Last year they discussed why they didn’t choose rust (predicted 12-18 months to build a runtime that met their requirements) or erlang (performance too slow):
That's me. I discussed why we (I am no longer at Wallaroo) made the decision about 5 years ago to use Pony to build a product that is no longer what Wallaroo is selling.
https://corecursive.com/055-unproven-with-sean-allen/#consid...