Element for Android doesn't support searching in encrypted channels and I think you can't use E2EE in the browser at all(?), plus basically every other client has even more drawbacks when it comes to E2EE.
My team recently tried RocketChat, but E2EE is obviously an afterthought for that project as it has even more limitations than non-Element Matrix clients (no searching, no pinning, no file upload, no edit, etc.). Plus Jitsi integration seems to be buggy right now (at least on my Windows installation).
What else is out there that's not on my radar? Is Matrix with Element really the best option right now? Is there no project that puts E2EE above all else?
Element for Android doesn’t support searching in encrypted channels
That's true of regular Element for Android, but it's being replaced with Element X (which is built with Rust). I would expect search to be added there if it isn't already.
and I think you can’t use E2EE in the browser at all(?)
I have done it in Firefox, so that's false. Perhaps you had trouble with a specific browser?
plus basically every other client has even more drawbacks when it comes to E2EE.
Nheko handles E2EE just fine, so that would seem to be false as well.
Since you're looking for recommendations, it would help if you said which clients you tried and what problems you had with them.
That's what I expected fo regular Element for Android as well, but it never came into existence.
Element X
I fail to find a feature comparison between the two. Does it have feature parity with Element yet? If not, what's missing?
Firefox
Firefox is my main browser and has been for the last 15 years or so. It definitely was Firefox, but maybe I'm confusing it with a different issue. There definitely was some feature in Element Web that didn't work and told me to use Desktop instead, unless I'm imagining things now.
Nheko
Interesting, I'll take a look. EDIT: Nheko is NOT a mobile client. I've misinterpreted your statement.
If you specifically meant mobile, you could have said so. Your statement was, "every other client has even more drawbacks when it comes to E2EE." Nheko disproves that statement. It also suggests that some alternative mobile clients might handle E2EE at least as well as it does. You might want to try them.
By the way, text search with end-to-end encryption happens to be tricky to implement, and Matrix projects aren't funded by corporations with deep pockets. Tempering your expectations regarding development speed is probably worthwhile here.
Back when encrypted search was being developed for the Electron app, I think someone had it working in a standalone browser as well. Perhaps that was with the help of a browser add-on; I don't remember for sure. I suspect github.com/t3chguy would know, as he seems to be active in discussions of that feature. It might be worth asking him about it.
Signal has no search for Groups, there are no public groups or channels. Signal has a monopole server that is supposed to be OpenSource but nobody can run their own one.
Yes, search on Signal is fundamentally less complex than on Element because there are no Groups or Servers to search.
You are talking about searching in local messages I guess, which is unrelated and should work everywhere.
Telegram, Signal and Element are 3 different products. Signal is very restricted but encrypted. Telegram is way less restricted, the desktop client is somewhat standalone but has no encryption which is bad. Element is way more complex and allows encrypted and unencrypted.
Element X works really well but Servers need to additionally run the sliding sync program. They still run normal synapse, but the sliding sync needs to be added. I could not find a list of Servers that have that installed.