Two images open. Eye dropper tool. Info pallet reads image that has the focus. If you click and hold on the other image to get a reading Photoshop freezes. Happens every time. Tested on two Apple computers. Photoshop 21.1.0 OS X 10.14.6
No sweat. I understand hectic times! Thanks for the video. I understand now. The initial click doesn't update the info panel right away. You need to jiggle the mouse a bit to get it to light up the values in the info panel. Let me see if there's something we can do to fix this.