v3 offers significant performance improvements over v2.
Yes, we plan to update to Box2D version 3. I can’t say for sure when it will happen. We would like to modularise the physics engine system a bit first so that it is easier to replace one physics engine with another, but we may also look into an update first. We are talking to a corporate partner specifically about this at the moment and our course of action will to some extent depend on the outcome of this conversation.
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