I don't know any more than what's in the link, I also saw a very brief advert on TV. No dates for it seen as yet. No idea if it will be good or not but got the impression they want to be sympathetic and respectful. Perhaps someone else here might know more. link
...and scripted dramatisations based on firsthand accounts of the singers' lives. Yuck! I fear they may try to do with Freddie what they're doing in the series Autopsy: the last hours of...
The only thing I can hang some hope on is that I'm sure the official Queen website posted a news item about this a long while back when it was announced, so it could be being made in collaboration with them, and so will be 'approved'.