Reinstalling addon didn't work. I reinstalled Firefox with adding FVD only, interestingly it didn't work at first (same issue) but today everything works fine!
Edit: I figured out FVD updated to 67.1.5 just today, so no wonder it works now! I was assuming i'm still using 66.5.5 when replied.
Reinstalling addon didn't work. I reinstalled Firefox with adding FVD only, interestingly it didn't work at first (same issue) but today everything works fine!
Edit: I figured out FVD updated to 67.1.5 just today, so no wonder it works now! I was assuming i'm still using 66.5.5 when replied.