[swiftcoder]

I'm running Mojave (10.14) on an Early 2013 MacBook Pro, and it's seems to run just like when it was new. That said I do have the quad-core i7 model, so YMMV if you have a dual-core or i5 model.

[LeicesterCity]

I should have mentioned that in my post. I have a dual-core i7 model.