"
+              },
+              {
+                "format": "custom",
+                "raw": "Due date set to 04/29/2015",
+                "html": "<strong>Due date</strong> set to <i title=\"04/29/2015\">04/29/2015</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Status set to new",
+                "html": "<strong>Status</strong> set to <i title=\"new\">new</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Priority set to Normal",
+                "html": "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Author set to Alexandrine Heidenreich",
+                "html": "<strong>Author</strong> set to <i title=\"Alexandrine Heidenreich\">Alexandrine Heidenreich</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "% done changed from 0 to 0",
+                "html": "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Start date set to 02/17/2015",
+                "html": "<strong>Start date</strong> set to <i title=\"02/17/2015\">02/17/2015</i>"
+              }
+            ],
+            "version": 1,
+            "createdAt": "2015-02-13T10:09:07+00:00"
+          },
+          {
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/816",
+                "title": "816"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/816",
+                "method": "patch",
+                "title": "816"
+              }
+            },
+            "id": 816,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Status changed from new to in progress",
+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
        "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/mocks/work-packages/821.json b/frontend/tests/integration/mocks/work-packages/821.json
index d29b911a19..a93ea0440e 100644
--- a/frontend/tests/integration/mocks/work-packages/821.json
+++ b/frontend/tests/integration/mocks/work-packages/821.json
@@ -95,6 +95,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/821/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/821/activities"
     }
   },
   "id": 821,
@@ -159,2006 +162,199 @@
       "updatedAt": "2014-11-05T15:56:821Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/506",
-            "title": "506"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/506",
-            "method": "patch",
-            "title": "506"
-          }
-        },
-        "id": 506,
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-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/573",
-            "method": "patch",
-            "title": "573"
-          }
-        },
-        "id": 573,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sad to sadaa"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sad\">sad</i> to <i title=\"sadaa\">sadaa</i>"
-        ],
-        "version": 54,
-        "createdAt": "2014-11-21T08:32:09Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/574",
-            "title": "574"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/574",
-            "method": "patch",
-            "title": "574"
-          }
-        },
-        "id": 574,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/574/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/574/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 55,
-        "createdAt": "2014-11-21T08:34:01Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/575",
-            "title": "575"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/575",
-            "method": "patch",
-            "title": "575"
-          }
-        },
-        "id": 575,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa to sadaa222"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa\">sadaa</i> to <i title=\"sadaa222\">sadaa222</i>"
-        ],
-        "version": 56,
-        "createdAt": "2014-11-21T08:38:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/576",
-            "title": "576"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/576",
-            "method": "patch",
-            "title": "576"
-          }
-        },
-        "id": 576,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa222 to sadaa22222"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa222\">sadaa222</i> to <i title=\"sadaa22222\">sadaa22222</i>"
-        ],
-        "version": 57,
-        "createdAt": "2014-11-21T08:41:25Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/577",
-            "title": "577"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/577",
-            "method": "patch",
-            "title": "577"
-          }
-        },
-        "id": 577,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from sadaa22222 to 23"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"sadaa22222\">sadaa22222</i> to <i title=\"23\">23</i>"
-        ],
-        "version": 58,
-        "createdAt": "2014-11-21T08:47:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/578",
-            "title": "578"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/578",
-            "method": "patch",
-            "title": "578"
-          }
-        },
-        "id": 578,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from 23 to 66666"
-        ],
-        "htmlDetails": [
-          "<strong>Subject</strong> changed from <i title=\"23\">23</i> to <i title=\"66666\">66666</i>"
-        ],
-        "version": 59,
-        "createdAt": "2014-11-21T08:48:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/580",
-            "title": "580"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/821",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/580",
-            "method": "patch",
-            "title": "580"
-          }
-        },
-        "id": 580,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Status changed from tested to rejected"
-        ],
-        "htmlDetails": [
-          "<strong>Status</strong> changed from <i title=\"tested\">tested</i> to <i title=\"rejected\">rejected</i>"
-        ],
-        "version": 60,
-        "createdAt": "2014-11-21T08:48:57Z"
+    "activities": {
+      "_type": "Collection",
+      "_links": {
+        "self": { "href": "/api/v3/work_packages/821/activities" }
+      },
+      "total": 4,
+      "count": 4,
+      "_embedded": {
+        "elements": [
+          {
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/333",
+                "title": "333"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/3",
+                "title": "Anonymous - "
+              },
+              "update": {
+                "href": "/api/v3/activities/333",
+                "method": "patch",
+                "title": "333"
+              }
+            },
+            "id": 333,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Type set to Phase",
+                "html": "<strong>Type</strong> set to <i title=\"Phase\">Phase</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Project set to Seeded Project",
+                "html": "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Subject set to veritatis voluptas hic qui praesentium tempora illum omnis",
