Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Cursor’s Linux self-update is downloading the new build and then throwing it away. I’m on 3.24.18. Stable is 3.25.6. The in-app updater ran appimageupdatetool against that file, zsync finished, and the checksum matched. Then …

Hey @lesmo , thanks for the report, and for including the updater output. This is a known issue we’re already tracking, and I’ve added your report to it. While a new version is still rolling out, the Linux updater can offer a build that isn’t signed the same way as the AppImage you downloaded from t…

Cursor's Linux self-update validation error: AppImage no longer comes with signature

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Colin (Colin) October 17, 2026, 11:00am 8

This should be fixed for all users now. Thanks for the report!

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Cursor's Linux self-update validation error: AppImage no longer comes with signature

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