This is already handled by Firefox's very own Multi-Account Containers extension.

I like to add Sticky Window Containers for extra functionality. Sidebery also works well with containers.

Third MJ unretirement incoming.

This is my choice as well. Sadly it has long since stopped getting updates - while basic RSS features will always work, hoping Feedly integration keeps working.

This grinds my gears everytime questions of this form show up: X people of Reddit, what is the most FUCKED UP Y you have seen while Z?

If you're on their mobile app, press and hold the home button for a second or so, and a list of recommended accounts will show up.

It doesn't help that we have pinned posts from many communities hogging the top space in many sorting options, without a way to get rid of them.

Great, subscribed.

Apart from the ones already mentioned,

• being able to collapse all threads in a post to only show parent-level comments
• keyboard shortcuts ala RES (esp the J-K navigation)
• more themes (the default ones suck)
• more image improvements

The devs were hoping that they can keep their apps up and their livelihoods without too much additional work, that's fair from them I suppose. But they should definitely be taking a hard look at porting their existing apps for the Fediverse, if they aren't yet.