https://bugs.winehq.org/show_bug.cgi?id=56902
--- Comment #2 from mika margers.roked@inbox.lv --- (In reply to Eric Pouech from comment #1)
did you try that with wine 9.0 or a more recent version? do you have the same issues when typing into notepad.exe?
With wine 9.0 (latest stable). It is an old ongoing issue. In notepad silent key works as it should.