The designers of matrix decided to shift more of the burden of the protocol to the server so that clients would be easier to implement. Therefore there are few servers and many clients. e2ee makes the client more complicated, that's why not all clients support e2ee
https://matrix.org/ecosystem/servers/
The designers of matrix decided to shift more of the burden of the protocol to the server so that clients would be easier to implement. Therefore there are few servers and many clients. e2ee makes the client more complicated, that's why not all clients support e2ee