knight f3 invisible

Playing on a Mac with safari. Since the 23 06 19, playing with white the knight in g1 is invisible. Not only that, but the system accepts moves only from that knight, most moves are not allowed. Bit arduous playing bullet in these conditions. Very weird. Did it happen to anyone else?

Small correction. It does happen with other pieces as well, from both sides. They disappear abruptly. Very annoying.

Hey!

This could be a glitch caused by cookies or cache in your browser. Try a private tab, or clear cookies/cache and restart browser. Also, restarting the Mac after this could help! Good luck!

Thanks for the quick & helpful feedback JKnight!