New
#241
FF 103 has added some keyboard navigation.
Firefox 103: improved toolbar access, performance and more - gHacks Tech News
Like...
Here are all available shortcuts in an overview:
Tab -- moves to the group to the right of the current one.
Shift-Tab -- moves to the group to the left of the current one.
Right-Arrow-key -- moves to the next element of the active group.
Left-Arrow-key -- moves to the previous element of the active group.
Space -- Activates the active icon.
Enter -- Activates the active icon.
F6 -- return to the web page.
Ctrl-L -- focus the address bar of the browser.
Shift-F10 -- access context menus of buttons.
To restore the old behavior...
browser.toolbars.keyboard_navigation = False