Windows build number: 10.0.18363.0 Microsoft Windows NT 10.0.18363.0
Windows Terminal version (if applicable): 0.7.3291.0
Another behavior is that when going into Full-Screen mode from a maximized window, you still see the taskbar and the padding around the shell looks all messed up:

fullscreens to:

Thanks @zadjii-msft !
I should also mention that I use three monitors at work, and my 4k monitor (my third, as opposed to the other two being 1080p) displays a different behavior when fullscreening:
Not maximized -> fullscreen:

Maximized -> fullscreen:

Yep, I hit this within minutes. :(
Fullscreen looks good if padding is set to 8,8,8,8.
If padding is set to 0,0,0,0 the content gets cut.
Interestingly, this issue (including the 4k monitor issue mentioned by @OmriSama) _only_ repros for me if I have showTabsInTitlebar enabled. With that setting off switching to fullscreen works as expected regardless of the starting window state or the monitor it's on.
:tada:This issue was addressed in #3721, which has now been successfully released as Windows Terminal Preview v0.8.10091.0.:tada:
Handy links:
Most helpful comment
I should also mention that I use three monitors at work, and my 4k monitor (my third, as opposed to the other two being 1080p) displays a different behavior when fullscreening:
Not maximized -> fullscreen:

Maximized -> fullscreen:
