v4.0.3

Welcome to another Prysm release!

This release as a number of important fixes and is a recommended upgrade for all users. Most notably, this release contains fixes for bugs in the external block builder code path and keymanager.

Added

• Add REST API endpoint for beacon chain client's GetChainHead #12245
• Add prepare-all-payloads flag #12260
• support modifying genesis.json for capella #12283
• Add support for engine_exchangeCapabilities #12224
• prysmctl: Add support for writing signed validator exits to disk #12262

Changed

• Enable misspell linter & fix findings #12272

Fixed

• Fix Panic In Builder Service #12277
• prysmctl using the same genesis func as e2e #12268
• Check that Builder Is Configured #12279
• Correctly use Gwei to compare builder bid value #12290
• Fix Broken Dependency #12293 #12294
• Deflake TestWaitForActivation_AccountsChanged #12282
• Fix Attester Slashing Validation In Gossip #12295
• Keymanager fixes for bad file writes #12284
• windows: Fix build after PR 12293 #12296