+- `AbstractWorker` class `maxInactiveTime`, `killBehavior` and `async` attributes have been removed in favour of the same ones in the worker options `opts` public attribute.
+- `AbstractWorker` class `lastTask` attribute have been renamed to `lastTaskTimestamp`.
+- `AbstractWorker` class `interval` attribute have been renamed to `aliveInterval`.
+- `AbstractWorker` class cannot be instantiated without specifying the `mainWorker` argument referencing the main worker.
+
+## [2.0.2] - 2021-12-05
+
+### Bug fixes
+
+- Fix `busy` event emission on fixed pool type
+
+## [2.0.1] - 2021-16-03
+
+### Bug fixes
+
+- Check if pool options are properly set.
+- `busy` event is emitted on all pool types.
+
+## [2.0.0] - 2021-01-03
+
+### Bug fixes
+
+- Now a thread/process by default is not deleted when the task submitted take more time than maxInactiveTime configured (issue #70).
+
+### Breaking Changes
+
+- `FullPool` event is now renamed to `busy`.
+- `maxInactiveTime` on `ThreadWorker` default behavior is now changed, if you want to keep the old behavior set `killBehavior` to `KillBehaviors.HARD`.
+ _Find more details on our JSDoc._
+
+- `maxTasks` option on `FixedThreadPool` and `DynamicThreadPool` is now removed since is no more needed.
+
+- We changed some internal structures, but you shouldn't be too affected by them as these are internal changes.
+
+### Pool options types declaration merge
+
+`FixedThreadPoolOptions` and `DynamicThreadPoolOptions` type declarations have been merged to `PoolOptions<Worker>`.