We don't usually do linux or mac, but have found reasons why we might in the future outside of the jam even haha, so great call out there. Hopefully the web build worked just fine in the meantime.
We though about adding some in air straif to the character, but landed on the other side of the fence.
On the collider though, you've got a good eye, it is a sphere when you get up to speed, but a cube when you are at rest, a part of our not so secret sauce to try and get it feeling just right, glad you didn't mind it.