If last chat tab is closed Gajim resizes window to roster size. In tiling wm it causes that roster is resized and after reopening chat tab it occupies whole window and user has to resize roster again and again. Reproducible: Always
See URL for patch.
I spoke to upstream and here will be a bug fix release this week. I will wait for that one.
+*gajim-0.15.3 (18 Mar 2013) + + 18 Mar 2013; Justin Lecher <jlec@gentoo.org> +gajim-0.15.3.ebuild, + +files/gajim-0.15.3-roster.patch: + Version BUmp; include backport of last tab closed fix, #461248 +