https://bugs.winehq.org/show_bug.cgi?id=40479
--- Comment #45 from winetest@luukku.com --- (In reply to Andrew Wesie from comment #44)
If you are going to try out that repository, please refer to the latest version of the doc: https://bitbucket.org/awesie/wine-overwatch/src/overwatch/OVERWATCH.
I can't explan dying behaviour but it reminds me of bug 30814 and bug 27232 which have the same regression id and its related to losing focus.