+                "html": "<strong>Subject</strong> set to <i title=\"veritatis voluptas hic qui praesentium tempora illum omnis\">veritatis voluptas hic qui praesentium tempora illum omnis</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Description set (/journals/333/diff/description)",
+                "html": "<strong>Description</strong> set (<a href=\"/journals/333/diff/description\" class=\"description-details\">Details</a>)"
+              },
+              {
+                "format": "custom",
+                "raw": "Due date set to 04/29/2015",
+                "html": "<strong>Due date</strong> set to <i title=\"04/29/2015\">04/29/2015</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Status set to new",
+                "html": "<strong>Status</strong> set to <i title=\"new\">new</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Priority set to Normal",
+                "html": "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Author set to Alexandrine Heidenreich",
+                "html": "<strong>Author</strong> set to <i title=\"Alexandrine Heidenreich\">Alexandrine Heidenreich</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "% done changed from 0 to 0",
+                "html": "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>"
+              },
+              {
+                "format": "custom",
+                "raw": "Start date set to 02/17/2015",
+                "html": "<strong>Start date</strong> set to <i title=\"02/17/2015\">02/17/2015</i>"
+              }
+            ],
+            "version": 1,
+            "createdAt": "2015-02-13T10:09:07+00:00"
+          },
+          {
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/816",
+                "title": "816"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/816",
+                "method": "patch",
+                "title": "816"
+              }
+            },
+            "id": 816,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Status changed from new to in progress",
+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
        "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/mocks/work-packages/822.json b/frontend/tests/integration/mocks/work-packages/822.json
index 3853803482..4032e147e3 100644
--- a/frontend/tests/integration/mocks/work-packages/822.json
+++ b/frontend/tests/integration/mocks/work-packages/822.json
@@ -99,6 +99,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/822/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/822/activities"
     }
   },
   "id": 822,
@@ -191,2460 +194,199 @@
       "updatedAt": "2014-12-03T14:58:37Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/506",
-            "title": "506"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/822",
-            "title": "66666os="
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/506",
-            "method": "patch",
-            "title": "506"
-          }
-        },
-        "id": 506,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/506/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/506/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 8,
-        "createdAt": "2014-11-10T12:32:40Z"
-      },
-      {
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+                "raw": "Start date set to 02/17/2015",
+                "html": "<strong>Start date</strong> set to <i title=\"02/17/2015\">02/17/2015</i>"
+              }
+            ],
+            "version": 1,
+            "createdAt": "2015-02-13T10:09:07+00:00"
+          },
+          {
+            "_type": "Activity",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/816",
+                "title": "816"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/816",
+                "method": "patch",
+                "title": "816"
+              }
+            },
+            "id": 816,
+            "comment": {
+              "format": "textile",
+              "raw": "",
+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Status changed from new to in progress",
+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
+          },
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
     "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/mocks/work-packages/823.json b/frontend/tests/integration/mocks/work-packages/823.json
index dedecefdff..bb9452fb2e 100644
--- a/frontend/tests/integration/mocks/work-packages/823.json
+++ b/frontend/tests/integration/mocks/work-packages/823.json
@@ -99,6 +99,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/823/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/823/activities"
     }
   },
   "id": 823,
@@ -191,2009 +194,199 @@
       "updatedAt": "2014-11-05T15:56:823Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/506",
-            "title": "506"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/506",
-            "method": "patch",
-            "title": "506"
-          }
-        },
-        "id": 506,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/506/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/506/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 8,
-        "createdAt": "2014-11-10T12:32:40Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/507",
-            "title": "507"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/507",
-            "method": "patch",
-            "title": "507"
-          }
-        },
-        "id": 507,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/507/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/507/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 9,
-        "createdAt": "2014-11-10T12:32:45Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/511",
-            "title": "511"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/511",
-            "method": "patch",
-            "title": "511"
-          }
-        },
-        "id": 511,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/511/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/511/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 10,
-        "createdAt": "2014-11-10T14:10:51Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/512",
-            "title": "512"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/512",
-            "method": "patch",
-            "title": "512"
-          }
-        },
-        "id": 512,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/512/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/512/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 11,
-        "createdAt": "2014-11-10T14:42:50Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/513",
-            "title": "513"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/513",
-            "method": "patch",
-            "title": "513"
-          }
-        },
