Right, specifically which part is different "in a modern, patched web browser" that makes it so hard compared to a desktop or mobile app? Or even the point abou

Right, specifically which part is different "in a modern, patched web browser" that makes it so hard compared to a desktop or mobile app? Or even the point about being so much harder to add after having non-e2e messages beforehand, I don't buy--they can co-exist with a new default.