The solution is to simply: --- panel-plugin/datetime.desktop.in.in +++ panel-plugin/datetime.desktop.in.in @@ -1,6 +1,5 @@ [Xfce Panel] Type=X-XFCE-PanelPlugin -Encoding=UTF-8 _Name=DateTime _Comment=Date and Time plugin with a simple calendar Icon=xfce-schedule Remove the Encoding line. If you maintain more plugins, please take care of them too. Xfce4 core was just fixed yesterday for this.
Done for datetime, places, and stopwatch.
*** Bug 9654 has been marked as a duplicate of this bug. ***