25.11.0 - Fusaka Mainnet Release
Important
This 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 Mainnet gas limit to 60M.
All Mainnet nodes must be updated before the activation of the Fusaka fork:
| Network | Fork Name | Time (UTC) | Epoch | Start Slot | Unix Timestamp |
|---|---|---|---|---|---|
| Mainnet | Fusaka | 2025-12-03 21:49:11 | 411392 | 13,164,544 | 1764798551 |
| Mainnet | BPO 1 | 2025-12-09 14:21:11 | 412672 | 13,205,504 | 1765290071 |
| Mainnet | BPO 2 | 2026-01-07 01:01:11 | 419072 | 13,410,304 | 1767747671 |
Upcoming Breaking Changes
- Deprecated CLI options
--Xbonsai-parallel-tx-processing-enabledis deprecated since 25.7.0. Use--bonsai-parallel-tx-processing-enabledinstead.--Xsnapsync-server-enabledis deprecated since 25.7.0. Use--snapsync-server-enabledinstead.--Xsnapsync-synchronizer-pre-merge-headers-only-enabledis deprecated since 25.7.0. Use--snapsync-synchronizer-pre-checkpoint-headers-only-enabledinstead.--Xhistory-expiry-pruneis deprecated since 25.7.0. Use--history-expiry-pruneinstead.
- Sunsetting features - for more context on the reasoning behind the deprecation of these features, including alternative options, read this blog post
- Proof of Work consensus (PoW)
- Fast Sync
Additions and Improvements
- Add Osaka, BPO1 and BPO2 fork times for mainnet #9380
- Increase mainnet gas limit to 60M #9339
- Add blockTimestamp to receipt logs for
eth_getBlockReceiptsandeth_getTransactionReceiptresults #9294 - Upgrade to execution-spec-tests v5.3.0 #9301
- Update to netty 4.2.7.Final #9330
- Ability to enable/disable stack, storage and returnData tracing data in debug_traceStandardBlockToFile and debug_traceStandardBadBlockToFile endpoints #9183
- Update to tuweni 2.7.2 #9338
- Support blob fee market when zeroBaseFee enabled for forks with blobs #9344
New Contributors
Full Changelog: 25.10.0...25.11.0
a91b07434e7c4a57bb336888f5262b6e92518bf5fd8323624f74b0b5637c28d5 besu-25.11.0.zip
d38533bb4c02dd1363ddf48552ba2acaabf9ec7dafde208393b43adbfeb70946 besu-25.11.0.tar.gz