Three days ago, I posted the following question on MathOverflow's Meta:
Since a while, it's possible to retract a flag by opening the flag dialog again and clicking the 'Retract flag' button. Of course, if the flag is already handled, retracting isn't possible. In this case, the MathOverflow site design hides the button instead of graying it out.
I thought this issue only occurred on MathOverflow, but today I saw the button looks weird on The Workplace as well:
This screenshot (from Mathematics Stack Exchange) is how it should look like: