You need to create a collection and then you can use almost any extension (it’s a pain in the ass to setup)
https://support.mozilla.org/en-US/kb/how-use-collections-addonsmozillaorg
Mozilla is so stupid sometimes… It makes it feel like they are trying to discontinue all extensions.
If you use Nightly or Beta you can use pretty much any addon with a few steps: https://www.ghacks.net/2022/10/20/firefox-beta-for-android-now-supports-custom-add-on-collections/
Firefox for iOS is locked into iOS bullshit. It’s basically just a skin for safari.
It’s apple’s fault.
And users for accepting it. But Apple’s users compromise a lot of freedoms in exchange for the benefits they percieve they’re getting. My only concern is many Apple users don’t actually know the compromises they are making as they’re not technically minded.