Fedora has issued an advisory on December 4:
The issue is fixed upstream in 8.2.3669.
This is definitely for Thierry.
How things move fast: 8.2.3642 was committed just 12d ago, but 8.2.3717 is already in Cauldron!
fixed in mga8:
MGA8-64 Plasma on Lenovo B50
No installation issues.
Used vimx to edit some text file: works OK
An update for this issue has been pushed to the Mageia Updates repository.