due my policy no critical bugs in current stable, there is a new patchlevel. the new improvements in eventtable from head trunk had to go in because on of the bugs was caused by event triggered callbacks that executed upon nonexisting toolbar buttons. all this is hidden behind the Kephra::App::ToolBar API, so if you call their destray all tools will disconnected from their events before.
After making the CommandList so far feature complete (maybe export on command to Kephra::Config::Tree) we are two steps closer to sane and mighty extension API shich will see daylight before next stable I hope.