[whorleater]

Yeah, I don't know why this falsehood continues to persist. WhatsApp and Ericsson engineers continue to work together to evolve Erlang, alongside a bunch of other people across the industry.

Source: I work at WhatsApp

[pessimizer]

It's not a falsehood. The confidence of working at Ericsson and WhatsApp seems to have kept you both from just looking it up.