Mr. Frundles

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…