https://bugs.winehq.org/show_bug.cgi?id=57512
--- Comment #7 from Rafał Mużyło galtgendo@o2.pl --- (In reply to banana from comment #6)
(In reply to Fabian Maurer from comment #4)
should i list this as a regression, it used to open on wine before the 10.0rc1 update
Well, if it worked with 9.22 and doesn't in 10.0rc1 and you're sure about the commit, than it's the definition of regression.
In such case, add the keyword and set 'Regression SHA1' field.