Has anyone used that with their Protonmail account?

Maybe something Proton should build on for its own chat app.

DeltaChat is incompatible with ProtonMail:

	▲	floren 19 hours ago \| parent [-]
		They mention the bridge but if they're using pgp under the hood it may well just be entirely broken: https://jfloren.net/b/2023/7/7/0