v4.2.1

ravitemer/mcp-hubv4.2.1Aug 22, 2025by ravitemer

AI Summary

Fixed workspace cache locking issues by improving lock file handling to prevent persistent deadlocks from crashed processes. Increased lock retry delay and added automatic stale lock file cleanup.

Key Highlights

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

New Features

Workspace Cache Locking improvements

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