TenFourFox Feature Parity Release 7 final is now available for testing (downloads, release notes, hashes). There are no other changes in this release from beta 3 other than remaining outstanding security patches. It will go live Monday evening Pacific time as usual assuming no showstoppers over the weekend.

http://tenfourfox.blogspot.com/2018/05/tenfourfox-fpr7-available.html