I switched from GNOME2 to XFCE and miss the feature to re-arrange the window buttons in the taskbar (window list).
How can I make it working?
I use Xubuntu 12.10.
According to a bug report this feature was introduced in XFCE 4.6, but removed again in XFCE 4.8 for the sake of code simplicity.
Anyways - after some long discussion it was reintroduced and is available in XFCE 4.10 which comes with Ubuntu 12.10 - it just has to be enabled: