I've found a quite peculiar bug that hopefully someone can help me with.
I have a level, made up of a bunch of rectangle bodies, joined by weld joints, and revolute joint in the middle. Weld joints are represented by red wiggly dots made very carefully in Paint
![Mega Grin :megagrin:](./images/smilies/ms-megagrin.png)
Here's how it looks before level's physics are turned on:
Here's how it looks like after physics are turned on, on my Windows partition:
Here's how it looks on my Android tablet and my Arch partition:
As you can clearly see, the bodies on the edges collapse for some reason.