[Qem]

Well, there's KlongPy[1]. While not APL, it is built on top of Python and manages to turn NumPy from "Iverson Ghost"[2] status into Klong[3], a proper array language.

[1] https://github.com/briangu/klongpy

[2] https://analyzethedatanotthedrivel.org/2018/03/31/NumPy-anot...

[3] https://t3x.org/klong/