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Releases: flashbots/mev-boost-relay

v0.32.0

12 Nov 15:14
@metachris metachris
v0.32.0
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v0.32.0 Latest
Latest

⚠️ This is the first Fusaka-compatible version of MEV-Boost-Relay! ⚠️

Note

The Fusaka upgrade will happen at slot 13,164,544 (December 3, 2025, 21:49:11 UTC). Read more about the upgrade here: https://blog.ethereum.org/2025/11/06/fusaka-mainnet-announcement

What's Changed

Version bumps

New Contributors

Full Changelog: v0.30.0...v0.32.0

Docker Image: flashbots/mev-boost-relay:0.32.0

$ docker run flashbots/mev-boost-relay:0.32.0
mev-boost-relay v0.32.0
https://github.com/flashbots/mev-boost-relay

Usage:
  mev-boost-relay [flags]
  mev-boost-relay [command]

Available Commands:
  api         Start the API server
  completion  Generate the autocompletion script for the specified shell
  help        Help about any command
  housekeeper Service that runs in the background and does various housekeeping (removing old bids, updating proposer duties, saving metrics, etc.)
  tool        tools for managing the database
  version     Print the version number the relay application
  website     Start the website server

Flags:
  -h, --help   help for mev-boost-relay

Use "mev-boost-relay [command] --help" for more information about a command.

Contributors

metachris, bharath-123, and ilyaluk
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v0.32.0-rc2

30 Sep 14:44
@github-actions github-actions
v0.32.0-rc2
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v0.32.0-rc2 Pre-release
Pre-release

First relay release with Fusaka support

What's Changed

New Contributors

Full Changelog: v0.31.0...v0.32.0-rc2

Docker Image: flashbots/mev-boost-relay:0.32.0rc2

Contributors

metachris and bharath-123
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v0.31.0

13 May 17:54
@github-actions github-actions
v0.31.0
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v0.31.0 Pre-release
Pre-release

This release significantly improves latency for registerValidator and getHeader requests by introducing a better registration cache, and avoiding most of the CPU-intensive serialization overhead. For more details, see also #729

image

image

This release also allows pprof to run on separate server + port, allowing for longer timeouts. For this, we changed the PPROF environment variable to `PPROF_ADDR, which you may need to update if you've used pprof before:

  • Before: --pprof / PPROF
  • New: --pprof-listen-addr / PPROF_ADDR

What's changed since v0.30.0

  • Enabled pprof to run on separate server + port, to allow for longer timeouts. For this, we changed the PPROF environment variable to `PPROF_ADDR. PR @ilyaluk in #727
  • Improved registerValidator latency by fixing registration cache by @metachris and @ilyaluk #729
  • Try fixing registerValidator cache misses by @metachris in #720
  • Add a local registerValidator cache to avoid going to redis by @metachris in #721
  • Log JSON-RPC error data from validation node by @ilyaluk in #723
  • Remove unnecessary fields from GetStateValidatorsResponse by @ilyaluk in #728
  • Switch to goccy/go-json by @ilyaluk in #730

Full Changelog: v0.30.0...v0.31.0

Docker Image: flashbots/mev-boost-relay:0.31.0

Contributors

metachris and ilyaluk
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v0.30.2

12 May 09:40
@metachris metachris
v0.30.2
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v0.30.2 Pre-release
Pre-release

What's Changed

This release includes the following minor updates:

  1. Changed PPROF environment variable to PPROF_ADDR, allowing pprof to be exposed on a separate server, which allows for longer request timeouts to collect longer profiles. PR: Improve pprof in api service by @ilyaluk in #727
  2. Add a local registerValidator cache to avoid going to redis by @metachris in #721
  3. Log JSON-RPC error data from validation node by @ilyaluk in #723

Full Changelog: v0.30.1...v0.30.2

Contributors

metachris and ilyaluk
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v0.30.1

06 May 22:01
@metachris metachris
v0.30.1
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v0.30.1 Pre-release
Pre-release

v0.30.1 is a recommended, but not critical upgrade to the Pectra-ready v0.30.0 release.

This patch fixes caching registerValidator requests for SSZ-encoded payloads (re-validating BLS signatures is heavy on CPU and should be avoided).

Changes

  • Fixing registerValidator cache misses in #720

Impact

  • Cached registrations reduce the number of BLS signature validations
  • Increased Redis cache-hit rate
  • Increased Redis storage: "Bytes Used For Cache" doubles (because now storing the full registration in cache, instead of only the timestamp).
  • Improved registerValidator logging

Background

The timestamp in validator registrations are updated frequently, which made the API revalidate every incoming validator registration. The implemented solution stores the full registration in Redis (instead of only the timestamp), and discards any registrations that wouldn't change any fields anyway.

Full Changelog

v0.30.0...v0.30.1

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v0.30.0

30 Apr 18:16
@metachris metachris
v0.30.0
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v0.30.0

⚠️ This is the first Pectra-compatible version of MEV-Boost-Relay! ⚠️

Note

The Pectra upgrade will happen at epoch 364032 (May 7, 2025, 10:05:11am UTC).

