v4.2.1

deepseek-ai/DeepSeek-OCR-2v4.2.1Aug 22, 2025by ravitemer

AI Summary

This maintenance release focuses on fixing workspace cache locking issues. It improves lock file handling to prevent deadlocks by increasing retry delays and adding automatic cleanup of stale locks.

Key Highlights

Improved lock file handling
Increased lock retry delay from 50ms to 100ms
Automatic stale lock file cleanup
Recursive retry mechanism with protection
Enhanced error messaging for lock failures

New Features

Automatic stale lock file cleanup
Recursive retry mechanism
Enhanced error messaging and logging

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