It's not e2ee, but I imagine it's a tall order to ask for communities with thousands of members to support E2EE while also supporting message history (since you

It's not e2ee, but I imagine it's a tall order to ask for communities with thousands of members to support E2EE while also supporting message history (since you want things like old messages searchable) and complex mentions (ie. @role notifications) with maybe a thousand messages per minute being sent across all channels/topics.