Panels don't open with Application Frame turned off
On MacOS, when Application Frame is turned off, and Window panels (ex: Layers, Artboards, Swatches, etc.) are condensed, the Window panels will not appear when clicked on. They only work if Application Frame is on.
Illustrator 23.0.1
MacOS 10.14
6
votes

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Neil commented
This appears to be the same issue that I and others have been suffering for a long time:
In my case this even stops working with the application frame turned on and requires restarting the program/deleting the cache/deleting permissions which I've already done too may times