Gnome DE Reports "Not Responding"

• Feb 1, 2021 - 14:15

Arch Linux, Gnome Wayland 3.38.3, Musescore 3.6.1 AppImage

I interact with a score (every kind of interction: input, click to inspect and such) and Gnome DE will frequently (with no certain frequency but every few seconds of interaction) tell me that Musescore "is not responding" and asks whether I should force quit or wait, meanwhile Musescore seems to respond with no problems at all! If I don't interact with the score and let the software be running, it won't say that it doesn't respond.
Screenshot from 2021-02-01 16-12-06.png

On top of that, not only it interrupts me but something strange also occured once: the message appeared, as usual, but after closing it and selecting notes, the notes would disappear... After selecting many, and disappear, it stopped happening, so sending the score won't really help anywhere, as it seems like it wasn't the scores fault.

Plasma KDE wouldn't warn saying "Not Responding" every few seconds. So, I don't know whether's it's Gnome's fault or Musescore's fault. Thanks for reading.

Edit: Sometimes I also get black windows like this one:
Screenshot from 2021-02-01 16-17-22.png


FWIW I occasionally see this on the Debian installation on my Chromebook - a dialog telling me MuseScore has stopped responding even though it hasn't. No idea why, but so far it's harmless.

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