# cmux 0.55.0 · Changelog

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


February 19, 2026

Changed

-   Move port scanning from shell to app-side with batching for faster startup

Fixed

-   Fix visual stretch when closing split panes
-   Fix omnibar Cmd+L focus races

[ cmux 0.54.0](https://cmux.com/docs/changelog/0.54.0) [cmux 0.56.0 ](https://cmux.com/docs/changelog/0.56.0)

Canonical: https://cmux.com/docs/changelog/0.55.0

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