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

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