I really miss the tab groups addon that I used to use before Firefox Quantum was released. Anyone know if there's a replacement addon in the works?

When Firefox Quantum was released the tab groups addon that I've been using for a long time stopped working. Is there an addon already out there that provides tab groups that is compatible with Firefox Quantum? Or is there one in the works?

Seems like it's been discontinued from Firefox officially, couldn't find a compatible addon as yet.