Hi Max,

> I tested all my scripts with MacOS 10.13.2 - everything works great (except the scripts which
> uses setInterval). I noticed significant performance increase!
> For example, Cloth simulation script works about two times faster than before. I'm impressed.

Great! I wasn't really sure exactly how the 64-bit build work out for script performance.

The one other v4 performance regression that's been reported is Extrude giving lagging feedback in the Mac version. I've got a fix for that for the next beta.

- Michael