- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.
- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.
- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.
- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.