Noteworthy Changes

This update includes a database migration: https://github.com/flashbots/mev-boost-relay/blob/main/database/migrations/011_bid_add_simulated_block_value.go

Various Updates

Version Updates

  • Upgrade to go 1.24 and fix lint errors by @jtraglia in #681
  • Bump github.com/attestantio/go-eth2-client from 0.19.9 to 0.21.1 by @dependabot in #595
  • Bump github.com/alicebob/miniredis/v2 from 2.31.0 to 2.32.1 by @dependabot in #590
  • Bump github.com/btcsuite/btcd from 0.23.0 to 0.24.0 by @dependabot in #617
  • Bump golang.org/x/crypto from 0.20.0 to 0.31.0 by @dependabot in #663
  • Bump github.com/btcsuite/btcd from 0.24.0 to 0.24.2 by @dependabot in #664
  • Bump github.com/attestantio/go-builder-client from 0.6.1-0.20250218155713-9f16ff484247 to 0.6.1 by @dependabot in #683
  • Update all dependencies by @jtraglia in #682
  • Update key dependencies by @metachris in #709

New Contributors

Full Changelog: v0.29.1...v0.30.0

Docker Image: flashbots/mev-boost-relay:0.30.0

Contributors

ryanschneider, metachris, and 8 other contributors
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v0.30.0-rc1

20 Feb 18:38
@github-actions github-actions
v0.30.0-rc1
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metachris Chris Hager
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v0.30.0-rc1 Pre-release
Pre-release

Upgrade notes

This is the current Pectra release candidate.

It is not recommended to run this in production until it has been fully tested.

What's Changed

Database migrations

This release includes one database migration:

Migrations will automatically be applied when starting a new instance.

New Contributors

Special Mentions

Big shoutout to @jtraglia and @ryanschneider for all the hard work around Pectra!

Full Changelog: v0.29.1...v0.30.0-rc1

Contributors

ryanschneider, metachris, and 7 other contributors
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v0.29.1

15 Feb 17:46
@github-actions github-actions
v0.29.1
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v0.29.1

Upgrade Notes

Recommended upgrade from v0.29 as this fixes a misconfiguration in the publish block flag in which the flag publishes the wrong way around.
In the v0.29 release the USE_V2_PUBLISH_BLOCK_ENDPOINT flag was removed in favor of the USE_V1_PUBLISH_BLOCK_ENDPOINT flag which enabled the v1 publish block endpoint. However that was not configured correctly in the last release which resulted in the v2 publish block endpoint being enabled if the USE_V1_PUBLISH_BLOCK_ENDPOINT flag was set and vice versa.

Also adds a blob column to the relay website to show the number of blobs contained in the block

What's Changed

Special Mentions

Thank you and shout out to @alextes for reporting #581 for the flag misconfiguration and raising a fix.

Full Changelog: v0.29...v0.29.1

Docker Image: flashbots/mev-boost-relay:0.29.1

Contributors

alextes and avalonche
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v0.29

30 Jan 19:29
@avalonche avalonche
v0.29
72fab1a
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v0.29

Upgrade Notes

  • This release adds support for the upcoming Deneb fork and is fully backwards compatible with Capella
  • Ensure the beacon node is upgraded and restart the relay before the fork so the relay gets the latest fork schedule. The relay will not error if the Deneb fork schedule is not found.

What's Changed

  • Deneb Support by @avalonche in #564
  • Various type clean ups and completely migrated to attestant types.

Uses the v2 publish block endpoint on the CL by default

  • the USE_V2_PUBLISH_BLOCK_ENDPOINT flag is removed.
  • to switch to the v1 endpoint set the USE_V1_PUBLISH_BLOCK_ENDPOINT environment variable.

Dependency Updates

  • Bump github.com/gorilla/mux from 1.8.0 to 1.8.1 by @dependabot in #550
  • Bump github.com/spf13/cobra from 1.6.1 to 1.8.0 by @dependabot in #551
  • Bump golang.org/x/text from 0.13.0 to 0.14.0 by @dependabot in #552
  • Bump golang.org/x/crypto from 0.14.0 to 0.17.0 by @dependabot in #561
  • Bump github.com/attestantio/go-eth2-client from 0.16.4 to 0.19.9 by @dependabot in #565
  • Bump github.com/attestantio/go-builder-client from 0.3.0 to 0.4.2 by @dependabot in #559

Full Changelog: v0.28...v0.29

Docker Image: flashbots/mev-boost-relay:0.29

Contributors

dependabot and avalonche
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v0.28

12 Dec 18:03
@avalonche avalonche
v0.28
9857611
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v0.28

Upgrade Notes

  • This release adds holesky support with the flag --network holesky

What's Changed

Adds a new LINK_DATA_API env var on the relay website for custom network customization. Also some caching optimizations for building the docker image.

Dependency Updates

  • Bump github.com/flashbots/go-utils from 0.4.12 to 0.5.0 by @dependabot in #533
  • Bump github.com/ethereum/go-ethereum from 1.12.2 to 1.13.1 by @dependabot in #531
  • Bump github.com/ethereum/go-ethereum from 1.13.1 to 1.13.4 by @dependabot in #542
  • Bump golang.org/x/net from 0.10.0 to 0.17.0 by @dependabot in #540
  • Bump github.com/alicebob/miniredis/v2 from 2.30.5 to 2.31.0 by @dependabot in #539

New Contributors

Full Changelog: v0.27...v0.28

Docker Image: flashbots/mev-boost-relay:0.28

Contributors

paulopontesm, sukoneck, and 2 other contributors
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