v4.2.1

lightpanda-io/browserv4.2.1Aug 22, 2025by ravitemer

AI Summary

This release significantly improves stability by fixing persistent deadlock issues in workspace caching and implementing robust retry mechanisms.

Key Highlights

  • Fixed persistent deadlocks in Workspace Cache Locking.
  • Increased lock retry delay from 50ms to 100ms for better stability.
  • Added automatic stale lock file cleanup after maximum retry attempts.
  • Implemented recursive retry mechanism with infinite loop protection.

Full Release Notes


### Fixed

- **Workspace Cache Locking**: Improved lock file handling to prevent persistent deadlocks
  - Increased lock retry delay from 50ms to 100ms for better stability
  - Added automatic stale lock file cleanup after maximum retry attempts
  - Implemented recursive retry mechanism with infinite loop protection
  - Enhanced error messaging and logging for lock acquisition failures
  - Resolves issue where crashed processes could leave persistent lock files blocking new hub instances