Snow and slush are the main enemies. They'll bog you down. Some friends of mine love their studded tires. My opinion: nice to have but not critical.
Also, use rubber pad brakes. They never failed on me. I never had the opportunity to pick up serious speed. Stopping was never a concern; keeping up speed was the challenge. You also should have proper winter gear. Go through the checklist here:-
https://bikesreviewed.com/gear/winter-cycling-gear/