STR: 1. Open the test data URL 2. Press down on the mozilla logo. text should turn red 3. Drag the Mozilla logo away from it's original position 4. Release the mouse button Expected: 1. Text should turn back to black. Actual: 1. Text stay at red (the :active style continue to apply)

I can confirm this does not happen on Firefox 55.

(In reply to Tim Guan-tin Chien [:timdream] (please needinfo) from comment #1) > I can confirm this does not happen on Firefox 55. Tested on FF55 with a clean profile and found the same result(no back to black) as with following versions of FF. It seems the same on Safari and Chrome. Tim, could you confirm again?

It does not happen on Chrome. Also, it would happen to anything draggable, not just images. I can reproduce this by dragging a link.

(In reply to Astley Chen [:astley] (UTC+8) from comment #2) > (In reply to Tim Guan-tin Chien [:timdream] (please needinfo) from comment > #1) > > I can confirm this does not happen on Firefox 55. > > Tested on FF55 with a clean profile and found the same result(no back to > black) as with following versions of FF. > It seems the same on Safari and Chrome. Tim, could you confirm again? I am sorry, I was wrong. This happens on Fx55 as well. I still wonder if this is a regression though.

I am not sure this is a regression because I tested this issue with the following test data URL https://www.w3schools.com/code/tryit.asp?filename=FJW8SJADA8UV and it is reproducible on older Nightly versions, such as 8.0a1 (2011-08-01).