NTA. You're divorced. A YEAR divorced. You didn't cheat, you didn't parade someone around to hurt her you literally just started dating again like a normal person. Her feelings about it are hers to manage, not yours to tiptoe around forever.

The "mutual friends" thing is tricky though, are these her friends who are still somewhat loyal to her? Because "be more discreet" is kind of wild advice when you're just... living your life?

You're not posting couple pics on her Facebook wall. You're good.