[sebtron]

> I'm sure we'll see open source libraries pop up everywhere to communicate with WhatsApp directly.

How so? Each of them would need approval by Meta + signing an NDA, and I can easily see that ruling out open source libraries.

[jeroenhd]

Most of the protocol is already reverse engineered. Once less heavily obfuscated apps start using the external messengers API, implementing the rest of the protocol should be a lot easier.