v4.2.1

agno-agi/agent-uiv4.2.1Aug 22, 2025by ravitemer

AI Summary

A bug fix release focused on improving workspace cache locking mechanisms to prevent persistent deadlocks and enhance system stability.

Key Highlights

  • 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

New Features

  • Recursive retry mechanism with infinite loop protection
  • Automatic stale lock file cleanup
  • Enhanced error messaging and logging for lock acquisition failures

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