# cmux 0.64.1 · Changelog

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


May 5, 2026

Fixed

-   Fix sidebar workspace close (×) button intermittently failing to appear on hover ([#3546](https://github.com/manaflow-ai/cmux/pull/3546))

Contributors

[![austinywang](https://cmux.com/_next/image?url=https%3A%2F%2Fgithub.com%2Faustinywang.png%3Fsize%3D48&w=48&q=75)austinywang](https://github.com/austinywang)

[ cmux 0.64.0](https://cmux.com/docs/changelog/0.64.0) [cmux 0.64.2 ](https://cmux.com/docs/changelog/0.64.2)

Canonical: https://cmux.com/docs/changelog/0.64.1

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