General Layout issues when importing a Musescore 2.2 score
The score available at https://musescore.com/classicman/scores/33715 doesn't import at all right in MuseScore 4. One particular example is what happens to the bars at the bottom of page 1.
Here is in Musescore 3:
Here is in Musescore 4:
Hopefully this is a source of examples.