I recently let my nearly 1600 day streak die for the same reason. After like 5 years or whatever, the app was worse than it was when i started.

I think the thing that finally pushed me over was the new energy system. It felt like whenever i was feeling inspired to do more than the bare minimum it would stop me after only 2 lessons. And i found in the new content they’d just added to my course most of the hints were completely incorrect