Everytime I try to go fullscreen (green button) zwift crashes. MacBook Air Apple M4 OS: Tahoe 26.3

Using Zwift on MacOS. After updating to the latest beta (26.3 beta 2) the app crashed when maximizing to full screen. Others experienced it and found a solution?

Some comments over here [image] Crashing on macOS 26.3 BETA Bugs and Support Everytime I try to go fullscreen (green button) zwift crashes. MacBook Air Apple M4 OS: Tahoe 26.3 Zwift is not supported on beta versions of macOS but hopefully they’ll sort …

[image] Henrik_Jespersen: Others experienced it and found a solution? Yes confirmed this behaviour with Mac Pro 7,1 and Radeon Pro W6800X 32GB. Pretty sure it will get addressed, don’t think there is anything you can do.

Same problem here, after accidentally updating after forgotten to turn of beta updates :-/ My solution seems to be to drag window to screen size until fix on official release

Same issue here - MacBook Air with M2 - did not experience with prior public beta version

Hi @Arnt_Eirik_Hansen @Lou_Glaser , welcome to the Forums! I’m Francisco from Zwift Support. Hi folks, FYI, there is an official support page from Apple on how to turn off beta updates. As a reference: [image] Zwift on MacOS Sonoma Public Beta General Discussion …

Apologies, but I have to warn against restoring back to an older version of MacOS - this takes a lot of effort and time, that’s an extreme option and should be a last resort. I would suggest to use the windowed mode for Zwift for now until the issue can be resolved. Other than the issue with full s…

After this latest update, I can no longer launch the game in a maximized window on macOS (M1 Macbook Air) and have to subsequently launch the game a second time and leave it in a window otherwise it will make the application crash.

macOS 26.3 Beta 3 has resolved this problem for me. Hopefully it doesn’t come back in another beta

You should expect instability from any beta release. If that’s unacceptable do not run Zwift on beta releases.

Crashing on macOS 26.3 BETA

Bugs and Support

Paul_Southworth (Paul) February 12, 2026, 2:09pm 24

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Crashing on macOS 26.3 BETA

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