[hsivonen]

> Please do not remove working features, especially if they have no effect on security or privacy.

As it happens, part of what made the menu back end cause other changes to take more effort than they should have taken on their face were the security aspects of the menu in Firefox.

Try https://hsivonen.com/test/moz/never-show-user-supplied-conte... in Firefox 90 (which had the menu) and in another browser that has a menu or an extension that adds a menu.