Intellij uses UseConcMarkSweepGC gc, which has been deprecated since Java 9. Jetbrains is still investigating the use of ZGC. https://youtrack.jetbrains.com/issue/IDEA-247824
It is defaulted to G1 now(I have 2021.2.2 version).
PowerShell will never accumulate a library as comprehensive as what any of those three have, each has had decades to accumulate packages of all kinds, and more are still being added.
It's odd, but not surprising given their history of "Not Invented Here", that Microsoft never even considered using Python or Ruby when they both have .Net implementations. Their enthusiasm for JavaScript wasn't sufficient for them to embrace that either.
or Lua?