Is there something else going on here? The screen above would have no square icons or ui elements with rectangular pixels. Did everyone just adjust their CRT so the image would fill the 4:3 even if it distorted the image?
If you apply 4:3 aspect ratio, it becomes round.
https://www.reddit.com/r/imageuploads/comments/15zxpka/windo...
Note that "icon" here is the minimised state of the window, and the clock application draws itself in that state with the same code as in the normal state, and so it utilises screen metrics, while other minimised applications just call default windows procedure which puts bitmaps on the screen.
Yes? I never saw a "letterboxed" CRT. I think I'm with the people who are suspicious of the Windows 1.0 screenshot. Is there an emulator somewhere we can check with?
But look at the clock icon at the bottom, that could definitely do with some vertical expansion to make it circular.