-        "id": 513,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/513/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/513/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 12,
-        "createdAt": "2014-11-10T14:44:11Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/514",
-            "title": "514"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/514",
-            "method": "patch",
-            "title": "514"
-          }
-        },
-        "id": 514,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description set (/journals/514/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> set (<a href=\"/journals/514/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 13,
-        "createdAt": "2014-11-10T14:44:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/515",
-            "title": "515"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/515",
-            "method": "patch",
-            "title": "515"
-          }
-        },
-        "id": 515,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/515/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/515/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 14,
-        "createdAt": "2014-11-10T14:47:36Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/516",
-            "title": "516"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/516",
-            "method": "patch",
-            "title": "516"
-          }
-        },
-        "id": 516,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description set (/journals/516/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> set (<a href=\"/journals/516/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 15,
-        "createdAt": "2014-11-10T14:823:47Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/517",
-            "title": "517"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/517",
-            "method": "patch",
-            "title": "517"
-          }
-        },
-        "id": 517,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/517/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/517/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 16,
-        "createdAt": "2014-11-10T14:53:17Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/518",
-            "title": "518"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/518",
-            "method": "patch",
-            "title": "518"
-          }
-        },
-        "id": 518,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/518/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/518/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 17,
-        "createdAt": "2014-11-10T15:17:34Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/8233",
-            "title": "8233"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/823",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
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-            "method": "patch",
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-        },
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-        "comment": "",
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+              "html": ""
+            },
+            "details": [
+              {
+                "format": "custom",
+                "raw": "Status changed from new to in progress",
+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
           },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
           },
-          "update": {
-            "href": "/api/v3/activities/580",
-            "method": "patch",
-            "title": "580"
-          }
-        },
-        "id": 580,
-        "comment": "",
-        "rawComment": "",
-        "details": [
           {
-            "format": "textile",
-            "raw": "Status changed from tested to rejected",
-            "html": "<strong>Status</strong> changed from <i title=\"tested\">tested</i> to <i title=\"rejected\">rejected</i>"
-          }
-        ],
-        "version": 60,
-        "createdAt": "2014-11-21T08:48:57Z"
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
     "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/mocks/work-packages/824.json b/frontend/tests/integration/mocks/work-packages/824.json
index 76b91e884a..f3e9f2b5fa 100644
--- a/frontend/tests/integration/mocks/work-packages/824.json
+++ b/frontend/tests/integration/mocks/work-packages/824.json
@@ -99,6 +99,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/824/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/824/activities"
     }
   },
   "id": 824,
@@ -191,2009 +194,199 @@
       "updatedAt": "2014-11-05T15:56:824Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/506",
-            "title": "506"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/506",
-            "method": "patch",
-            "title": "506"
-          }
-        },
-        "id": 506,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/506/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/506/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 8,
-        "createdAt": "2014-11-10T12:32:40Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/507",
-            "title": "507"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/507",
-            "method": "patch",
-            "title": "507"
-          }
-        },
-        "id": 507,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/507/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/507/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 9,
-        "createdAt": "2014-11-10T12:32:45Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/511",
-            "title": "511"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/511",
-            "method": "patch",
-            "title": "511"
-          }
-        },
-        "id": 511,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/511/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/511/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 10,
-        "createdAt": "2014-11-10T14:10:51Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/512",
-            "title": "512"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/512",
-            "method": "patch",
-            "title": "512"
-          }
-        },
-        "id": 512,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/512/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/512/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 11,
-        "createdAt": "2014-11-10T14:42:50Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/513",
-            "title": "513"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/513",
-            "method": "patch",
-            "title": "513"
-          }
-        },
-        "id": 513,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/513/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/513/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 12,
-        "createdAt": "2014-11-10T14:44:11Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/514",
