## [Unreleased]
+## [3.1.20] - 2024-02-11
+
+### Fixed
+
+- Ensure `worker_threads` workers are unreferenced at termination.
+
+## [3.1.19] - 2024-01-16
+
### Fixed
- Fix possible null exception at task finishing handling.
+### Changed
+
+- Optimize Deque implementation to improve tasks queueing performance.
+
## [3.1.18] - 2024-01-06
### Fixed