How is my FPS so high now??

I was playing on unlimited cap this morning, got 60-70 fps on medium to high settings. I now login after an update and I have the same settings but my fps is now 150 plus.

I was playing on unlimited cap this morning, got 60-70 fps on medium to high settings. I now login after an update and I have the same settings but my fps is now 150 plus.