Here's what I think about each of your (greatly appreciated) comments:
Bugs:
1. Yes, some of the trees got removed. A few of them were floating above ground and there were a bit too many unnecessary ones.
2. Perhaps I never updated the Linux version after fixing the trees. I know they have colliders in my current version. Also, I am not quite sure why the application sizes are so different, but they have always had that difference. I could try tweaking some settings.
The suggestions:
a) This was actually a features a while ago during testing. It was removed because there were so many instances when I tried to jump without realising that I wasn’t grounded, so I jumped off the capybara unintentionally. Even though it makes sense, it was a bit annoying. The physics are better now so I will try to reimplement this and see how it works.
b) That’s a great idea, I’ll talk to my main composer/my brother about it.
c) I would really like to (try to) add that at some point, so that you could use the cart in other areas. It might take a while to decide since the cart mechanics aren’t finished and lack multiplayer.
d) I’ve never thought about that. Could be cool to test out. I’m not sure if it would work well or not at all :P
Once again, thank you very much for the feedback, I’m taking everything into consideration. :)