Some clarification please on
https://www.bt.com/sport/football/womens-champions-league
it is still portrayed that it is
whereas and as mentioned on in a article on that page DASN has the rights to the competition so unless BT has any agreement with DASN then presumably the matches will not be on BT Sport.
The article which mentions DAZN clearly states "host broadcaster" as the first 2 words so basically they're filiming etc & supplying it to all worldwide broadcasters
Well reading further past the first two words you get
The deal grants DAZN exclusive global rights to the competition, except in China and its territories and the Middle East/North Africa (MENA) region.