- Copying //UE4/Release-4.27-Chaos to //UE5/Main (all new solver work accumulated in development stream)
- New Chaos solver
- Persistent collisions, islands
- Manifold changes
- Groundwork for future optimizations
#ushell-cherrypick of 17738623 by Chris.Caulfield
#rb various
#jira UE-119389,UE-121295,UE-119397,UE-119396,UE-119395,UE-119394,UE-119393,UE-119390,UE-119389
#preflight 61718e8833e63300012342b8
[CL 17886849 by Chris Caulfield in ue5-main branch]
