Non-default style settings in score get applied to all parts on reload, leading to bad transposition and other loss of data
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 220.127.116.1163, revision: cda4080
1) SATB template (test file at final step: dividers parts.mscz )
2) Add a system divider left/right
3) Create parts (New all -> Ok)
Result: in parts, Soprano, etc. (press "M" first to disable mm rests), the system dividers appear unexpectedly.