http://bugs.winehq.org/show_bug.cgi?id=58826
--- Comment #1 from Michael Setzer II mikes@guam.net --- Add some details on issue as seen with 10.17. Download emails. List emails in inbox. If click on top one and press D to delete. email is delete and next one slides up. If attempt to delete it, nothing happens. Have to click on it twice to get focus back, and then D will delete it.
Hadn't happened on any previous versions.