http://bugs.winehq.org/show_bug.cgi?id=27779
--- Comment #91 from Daniel Neugebauer dneuge-bugzilla@energiequant.de 2011-11-04 13:10:14 CDT --- Doing a quick git annotate, the commit that last changed that line appears to be 886ae4c3 by Alexandre Julliard in April: http://source.winehq.org/git/wine.git/commit/886ae4c3484bcf2cda549d8be39e2f9... Commit comment is "winex11: Always forward SetCursor to the driver, and limit the frequency of updates on the driver side."