Release Notes

## What's Changed * feat: add on wire proto check for signature count (backport #3113) by @mergify[bot] in https://github.com/celestiaorg/celestia-core/pull/3119 * fix: removeTimedoutPeers deadlock in blocksync (backport #3129) by @mergify[bot] in https://github.com/celestiaorg/c

## What's Changed * feat(consensus): precommit metrics (backport #3081) by @mergify[bot] in https://github.com/celestiaorg/celestia-core/pull/3094 * fix: check block part size (backport #3071) by @mergify[bot] in https://github.com/celestiaorg/celestia-core/pull/3096 * refactor(b

## What's Changed * chore: backport comet refactor (v0.40.x) by @evan-forbes in https://github.com/celestiaorg/celestia-core/pull/3078 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.40.4...v0.40.5

## What's Changed * fix(consensus): bump ensureVoteTimeout in TestStateOversizedBlock to 5s (backport #3047) by @rootulp in https://github.com/celestiaorg/celestia-core/pull/3049 * fix(blocksync): prevent maxPeerHeight poisoning (backport #3038) by @mergify[bot] in https://github

## What's Changed * feat: add logger to block store by @ninabarbakadze in https://github.com/celestiaorg/celestia-core/pull/3076 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.40.3...v0.40.4

## What's Changed * feat(store): log progress while pruning a large block backlog (#3073) (backport) by @ninabarbakadze in https://github.com/celestiaorg/celestia-core/pull/3075 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.40.2...v0.40.3

## What's Changed * feat: log failed txs by @mcrakhman in https://github.com/celestiaorg/celestia-core/pull/2965 * feat: failed tx code to prometheus by @mcrakhman in https://github.com/celestiaorg/celestia-core/pull/2966 * refactor: only unmarshal a single page from the tx index

## What's Changed * fix: bump Go to 1.26.2 and deps to resolve govulncheck failures by @rootulp in https://github.com/celestiaorg/celestia-core/pull/2943 * fix: add default case to handleHaves select to prevent reactor halt (backport #2813) by @mergify[bot] in https://github.com/

## What's Changed * feat: add latency metrics by @mcrakhman in https://github.com/celestiaorg/celestia-core/pull/2913 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.26...v0.39.27

## What's Changed * build(deps): Bump github.com/aws/aws-sdk-go-v2/config from 1.32.12 to 1.32.13 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2898 * fix(mempool): cap SeenTxSet size to prevent OOM from SeenTx flooding by @rach-id in https://github.com

## What's Changed * chore: bump cometbt db to v1.0.4 by @ninabarbakadze in https://github.com/celestiaorg/celestia-core/pull/2900 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/0.39.25...v0.39.26

## What's Changed * chore: update CODEOWNERS to use protocol team by @rootulp in https://github.com/celestiaorg/celestia-core/pull/2879 * fix: enforce maxRequestsPerPeer on direct SeenTx path in CAT mempool by @rootulp in https://github.com/celestiaorg/celestia-core/pull/2880 * f

This is a major release of celestia-core with several breaking changes, important security fixes, and performance improvements. It requires Go 1.26.1+. Breaking Changes - PebbleDB is now the only supported database backend (https://github.com/celestiaorg/celestia-core/pull/2867).

## What's Changed * chore: gitignore claude local settings by @rootulp in https://github.com/celestiaorg/celestia-core/pull/2787 * build(deps): Bump go.opentelemetry.io/otel from 1.39.0 to 1.40.0 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2786 * buil

## What's Changed * build(deps): Bump docker/login-action from 3.6.0 to 3.7.0 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2775 * chore: bump Go toolchain to 1.25 by @Olexandr88 in https://github.com/celestiaorg/celestia-core/pull/2774 * build(deps): B

## What's Changed * build(deps): Bump gonum.org/v1/gonum from 0.16.0 to 0.17.0 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2762 * build(deps): Bump styfle/cancel-workflow-action from 0.12.1 to 0.13.0 by @dependabot[bot] in https://github.com/celestiao

## What's Changed * build(deps): Bump github.com/aws/aws-sdk-go-v2/credentials from 1.19.2 to 1.19.7 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2757 * build(deps): Bump github.com/BurntSushi/toml from 1.4.0 to 1.6.0 by @dependabot[bot] in https://git

## What's Changed * test: fix flake in `TestReactorInvalidMessages` by @rootulp in https://github.com/celestiaorg/celestia-core/pull/2731 * build(deps): Bump docker/setup-buildx-action from 3.11.1 to 3.12.0 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/

## What's Changed * chore: silence a few errors by @evan-forbes in https://github.com/celestiaorg/celestia-core/pull/2735 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.19...v0.39.20

## What's Changed * fix: catchup by @evan-forbes in https://github.com/celestiaorg/celestia-core/pull/2730 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.18...v0.39.19

## What's Changed * refactor: validator set error handling by @ninabarbakadze in https://github.com/celestiaorg/celestia-core/pull/2713 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.17...v0.39.18

## What's Changed * build(deps): Bump github.com/go-git/go-git/v5 from 5.16.3 to 5.16.4 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2666 * build(deps): Bump github.com/aws/aws-sdk-go-v2/credentials from 1.18.24 to 1.19.1 by @dependabot[bot] in https:/

## What's Changed * build(deps): Bump github.com/prometheus/common from 0.67.1 to 0.67.2 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2630 * build(deps): Bump github.com/aws/aws-sdk-go-v2/config from 1.31.17 to 1.31.20 by @dependabot[bot] in https://gi

## What's Changed * chore: revert stopping the p2p connection on received invalid have part by @rach-id in https://github.com/celestiaorg/celestia-core/pull/2640 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.14...v0.39.15

## What's Changed * build(deps): Bump github.com/aws/aws-sdk-go-v2/config from 1.31.13 to 1.31.15 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2605 * build(deps): Bump github.com/opencontainers/runc from 1.1.14 to 1.2.8 by @dependabot[bot] in https://g

## What's Changed * V0.38.x celestia fixed Issue #2571 (adding invalid-tx-format) line to expected output by @ayush99336 in https://github.com/celestiaorg/celestia-core/pull/2577 * feat: backport the abci command by @evan-forbes in https://github.com/celestiaorg/celestia-core/pul

## What's Changed * feat: error if the propagation reactor failed to propose the block by @rach-id in https://github.com/celestiaorg/celestia-core/pull/2611 * docs: update openapi spec by @ninabarbakadze in https://github.com/celestiaorg/celestia-core/pull/2618 * chore: more trac

## What's Changed * fix: improve sticky peers and re-trigger pending queue by @evan-forbes in https://github.com/celestiaorg/celestia-core/pull/2610 **Full Changelog**: https://github.com/celestiaorg/celestia-core/compare/v0.39.11...v0.39.12

## What's Changed * build(deps): Bump github.com/aws/aws-sdk-go-v2/config from 1.31.12 to 1.31.13 by @dependabot[bot] in https://github.com/celestiaorg/celestia-core/pull/2581 * build(deps): Bump github.com/aws/aws-sdk-go-v2/service/s3 from 1.88.4 to 1.88.5 by @dependabot[bot] in

## What's Changed * V0.38.x celestia fixed Issue #2571 (adding invalid-tx-format) line to expected output by @ayush99336 in https://github.com/celestiaorg/celestia-core/pull/2577 * feat: backport the abci command by @evan-forbes in https://github.com/celestiaorg/celestia-core/pul