Version: unspecified (using Devel)
Although I have disabled Settings -> Misc -> Folders -> Mark selected messages as read after, messages are being marked nonetheless. This has started with version 4.5.77.svn1198704.
SVN commit 1205752 by tokoe:
Do not mark messages as read if 'Mark message as read after' option
has been unchecked.
M +4 -5 markmessagereadhandler.cpp
WebSVN link: http://websvn.kde.org/?view=rev&revision=1205752