It also behaves very erratically on a slower channels. On 3G speeds and lower it becomes basically unusable - messages are not sent or sent in the wrong order.

Why it needs so much resources just to send a few bytes of text?..

> Why it needs so much resources just to send a few bytes of text?..

Waste. It doesn't cost them much[0], and they don't seem to care on an ethical level about it either, and wastefulness allows them to achieve their business goals faster. Until there's a business pressure for it, things won't improve, and I have no idea what such pressure could be.

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[0] - How many of their users are captive anyway? I didn't choose to use Slack, some non-tech folks at the company I'm working with chose it. Elsewhere, someone in the community of a technology I use also chose Slack. So now I'm forced to use them in both cases.

Slack takes 5-7 seconds to start up and connect on an ultra low latency 300 Mbit connection. I really wish there were a native app on Mac.

The Slack integration is a bit rough still, but: https://cancel.fm/ripcord/

There is:

https://www.sblack.online

AFAICT that is not native:

> Sblack works exactly like a browser with small tweaks. We inject the dark mode style at the end of the Slack’s html, and that’s it

I bet it's just embedding a WebView, and the app is small because it uses the system's WebKit2

That’s not a native app, it’s a app wrapping a web view.