> I would personally be very happy to use a significantly slimmed down subset of TypeScript if it provided a 62x performance improvement. Slow type checking is

> I would personally be very happy to use a significantly slimmed down subset of TypeScript if it provided a 62x performance improvement. Slow type checking is currently the main drawback of TypeScript development in large projects. Isn’t that already available by running in “transpile only” and having the type checking happen in the background?