Edit: Looks like you can opt-out of that "new look and feel" pretty easily under the appearance settings but still, whats with putting rounded corners everywhere?
Edit 2: "Explore the web with a softer, more friendly aesthetic featuring rounded corners […] Designed to complement your operating system, whether on Windows 11, MacOS, or Linux." The fuck does that mean? Windows 11 fair enough but most Linux distros don't look like that at all.
You get free credits for Dall-e for using edge (or maybe you just need to be signed into a msoft account 🤔)
Also the bing AI chat is pretty good.
Not my daily browser, but those are two reasons.