Version: 1.13.3 (using KDE 4.4.3) OS: Linux If you have three email accounts and three inboxes and open three different tabs viewing those inboxes, each tab just says "inbox". It's impossible to differentiate, via the tab bar, which tab is associated with which account. Reproducible: Didn't try
I can confirm and support this.
SVN commit 1161537 by mlaurent: Fix bug #240089 Add tooltip to show fullpath of collection in tabwidget BUG: 240089 M +8 -0 pane.cpp WebSVN link: http://websvn.kde.org/?view=rev&revision=1161537