I'm not sure why it's not working for you, but it is working for most.
Recent community posts
The only characters that have a "bad" path are Nia and Sylvia with their slave routes. Creating a dark route for the whole game would double the work. That is also not a story I want to tell.
At one point in the story, it's required for Ashley's and F&E's friendships to be at a certain number. This event is the vacation in the snowy cabin event. If you went passed that then you encountered a bug, or adjusted the values somehow. I don't know how this could be happening, let me know if you find out why.
The uncompressed size of the game is around 70GB - 80GB last time I checked. The current level of compression is the highest I could do without any more noticeable reduction in quality.
I haven't heard of cwebp, could you explain further?