Bitcoin Core developers have disclosed a critical bug in versions 30.0 and 30.1 that affects migration from legacy wallets to descriptor (modern) wallets. Users are advised to pause migrations and follow official guidance until a fix is released.
Prysm reported validators lost 382 ETH (more than $1 million) after a software bug caused disruptions soon after the Fusaka upgrade. The issue led to missed attestations and penalties for affected validators.