The issue here is that WhatsApp doesn't work with third-party clients (outside of EU anyway). It does now in EU via BirdyChat and Haiket, but the features are

The issue here is that WhatsApp doesn't work with third-party clients (outside of EU anyway). It does now in EU via BirdyChat and Haiket, but the features are too limiting: https://about.fb.com/news/2025/11/messaging-interoperability-whatsapp-enables-third-party-chats-for-users-in-europe/ https://about.fb.com/news/2025/11/messaging-interoperability... Ideally, WhatsApp would fully support third-party open-source clients that can ensure that the mathematics are used as intended.