# cmux 0.4.0 · Changelog

[ Changelog](https://cmux.com/docs/changelog)


January 28, 2025

Added

-   cmux CLI with socket control modes
-   NSPopover-based notifications

Fixed

-   Notarization and codesigning for embedded CLI
-   Release workflow reliability

Changed

-   Refined titlebar controls and variants
-   Clear notifications on window close

[ cmux 0.3.0](https://cmux.com/docs/changelog/0.3.0) [cmux 0.5.0 ](https://cmux.com/docs/changelog/0.5.0)

Canonical: https://cmux.com/docs/changelog/0.4.0

Documentation index: https://cmux.com/llms.txt