Originally Posted by ixtab
It must be a problem with the specific extension (which one are you talking about?). For instance, WPA-EAP, which uses (1-level) submenus, continues to work without any problems.
I encountered another error that may not necessarily be related to GUI Launcher but is a result of update 5.1.0. I think the error is reproducible:
Install the extension WaffleTodos
. As soon as the keyboard shows up to enter a todo in the list, the application crashes with error "The selected application could not be started. Please try again."