This release contains the activation blocks for Berlin across all supported testnets and the Ethereum mainnet. They are:
* Ropsten 9_812_189 (10 Mar 2021)
* Goerli 4_460_644 (17 Mar 2021)
* Rinkeby 8_290_928 (24 Mar 2021)
* Ethereum 12_244_000 (14 Apr 2021)
**Important note: the 21.1.0 release contains an outdated version of the Berlin network upgrade. If you are using Besu on public Ethereum networks, you must upgrade to 21.1.1.**
### Additions and Improvements
* Removed EIP-2315 from the Berlin network upgrade [\#1983](https://github.com/hyperledger/besu/pull/1983)
* Added `besu_transaction_pool_transactions` to the reported metrics, counting the mempool size [\#1869](https://github.com/hyperledger/besu/pull/1869)
* Distributions and maven artifacts have been moved off of bintray [\#1886](https://github.com/hyperledger/besu/pull/1886)
* admin_peers json RPC response now includes the remote nodes enode URL
@ -20,6 +31,8 @@
## 21.1.0
**Important note: this release contains an outdated version of the Berlin network upgrade, which was changed on March 5, 2021 ([link](https://github.com/ethereum/pm/issues/263#issuecomment-791473406)). If you are using Besu on public Ethereum networks, you must upgrade to 21.1.1.**
Link removed because this release contains an outdated version of the Berlin network upgrade, which was changed on March 5, 2021 ([link](https://github.com/ethereum/pm/issues/263#issuecomment-791473406)). If you are using Besu on public Ethereum networks, you must upgrade to 21.1.1. sha256 hash left for reference.