Upcoming Breaking Changes Plugin API PluginTransactionSelectorFactory.create(final SelectorsStateManager selectorsStateManager) is deprecated for removal PoaQueryService and BftQueryService are d...

🚨 Besu 26.7.1 fixes security vulnerabilities — upgrade ASAP. Thanks to EF Security & CertiK for responsible disclosure. Breaking Changes If you are a heavy user of eth_newFilter/eth_newBlockFilte...

26.7.0 Breaking Changes Sunsetting features is now complete - for more context on the reasoning behind these removals, read this blog post Proof of Work consensus (PoW) removal is now complete: ...

25.12.0 Breaking Changes Remove these deprecated CLI options #9385 Remove--Xbonsai-parallel-tx-processing-enabled deprecated since 25.7.0. Use --bonsai-parallel-tx-processing-enabled instead. Rem...

YouTube video by EthStaker

Blog post from the Besu maintainers covering the significant 2025 performance improvements and the roadmap for scaling Ethereum even further in 2026.

25.11.0 - Fusaka Mainnet Release ImportantThis is the Fusaka Mainnet-ready release. This is a mandatory update for Mainnet users. Adds Osaka, BPO1, and BPO2 fork times for Mainnet Increases the Ma...

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu - hyperledger/besu

ImportantThis is the Pectra Mainnet-ready release. This is a mandatory update, you must update your Mainnet node before the activation of Pectra scheduled for epoch 364032 on 07 May 2025 at 10:05:...

A guide to getting ready for the Besu certification exam plus a discount code

The Besu team is thinking about Ethereum's next upgrade in 4 different ways:

This is a strongly recommended update for all users, including Mainnet. It contains bug fixes, dependency and security updates. Highlights include: Add Hoodi as new named testnet using --network=h...

25.2.1 This is a hotfix release for Pectra testnets (Holesky and Sepolia). You need to update IF (and ONLY IF) you are running Besu on Holesky or Sepolia Identical to 25.2.0 with one change: Pectr...

YouTube video by ETHDenver

YouTube video by ETHDenver

25.2.1 This is a hotfix release for Pectra testnets (Holesky and Sepolia). You need to update IF (and ONLY IF) you are running Besu on Holesky or Sepolia Identical to 25.2.0 with one change: Pectr...

This is an optional update for Mainnet users. This is a required update for Holesky and Sepolia users for the upcoming Pectra hardfork. Pectra scheduled for: Holesky: Mon, Feb 24 at 21:55:12 UTC S...