There are very few cases where threading is essential, where you cannot work just with communicating processes. I cannot think of anything but FPS games (perhap

There are very few cases where threading is essential, where you cannot work just with communicating processes. I cannot think of anything but FPS games (perhaps you can). Crystal already has fibers, eventloop and CSP-style channels. See https://crystal-lang.org/docs/guides/concurrency.html https://crystal-lang.org/docs/guides/concurrency.html All languages don't have to be good at everything. See IEEE 2018 top programming languages list puts Python at the top. How's its parallelism story these days?