Executing com.canonical.AppMenu.Registrar.GetMenus() on com.canonical.Unity.Panel.Service fixes the issue until I restart Firefox.
Maybe also helpful: I'm on pl_PL.UTF-8 locale, and the menu shortcut is the very last letter in the label.
Executing com.canonical. AppMenu. Registrar. GetMenus( ) on com.canonical. Unity.Panel. Service fixes the issue until I restart Firefox.
Maybe also helpful: I'm on pl_PL.UTF-8 locale, and the menu shortcut is the very last letter in the label.