They fixed it with four days left. It wasn't retroactive so you had to do it again from scratch but if you waited to see if it was fixed first but didn't farm up Witchy Writs or lots of gold beforehand then you were shit out of luck.
Daily reminder Zenimax is cancer.
Just like the last challenge this one was also broken and never tracked progress.
No developer even bothered to reply to HARMON's thread he made for the last challenge when also posting about the new challenge on their forums: (Post #19)https://forums.elderscrollsonline.com/en/discussion/544086/s...