-            "title": "514"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/514",
-            "method": "patch",
-            "title": "514"
-          }
-        },
-        "id": 514,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description set (/journals/514/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> set (<a href=\"/journals/514/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 13,
-        "createdAt": "2014-11-10T14:44:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/515",
-            "title": "515"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/515",
-            "method": "patch",
-            "title": "515"
-          }
-        },
-        "id": 515,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/515/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/515/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 14,
-        "createdAt": "2014-11-10T14:47:36Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/516",
-            "title": "516"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/516",
-            "method": "patch",
-            "title": "516"
-          }
-        },
-        "id": 516,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description set (/journals/516/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> set (<a href=\"/journals/516/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 15,
-        "createdAt": "2014-11-10T14:824:47Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/517",
-            "title": "517"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/517",
-            "method": "patch",
-            "title": "517"
-          }
-        },
-        "id": 517,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/517/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/517/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 16,
-        "createdAt": "2014-11-10T14:53:17Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/518",
-            "title": "518"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/518",
-            "method": "patch",
-            "title": "518"
-          }
-        },
-        "id": 518,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/518/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/518/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 17,
-        "createdAt": "2014-11-10T15:17:34Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/8243",
-            "title": "8243"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/824",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/8243",
-            "method": "patch",
-            "title": "8243"
-          }
-        },
-        "id": 8243,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Subject changed from praesentium repellendus nam officia velit voluptas voluptas quasi to praesentium repellendus nam officia velit voluptas voluptas quasivv"
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+                "html": "<strong>Status</strong> changed from <i title=\"new\">new</i> to <i title=\"in progress\">in progress</i>"
+              }
+            ],
+            "version": 2,
+            "createdAt": "2015-04-07T13:36:43+00:00"
           },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
+          {
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
           },
-          "update": {
-            "href": "/api/v3/activities/580",
-            "method": "patch",
-            "title": "580"
-          }
-        },
-        "id": 580,
-        "comment": "",
-        "rawComment": "",
-        "details": [
           {
-            "format": "textile",
-            "raw": "Status changed from tested to rejected",
-            "html": "<strong>Status</strong> changed from <i title=\"tested\">tested</i> to <i title=\"rejected\">rejected</i>"
-          }
-        ],
-        "version": 60,
-        "createdAt": "2014-11-21T08:48:57Z"
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
     "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/mocks/work-packages/825.json b/frontend/tests/integration/mocks/work-packages/825.json
index e399602d28..782cc10fe4 100644
--- a/frontend/tests/integration/mocks/work-packages/825.json
+++ b/frontend/tests/integration/mocks/work-packages/825.json
@@ -103,6 +103,9 @@
     },
     "attachments": {
       "href": "/api/v3/work_packages/825/attachments"
+    },
+    "activities": {
+      "href": "/api/v3/work_packages/825/activities"
     }
   },
   "id": 825,
@@ -195,2009 +198,199 @@
       "updatedAt": "2014-11-05T15:56:825Z",
       "status": 1
     },
-    "activities": [
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/315",
-            "title": "315"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/3",
-            "title": "Anonymous - "
-          },
-          "update": {
-            "href": "/api/v3/activities/315",
-            "method": "patch",
-            "title": "315"
-          }
-        },
-        "id": 315,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Type set to Feature",
-          "Project set to Seeded Project",
-          "Subject set to praesentium repellendus nam officia velit voluptas voluptas quasi",
-          "Description set (/journals/315/diff/description)",
-          "Due date set to 12/27/2014",
-          "Status set to new",
-          "Priority set to Normal",
-          "Author set to Freida Fay",
-          "% done changed from 0 to 0",
-          "Start date set to 10/23/2014"
-        ],
-        "htmlDetails": [
-          "<strong>Type</strong> set to <i title=\"Feature\">Feature</i>",
-          "<strong>Project</strong> set to <i title=\"Seeded Project\">Seeded Project</i>",
-          "<strong>Subject</strong> set to <i title=\"praesentium repellendus nam officia velit voluptas voluptas quasi\">praesentium repellendus nam officia velit voluptas voluptas quasi</i>",
-          "<strong>Description</strong> set (<a href=\"/journals/315/diff/description\" class=\"description-details\">Details</a>)",
-          "<strong>Due date</strong> set to <i title=\"12/27/2014\">12/27/2014</i>",
-          "<strong>Status</strong> set to <i title=\"new\">new</i>",
-          "<strong>Priority</strong> set to <i title=\"Normal\">Normal</i>",
-          "<strong>Author</strong> set to <i title=\"Freida Fay\">Freida Fay</i>",
-          "<strong>% done</strong> changed from <i title=\"0\">0</i> to <i title=\"0\">0</i>",
-          "<strong>Start date</strong> set to <i title=\"10/23/2014\">10/23/2014</i>"
-        ],
-        "version": 1,
-        "createdAt": "2014-11-05T15:56:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/500",
-            "title": "500"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/500",
-            "method": "patch",
-            "title": "500"
-          }
-        },
