That issue remains open but there may be some ideas that we can try in the recent comments (I already tried the many-sided polygon thing, which maybe helps a little, but the issue still remains).
I'm mostly creating this issue as a reminder to keep an eye on that issue. Once they have a recommended solution, we should adopt it here.
Currently, if you watch the MatterJS demo for long enough, it stops bouncing. Ideally it would keep bouncing forever like the other demos.
This is a known issue on MatterJS: https://github.com/liabru/matter-js/issues/256
That issue remains open but there may be some ideas that we can try in the recent comments (I already tried the many-sided polygon thing, which maybe helps a little, but the issue still remains).
I'm mostly creating this issue as a reminder to keep an eye on that issue. Once they have a recommended solution, we should adopt it here.