Thread: FYI - macOS 26 (Tahoe) issue
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Old 07-24-2025, 01:18 PM   #9
KevinH
Sigil Developer
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I did look at the QT Bugs related to macOS26 beta but as far as I can tell, they are working on it but there is no official support for it (yet).

According to many MacOS sites even macOS26 Beta 4 exhibits lots of problems. It is not yet ready for prime time. I typically stay one full macOS release back (I am running the latest Sonoma version now) just to keep my development and personal machines really stable.

It is also strange that PageEdit works but Preview does not as they share lots of code.

One last thing to try ...

go to Sigil preferences and disable gpu acceleration and then save and quit out of Sigil and then restart to see if that impacted anything?
Last edited by KevinH; 07-24-2025 at 05:33 PM.
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