I know Mozilla wants to eventually redesign the #Firefox bookmarks creation/editing dialog's #UX #design & implementation someday, but since it's been over six years… so in the meantime I figured I might as well report one of the most annoying bugs with the existing implementation: that wonky wiggling width! You won't be able to un-see the demonstration video attached there. https://bugzilla.mozilla.org/show_bug.cgi?id=1877009