-        "id": 500,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/500/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/500/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 2,
-        "createdAt": "2014-11-10T12:31:10Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/501",
-            "title": "501"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/501",
-            "method": "patch",
-            "title": "501"
-          }
-        },
-        "id": 501,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/501/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/501/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 3,
-        "createdAt": "2014-11-10T12:31:53Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/502",
-            "title": "502"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/502",
-            "method": "patch",
-            "title": "502"
-          }
-        },
-        "id": 502,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/502/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/502/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 4,
-        "createdAt": "2014-11-10T12:31:59Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/503",
-            "title": "503"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/503",
-            "method": "patch",
-            "title": "503"
-          }
-        },
-        "id": 503,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/503/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/503/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 5,
-        "createdAt": "2014-11-10T12:32:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/504",
-            "title": "504"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/504",
-            "method": "patch",
-            "title": "504"
-          }
-        },
-        "id": 504,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/504/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/504/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 6,
-        "createdAt": "2014-11-10T12:32:27Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/505",
-            "title": "505"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/505",
-            "method": "patch",
-            "title": "505"
-          }
-        },
-        "id": 505,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/505/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/505/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 7,
-        "createdAt": "2014-11-10T12:32:31Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/506",
-            "title": "506"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/506",
-            "method": "patch",
-            "title": "506"
-          }
-        },
-        "id": 506,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/506/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/506/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 8,
-        "createdAt": "2014-11-10T12:32:40Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/507",
-            "title": "507"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/507",
-            "method": "patch",
-            "title": "507"
-          }
-        },
-        "id": 507,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/507/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/507/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 9,
-        "createdAt": "2014-11-10T12:32:45Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/511",
-            "title": "511"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/511",
-            "method": "patch",
-            "title": "511"
-          }
-        },
-        "id": 511,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/511/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/511/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 10,
-        "createdAt": "2014-11-10T14:10:51Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/512",
-            "title": "512"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/512",
-            "method": "patch",
-            "title": "512"
-          }
-        },
-        "id": 512,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/512/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/512/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 11,
-        "createdAt": "2014-11-10T14:42:50Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/513",
-            "title": "513"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/513",
-            "method": "patch",
-            "title": "513"
-          }
-        },
-        "id": 513,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/513/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/513/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 12,
-        "createdAt": "2014-11-10T14:44:11Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/514",
-            "title": "514"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/514",
-            "method": "patch",
-            "title": "514"
-          }
-        },
-        "id": 514,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description set (/journals/514/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> set (<a href=\"/journals/514/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 13,
-        "createdAt": "2014-11-10T14:44:21Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/515",
-            "title": "515"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
-            "href": "/api/v3/activities/515",
-            "method": "patch",
-            "title": "515"
-          }
-        },
-        "id": 515,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description deleted (/journals/515/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> deleted (<a href=\"/journals/515/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 14,
-        "createdAt": "2014-11-10T14:47:36Z"
-      },
-      {
-        "_type": "Activity",
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-            "title": "516"
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-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
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-            "method": "patch",
-            "title": "516"
-          }
-        },
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-        "rawComment": "",
-        "details": [
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-        ],
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-      },
-      {
-        "_type": "Activity",
-        "_links": {
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-            "href": "/api/v3/activities/517",
-            "title": "517"
-          },
-          "workPackage": {
-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
-          },
-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
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-            "method": "patch",
-            "title": "517"
