savefileto breaks the content context menu on Firefox Nightly since build 88.0a1 / 20210304092248.
The extension items are not hidden according to the preferences and their sub-menus don't show when hovered. Many native items don't work as well when clicked or hovered (e.g. all "Open Link" entries). The preferences dialog and the Save File dialog still work normally.
savefileto breaks the content context menu on Firefox Nightly since build 88.0a1 / 20210304092248.
The extension items are not hidden according to the preferences and their sub-menus don't show when hovered. Many native items don't work as well when clicked or hovered (e.g. all "Open Link" entries). The preferences dialog and the Save File dialog still work normally.
I believe this is the relevant change: https://hg.mozilla.org/mozilla-central/rev/873822e544614bd755622f8857c8c8dd2b08c5a4, but i'm not sure.
The browser console throws these errors: