Johan Temmerman

For the built-in ones look at the Tempo palette, which features a rall. and a rit. line. See also https://musescore.org/en/handbook/4/tempo-markings

Looks like all from 44.1 to 192 is expected to be(come?) supported. For reference, this is the setting with the .ini key: https://github.com/search?q=repo%3Amusescore%2FMuseScore+AUDIO_SAMPLE_RATE_KEY&type=code

This was/is an issue in MS3 as well; where I couldn't get it to work out even with interaction tricks such as swapping voices twice etc. It's why the TimeSig...