Paint.NET used to open pop-up windows in middle position but now it opens on left-top regardless of whether I moved the window's position before before reopening the same window.
Also, "New" pop-up message and possibly some others are broken as seen as the below screenshots.
Note that there's no Plugin Errors to get these.
Screenshots:
^Broken "New" pop-up message
^the additional pop-up message won't appear when saving an image with PNG S