Hello, I have already posted the issue in question on the Whonix forum. Since it persists despite the recommended tests, it could be a Qubes problem. Therefore, here is the description:
Since the release of Qubes 4.3, I’ve noticed a small, but creepy issue, though I’m not sure if it’s caused by Whonix or Qubes:
When you try to right-click the red SDWD icon in the top-right corner, it often doesn’t work.
When you open a disp and then right-click the clock icon in the top-right corner, the disp appears twice, along with its number. The following images illustrate this:
Thanks for your opinions and solutions.