[still_grokking]

Who isn't waiting to finally get an usable effect system?

But there is something on the horizon for Scala:

https://github.com/lampepfl/dotty/blob/release-3.1.0/docs/do...

One can have a proper effect system on the JVM also already today with Flix:

https://en.wikipedia.org/wiki/Flix_(programming_language)#Po...