Librewolf is definitely better if you are a hardcore privacy nerd. I used it but it broke some sites due to the privacy settings. Waterfox is better than Firefox privacy-wise. Waterfox is in the sweet spot for me. Waterfox has an app but I do not like it because it was very slow compared to the Firefox app. I use Waterfox as desktop browser and Firefox as mobile browser.

Here is the link without the need to open reddit. https://www.waterfox.net/blog/a-new-chapter-for-waterfox/

There are several Firefox forks. Waterfox (based in Europe UK), Librewolf, Zen etc.

Oh look the US breaks its own laws to arrest and to control their people. It feels like the US is not a democracy if they break their own law to suppress their people.