-          }
-        },
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-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/517/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/517/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 16,
-        "createdAt": "2014-11-10T14:53:17Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
-          "self": {
-            "href": "/api/v3/activities/518",
-            "title": "518"
-          },
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-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
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-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
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-            "method": "patch",
-            "title": "518"
-          }
-        },
-        "id": 518,
-        "comment": "",
-        "rawComment": "",
-        "details": [
-          "Description changed (/journals/518/diff/description)"
-        ],
-        "htmlDetails": [
-          "<strong>Description</strong> changed (<a href=\"/journals/518/diff/description\" class=\"description-details\">Details</a>)"
-        ],
-        "version": 17,
-        "createdAt": "2014-11-10T15:17:34Z"
-      },
-      {
-        "_type": "Activity",
-        "_links": {
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-            "href": "/api/v3/work_packages/825",
-            "title": "66666"
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-          "user": {
-            "href": "/api/v3/users/1",
-            "title": "OpenProject Admin - admin"
-          },
-          "update": {
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-            "method": "patch",
-            "title": "8253"
-          }
-        },
-        "id": 8253,
-        "comment": "",
-        "rawComment": "",
-        "details": [
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-        "htmlDetails": [
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+              "self": {
+                "href": "/api/v3/activities/817",
+                "title": "817"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/817",
+                "method": "patch",
+                "title": "817"
+              }
+            },
+            "id": 817,
+            "comment": {
+              "format": "textile",
+              "raw": "I have a comment",
+              "html": "<p>I have a comment</p>"
+            },
+            "details": [],
+            "version": 3,
+            "createdAt": "2015-04-07T13:37:09+00:00"
           },
-          "update": {
-            "href": "/api/v3/activities/580",
-            "method": "patch",
-            "title": "580"
-          }
-        },
-        "id": 580,
-        "comment": "",
-        "rawComment": "",
-        "details": [
           {
-            "format": "textile",
-            "raw": "Status changed from tested to rejected",
-            "html": "<strong>Status</strong> changed from <i title=\"tested\">tested</i> to <i title=\"rejected\">rejected</i>"
-          }
-        ],
-        "version": 60,
-        "createdAt": "2014-11-21T08:48:57Z"
+            "_type": "Activity::Comment",
+            "_links": {
+              "self": {
+                "href": "/api/v3/activities/818",
+                "title": "818"
+              },
+              "workPackage": {
+                "href": "/api/v3/work_packages/65",
+                "title": "veritatis voluptas hic qui praesentium tempora illum omnis"
+              },
+              "user": {
+                "href": "/api/v3/users/1",
+                "title": "OpenProject Admin - admin"
+              },
+              "update": {
+                "href": "/api/v3/activities/818",
+                "method": "patch",
+                "title": "818"
+              }
+            },
+            "id": 818,
+            "comment": {
+              "format": "textile",
+              "raw": "And another one",
+              "html": "<p>And another one</p>"
+            },
+            "details": [],
+            "version": 4,
+            "createdAt": "2015-04-07T13:37:33+00:00"
+          }
+        ]
       }
-    ],
+    },
     "version": {
       "_type": "Version",
       "_links": {
diff --git a/frontend/tests/integration/specs/work-packages/details-pane/activity-with-revisions-spec.js b/frontend/tests/integration/specs/work-packages/details-pane/activity-with-revisions-spec.js
index cb78446ab6..0bf5107579 100644
--- a/frontend/tests/integration/specs/work-packages/details-pane/activity-with-revisions-spec.js
+++ b/frontend/tests/integration/specs/work-packages/details-pane/activity-with-revisions-spec.js
@@ -27,8 +27,8 @@
 //++
 
 var expect = require('../../../spec_helper.js').expect,
-    detailsPaneHelper = require('./details-pane-helper.js'),
-    elements = detailsPaneHelper.elements;
+  detailsPaneHelper = require('./details-pane-helper.js'),
+  elements = detailsPaneHelper.elements;
 
 /*jshint expr: true*/
 
@@ -37,15 +37,14 @@ describe('OpenProject', function() {
     beforeEach(function() {
       detailsPaneHelper.loadPane(820, 'activity');
     });
-
     it('should render all activities and one revision', function() {
       var locator = by.css('.work-package-details-activities-activity');
-      elements.count(locator, 61);
+      elements.count(locator, 5);
     });
 
     it('should render one revision at the correct position', function() {
       expect(
-        $('.work-package-details-activities-activity:nth-of-type(61) .date').getText()
+        $('.work-package-details-activities-activity:nth-of-type(5) .date').getText()
       ).to.eventually.contain('committed revision 1cb82424');
     });
   });
diff --git a/frontend/tests/unit/tests/work_packages/controllers/work-package-details-controller-test.js b/frontend/tests/unit/tests/work_packages/controllers/work-package-details-controller-test.js
index e7154d4f55..b7a5a40ba4 100644
--- a/frontend/tests/unit/tests/work_packages/controllers/work-package-details-controller-test.js
+++ b/frontend/tests/unit/tests/work_packages/controllers/work-package-details-controller-test.js
@@ -57,7 +57,17 @@ describe('WorkPackageDetailsController', function() {
               id: 1
             }
           },
-          activities: [],
+          activities: {
+            links: {
+              self: { href: "/api/v3/work_packages/820/activities" }
+            },
+            _type: "Collection",
+            total: 0,
+            count: 0,
+            embedded: {
+              elements: []
+            }
+          },
           watchers: [],
           attachments: {
             links: {
@@ -125,7 +135,7 @@ describe('WorkPackageDetailsController', function() {
 
     buildController = function() {
       var testState = {
-        current: { url: '/overview', },
+        current: { url: '/overview' }
       };
       scope = $rootScope.$new();