MEV-Boost
Flashbots · Go · MIT
Builder API sidecar that lets validators outsource block building to relays.
mevEthereum MainnetHoodiSepoliaHolesky
Releases
30 releases
MEV-Boostv1.12
Feb 23, 2026
MEV-Boostv1.12-alpha1
Feb 12, 2026
MEV-Boostv1.11
Why this rating
- performance wording: "This release introduces YAML based configuration with a new Timing Games feature for optimizing bid selection."
Feb 3, 2026
MEV-Boostv1.11-alpha1
Why this rating
- performance wording: "- Add timing feature for bid optimization (#839) - allows configuring timing games for getHeader calls to optimize bid selection"
Jan 15, 2026
MEV-Boostv1.10.1
Why this rating
- high (all networks): v1.10.1 ⚠️ This is a required update for the upcoming Fusaka upgrade! ⚠️
Nov 13, 2025
MEV-Boostv1.10.0
Why this rating
- high (all networks): ⚠️ This is a required update for the upcoming Fusaka upgrade! ⚠️
Nov 1, 2025
MEV-Boostv1.10-alpha7
Why this rating
- fork readiness: "This alpha release adds support for the upcoming Fusaka upgrade on the Holesky, Sepolia, and Hoodi testnets."
Oct 28, 2025
MEV-Boostv1.10-alpha6
Why this rating
- fork readiness: "This alpha release adds support for the upcoming Fusaka upgrade on the Holesky, Sepolia, and Hoodi testnets."
Oct 10, 2025
MEV-Boostv1.10-alpha5
Why this rating
- fork readiness: "This alpha release adds support for the upcoming Fusaka upgrade on the Holesky, Sepolia, and Hoodi testnets."
Sep 29, 2025
MEV-Boostv1.10-alpha3
Sep 4, 2025
MEV-Boostv1.9
Why this rating
- high (all networks): v1.9 ⚠️ This is a required update for the upcoming Pectra upgrade! ⚠️
- deprecation wording: "* Remove support for relay monitors."
Apr 22, 2025
MEV-Boostv1.9-rc3
Why this rating
- deprecation wording: "* Remove support for relay monitors #739"
Mar 25, 2025
MEV-Boostv1.9-rc2
Why this rating
- fork readiness: "* Add support for the upcoming Electra upgrade."
Feb 4, 2025
MEV-Boostv1.8
Aug 29, 2024
MEV-Boostv1.8-rc4
Aug 16, 2024
MEV-Boostv1.7
Why this rating
- high (mainnet): Required upgrade for upcoming mainnet dencun fork on March 13 13:55:35 UTC.
Feb 27, 2024
MEV-Boostv1.6
Jun 26, 2023
MEV-Boostv1.5.1-alpha1
Mar 17, 2023
MEV-Boostv1.5.0
Mar 14, 2023
MEV-Boostv1.5.0-alpha2
Mar 13, 2023
MEV-Boostv1.5.0-alpha1
Mar 10, 2023
MEV-Boostv1.4.0
Why this rating
- deprecation wording: "- Cleanup deprecated testnets from docs by @avalonche in"
Nov 9, 2022
MEV-Boostv1.3.2
Sep 22, 2022
MEV-Boostv1.3.1
Sep 16, 2022
MEV-Boostv1.2.1
Sep 14, 2022
MEV-Boostv1.2.0
Sep 13, 2022
MEV-Boostv1.0.0
Sep 12, 2022
MEV-Boostv0.8.2
Aug 31, 2022
MEV-Boostv0.7.10
Aug 15, 2022
MEV-Boostv0.7.8
Aug 3, 2022