It’s based on Firefox, but those modifications do have a rather large impact in terms of privacy.

$ fuck

Comes in handy quite frequently.

That depends a bit on the ruleset. According to Guinness (where hyperventilating with pure oxygen beforehand is allowed), it’s 24:37.36. According to the freediving organisation AIDA (where pre-breathing oxygen isn’t allowed), it’s 11:35

Takes about a second for me.

Can’t have jury nullification if you don’t have juries.

but it will make the planet a lot less habitable for humans.

And, unfortunately, for a wide range of other species.

Nope, it still works on my phone. Do you have the newest F-Droid version?

they all went dark

A couple of them (such as Infinity) were granted an extension and still work.