## 4.0.0 (2026-04-29)

* feat: add BackendEventBus and register backend event handling (#3416) ([75ca156033d428784e8bff868e1cead3ae18a8c5](https://github.com/wppconnect-team/wa-js/commit/75ca156033d428784e8bff868e1cead3ae18a8c5)), closes [#3416](https://github.com/wppconnect-team/wa-js/issues/3416)