Launching MuseScore 3.6 crashes MuseScore 4

• Dec 24, 2022 - 01:40
Reported version
4.x-dev
Type
Performance
Frequency
Once
Severity
S2 - Critical
Reproducibility
Always
Status
active
Regression
No
Workaround
No
Project

Not much to say about this one. Attempting to launch MuseScore 3.6 while MuseScore 4 is currently running invariably results in MuseScore 4 crashing, while MuseScore 3.6 launches as usual. Doing it in the reverse order — for some reason — does not produce a similar effect, and both versions can happily coexist.

Running MuseScore 4.0.0, revision 5485621 and MuseScore 3.6.2, revision 3224f34 on Windows 10.