Same as above, mostly areas where you get stuck on air, corners which are far too large and other issues. Most seem self appearant, added some text for some of them though.
A lot of stuck spots. aka not being able to walk forward. Added comments to the nono-stuck spots.
@Skindiacus advertise on popular sites such as Reddit and . . .9gag. . . where adverts are cheaper and a ton of people will see them. On Reddit you can target specific subreddits such as Games and Gaming.
You can already turn it off under game settings.