https://bugs.winehq.org/show_bug.cgi?id=50873
--- Comment #1 from Joerg Schiermeier mywine@schiermeier-it.de --- So I just finished a regression testing: v6.4 was good v6.5 was bad
The result: 28fe84da45bea7de56539b50eac8ebcec54342de is the most suspect commit.