Safari in macOS 10.12.2 is blinking Not sure why some sites in my reading list is blinking/flickering.
Notice those site that blinks has a blank icon.
Anyone having this problem too?
Happening in private mode too.

Safari  10.0.2 (12602.3.12.0.1)
Had the same issue. Fixed it by clearing caches from the Develop menu and restarting Safari.