Its developers tools, as is is better than chromes.

And like i said in my original comment it's vertical tabs are one of the best implementations out there at the moment.

It has sensible tab folder features which I usually don't use in other browsers but in edge they're great.

It also has what they call workspaces that keeps the exact state of your tabs across signed in instances if the browser irregardless of device (it even syncs in real-time - which has helped me in times at work when i can remote into multiple different devices on our network).

Granted i can understand on personal devices the signed in workspaces may sound awful to most but on a device where i already have to be signed in to a Microsoft account for work anyway, it's a moot point for me. My work laptop is the only windows device i have in the house if that's worth any merit. Windows is awful, getting worse by the way and edge will soon be following suit so even though I'm praising it in its current state, I can't see me continuing to do so for much longer.