FOSS builds of Mozilla Fenix
Looks like it's being worked on by someone: https://www.reddit.com/r/fdroid/comments/idt2k5/fork_of_firefox_for_android_iceweasel/
Edited by Ghost User
Looks like it's being worked on by someone: https://www.reddit.com/r/fdroid/comments/idt2k5/fork_of_firefox_for_android_iceweasel/