for now the only workaround is to download the binary firefox https://ftp.mozilla.org/pub/firefox/releases/71.0/linux-x86_64/en-US/firefox-71.0.tar.bz2 and run it with MOZ_ALLOW_DOWNGRADE=1 ./firefox -P default
- Bug#946249: firefox 71 breaks most addons because of loca... Axel R.
- Bug#946249: firefox 71 breaks most addons because of... Diederik de Haas
- Bug#946249: firefox 71 breaks most addons because of... Diederik de Haas
- Bug#946249: More information on extension breakage Mika Boström
- Bug#946249: firefox 71 breaks most addons because of... Paride Legovini
- Bug#946249: firefox 71 breaks most addons because of... Wesley
- Bug#946249: firefox 71 breaks most addons because of... r087r70
- Bug#946249: firefox 71 breaks most addons because of... Christian Weeks