Do I have to use ECS to use the new physics system?

I'm interested is using the new unity physics system that was announced at gdc, but it's not clear to me if I have to use ECS in order to do so. In this post it says that the new system uses DOTS. Does this mean that I have to use DOTS (so ECS, jobs) in my project to interface with it? Will the new system use the same components as the current system, e.g. same joints?

 

That's what was said on another discussion:
https://forum.unity.com/threads/unity-physics-discussion.646486/#post-4336105

You can check out the demos of it here: https://github.com/Unity-Technologi...UnityPhysicsExamples/Documentation/samples.md

This reply hints you could do physics in ECS and somehow bridge the results to your non ECS Game Objects.