After the latest update, Cursor becomes unusable on macOS 26.0.1 due to broken text editing behavior. Pressing Delete does not remove characters. Deletion only works if the Function key is pressed, but typing afterwards causes erratic behavior (text not entering, input failing entirely). This makes the app unusable.
Steps to Reproduce
Open Cursor on macOS 26.0.1.
Attempt to delete text using the Delete key. → Nothing happens.
Hold the Function key and press Delete. → Characters are removed as expected.
Expected Behavior
Delete should remove characters without requiring Function.
Normal text entry should work consistently after deletion.
Operating System
MacOS
Current Cursor Version (Menu → About Cursor → Copy)
In your case it’s more severe since it affects core text editing.
In the meantime, could you please confirm whether you’re on macOS 26.0.1 specifically, or a newer patch? Also, does the issue occur in both regular editor files and terminal tabs, or only in editor files?
Thanks for the link and update. At least I am not alone!
I am seeing the issue on both 26.0.1 on my M2 MacBook Air and 26.1 Beta on my M2 Ultra Mac Studio (I upgraded as a Hail Mary). It occurs in regular editor files only, not terminal tabs.
Fortunately, I have an old M1 Mac Mini still running macOS 15, and that works perfectly.
I’m taking the MacBook to Apple Store today to wipe it & downgrade to macOS 15.