We are aware this is happening in some computers. Most of them laptops as far as i know. And yes, it's something about renpy newest version.
We believe we have some solutions to improve this, but it's not fast to do, so will fix it on the next update. Luckily renpy will also fix this issue soon.
If you are using laptop, make sure it's not in power saving mode. This helped some players
It's alright, your guys job is just out of this world. The attention to the comunity is gigantic compared to other games, as you guys stated on patreon, so it's already a BIG WIN trade even for the ones that doesn't pay.
So as long as this fps problem with the animations is fixed, which I'm sure it will be, I can wait some weeks. Well I already had to wait months for the update, and it was always worth it! I can wait a bit for some fixes.
