Summary ⚠️ Lighthouse v8.2.1 is a high-priority release containing fixes for several security vulnerabilities, as well as fixes and optimisations. All mainnet beacon node users should upgrade as soon as practical to receive the security fixes in this release. This release also fixes several bugs relating to partial data columns, which are enabled by default on the Hoodi and Sepolia testnets.…
Summary ⚠️ Lighthouse v8.2.0 is a high-priority release containing fixes for several security vulnerabilities, as well as optimisations and new features. All beacon node users should upgrade as soon as practical . Validator client users should review the fee-recipient and graffiti changes below before upgrading. This release also contains substantial Gloas preparation, Fulu data-availability…
Summary ⚠️ Lighthouse v8.1.3 is a high-priority patch release with further security-critical fixes atop v8.1.2. This is a mandatory upgrade for all users running any prior version. All prior Lighthouse releases including v8.1.2 are affected by vulnerabilities. All Lighthouse beacon nodes should be upgraded as soon as possible. The vulnerabilities patched in this release are now publicly disclosed,…
Summary ⚠️ Lighthouse v8.1.2 is a high-priority patch release with further security-critical fixes atop v8.1.1. This is a mandatory upgrade for all users running any prior version. All prior Lighthouse releases including v8.1.1 are affected by vulnerabilities. All Lighthouse beacon nodes should be upgraded as soon as possible. There will be CVEs announced for these vulnerabilities in the coming…
Summary Lighthouse v8.1.1 is a patch release that includes an important security fix, along with several networking and validator client bug fixes, sync observability metrics, and dependency updates. This is a mandatory upgrade for all users running any prior versions. All prior Lighthouse releases are affected by a security vulnerability. Users should upgrade as soon as possible. Further details…
Summary Lighthouse v8.1.0 includes performance optimizations, validator client improvements, and bug fixes. This is a recommended upgrade for users experiencing performance issues, particularly those running large numbers of validators. Performance Improvements Batch attestation slashability checks ( #8516 ): Attestations are now checked for slashability in batches instead of sequentially. This…
Summary This is a hotfix release addressing several bugs and performance issues discovered in v8.0.0. Notable changes: From the Fulu fork, checkpoint blobs will no longer be downloaded from the checkpoint server and instead they will be fetched from p2p peers. The getBlobSidcars Beacon API is deprecated from Fulu and clients may drop support in future releases. ( #8413 , #8417 ) Prevent…
Summary This release includes the mainnet fork epoch for the upcoming Fulu-Osaka (Fusaka) fork and subsequent blob-parameter-only (BPO) forks . 🎉 Upgrading to v8.0.0 is mandatory for all mainnet users prior to the Fulu fork at epoch 411,392 (2025-12-03, 21:49 UTC). This version also includes configurations for the following BPO forks (no additional action required): BPO 1 : Epoch 412,672…
Summary Lighthouse v8.0.0-rc.2 is a release candidate for the upcoming Fulu-Osaka (Fusaka) hard fork, targeting the Holesky , Hoodi , and Sepolia testnets. Upgrading to v8.0.0-rc.2 or any earlier v8.0.0-rc.x version is mandatory prior to the Fulu forks on Hoodi: Fulu on Hoodi: 2025-10-28 18:53:12 UTC . Slot 1622016 . This release brings full Fusaka support (including PeerDAS), enhanced networking…
Summary Lighthouse v8.0.0-rc.1 is a release candidate for the upcoming Fulu-Osaka (Fusaka) hard fork, targeting the Holesky , Hoodi , and Sepolia testnets. Upgrading to v8.0.0-rc.1 or the previously released v8.0.0-rc.0 is mandatory prior to the Fulu forks on Sepolia and Hoodi: Fulu on Sepolia: 2025-10-14 07:36:00 UTC . Slot 8724480 . Fulu on Hoodi: 2025-10-28 18:53:12 UTC . Slot 1622016 . This…