I have checked the daily challenge progress a few hours ago and there was a timer now that blocked me from playing it, probably because it was less than 24 hrs ago. Not, just a few hours later (1:19 AM local time), the long streak is gone. The window to complete it must have been less than 6 hours, since that was roughly when I last tried to play. There was a countdown timer of several hours (4+) then until the next one would become available. That alone was already annoying, but now ~6 hrs later the streak is gone. Basically the Daily challenges skipped an entire day / left a windown of 2-3 hours or so to complete it.