See also https://forum.endeavouros.com/t/floorp-going-closed-source/52783
Edit: They claim they will make that part open source too, eventually, and it is due to behavior of another browser: https://github.com/Floorp-Projects/Floorp-core/issues/62
Edit 2: They just open sourced the private repository 7 minutes ago, 2024-03-24T12:39Z
Personally I use Waterfox because of its built-in theme preferences, e.g. auto-hiding the tab bar and sidebar headers.
Is Waterfox still owned by the advertising company?
No, (Captain Obvious,) and I never really got the fuss around that in the first place.
Huh, TIL.
https://www.waterfox.net/blog/a-new-chapter-for-waterfox/