OK take a deep breath, now let it out.
Note: Raspberry Pi OS now has the current release version in the Bookworm repos.
There are several ways to get a newer version of Firefox.
First, there is Ubuntuzilla, which works for i386/amd64 but not arm32/arm64. Since I am on RPIOS I am just posting the link to it.
https://sourceforge.net/p/ubuntuzill.../#installation
Ubuntu Firefox Beta PPA:
https://launchpad.net/~mozillateam/+...u/firefox-next...
