That specific classname didn't change since the beginning of the project, I had a breaking change on WhatsApp's side one time (was several months ago already).

That specific classname didn't change since the beginning of the project, I had a breaking change on WhatsApp's side one time (was several months ago already). I'm aware of https://github.com/tulir/mautrix-whatsapp https://github.com/tulir/mautrix-whatsapp which I'm personally interested in, which uses a reverse engineered implementation of the WhatsApp web protocol.