Besu, an LF Decentralized Trust project

Besu is an open source Ethereum client developed under the Apache 2.0 license and written in Java. Hosted by @lfdecentralized. All are welcome.

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 26.6.1 is now available

This is an optional update.

Highlights:
Fix WebSocket RPC event-loop stall

Fix QBFT/IBFT2 block creation for contracts that use block.prevrandao

Add eth_getTransactionBySenderAndNonce JSON-RPC method.

Full release notes: https://t.co/213hTiXu6u

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 26.6.0 is now available

This is a recommended update for all users.

Breaking changes:
- Java 25+ is now required to run this release.
- RPC changes to enhance compatibility with other ELs (see notes for more details)

https://t.co/fixrPKtdvh

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 26.5.0 is out now!

• EIP-7981 added to Amsterdam
• EIP-7928 BAL item budget enforced (per-tx)
• log4j CVEs (34480, 34478) patched
• Bonsai Archive users: full resync required

https://t.co/Ad6QNprFY6

[Besu, an LF Decentralized Trust project @Besu_eth]

🚀 Besu 26.4.0 is out

• eth/70 (EIP-7975), eth/71 + snap/2 block access list exchange (EIP-8159/8189)
• IPv6 DiscV5 & RLPx
• New txpool_* RPCs
• EVM + P2P perf wins
• ⚠️ Clique & Holesky removed

Repo moved → https://t.co/5u4IwIC1zp
https://t.co/kF3eNGCSWN.

[Stateless Consensus @StatelessEth]

Next up: Stateless EIP mini-ACD with Luis Pinto from @HyperledgerBesu, @fede_intern from ethrex, @M25Marek from @Nethermind, Mark Holt from @ErigonEth, and @gballet from @go_ethereum.

Make sure to tune in!
🗓️ Agenda and more info 👇

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 26.2.0 is out

This is a recommended update for all users.

Highlights
- Improved performance of snap sync chain download
- EVM optimisations - Improves 70% of EEST benchmarks
- EVM optimisations - Improve SAR, SHR and SHL opcodes performance

https://t.co/dJJva9OYor

[Besu, an LF Decentralized Trust project @Besu_eth]

Huge thanks to @Absa especially @mirgeee for their incredible dedication to Block Access List optimization for the Glamsterdam hardfork. This unlocks 100% parallelization, transforming #Ethereum #Glamsterdam performance. 🚀
Truly grateful for such exceptional contributions!

[Besu, an LF Decentralized Trust project @Besu_eth]

Finally, don't forget to check out the breaking and upcoming changes:
- eth_getLogs and trace_filter were broken to achieve compatibility with other clients.
- Plugin API changes

https://t.co/iFwm4o4dnk

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 26.1.0 is out!

It's a recommended update packed with performance improvements, stability and quality of life fixes.

https://t.co/iFwm4o4dnk

Here's the headlines... 🧵

[Besu, an LF Decentralized Trust project @Besu_eth]

Unlocking gas limit scaling by optimising for the EVM worst cases:
- ADD: 86% faster, using new UInt256 implementation

- EIP-196 EcAdd 33-128% faster, EcMul 8% faster

- Replace BytesTrieSet with HashSet improves CREATE, CREATE2, SELFDESTRUCT and jumpdest analysis by up to 48%

[Besu, an LF Decentralized Trust project @Besu_eth]

BAL devnet 1 is live and going strong https://t.co/gtmgnLCfEV

[Besu, an LF Decentralized Trust project @Besu_eth]

Full Release Notes https://t.co/XQpCs7CTVH

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu 25.12.0 - Release is now available
This is a recommended update for all users.
Highlights:
Performance: 5-6x faster toFastHex calculation for engine_getBlobsV2
Performance: Optimise engine_getPayload* methods and engine_getBlobsV2

[Besu, an LF Decentralized Trust project @Besu_eth]

Bug fixes
Fix an issue where Besu does not support 0x80 as transaction type when decoding eth/69 receipts
Fix non-deterministic sub-protocol registration during IBFT2 to QBFT consensus migration
Fix loss of colored output in terminal when using --color-enabled=true option

[Besu, an LF Decentralized Trust project @Besu_eth]

The @ethereum Fusaka upgrade is live on mainnet and running smoothly across the network. Kudos to ACD and client teams for another deliberately boring rollout. And 60M gas already!

[Besu, an LF Decentralized Trust project @Besu_eth]

Besu Fleet: Reactive RPC Scaling: architecture, benchmarks, lessons - and it’s now open source! Try it out. Talk here: https://t.co/61gMvJVSLI #HyperledgerBesu #Ethereum #EthStaker #EFDevcon