this post was submitted on 21 May 2024
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Privacy
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What are the main problems of Matrix? I have searched around for this but not found anything concrete. I use Element with E2EE and haven't had any real problems with it.
It supports unencrypted messages. Lots of metadata is not encrypted (eg all reactions).
Many orgs cant use software where users can send messages unencrypted. Its a security risk, even if the user did it by mistake.
I think most orgs would want to own the server and for messages to not be end-to-end encrypted. All connections to the server would still be encrypted.
That would be more in-line with slack or something.
If you're referring to federation specifically then that's going to get pretty complicated with security policies.
That would fail a whole lotta regulatory requirements.
High resource usage (RAM, but also CPU), slow syncs especially after being offline for a longer time with many public rooms, group chats are hard with encryption (new members can't read old messages because secure key sharing wasn't solved yet), if your partner did not set up key backup they'll have problems with access to messages when moving or just switching devices
I would say though that the problems of Tox sound to be more serious
That's Synapse being bad and already having a tech debt. Matrix is surely more expensive to run than other protocols, but not much considering federated nature.
Being worked on with syncv3. New sync is crazy fast.
About encryption, it is also being worked on heavly.
The one bad thing I can say about Matrix is just how much is being "work in progress". But I would choose a protocol that is going to do my checklist than others that would never do.
No, I mean the clients.
element web consumes 2-3 GB of RAM according to
about:processeswhen my matrix.org account with membership in a few dozen public rooms is logged in.The android client is also as slow as nearly nothing else on my phone. It lags, so much that it's not rare that I have to wait seconds before a click gets processed to start opening a menu.
And that's how it is when the app is synced. While it is still syncing it's even worse.
I have element x. It still can take seconds until it is usable, like if I haven't used it for a while, on a fast connection. But yeah, at least it's not minutes.
While most of the known chat apps already work this way, I am sad that element x won't try in any way to store a copy of my messages on the phone for offline access anymore.