Aspect ratio of tiled windows not respected in the thumbnail for alt-tabbing between subwindows
If I have multiple Firefox windows open, and some of them are tiled to half-width with Super+LeftArrow or Super+RightArrow, if I hit alt+# (or is it alt+\ ? anyhow, the keyboard shortcut with Alt and whatever key is on the left of the "1" number row key, above the tab key) the thumbnail will show up as squashed because it doesn't respect its aspect ratio.
If the window is not tiled but resized to the same size as if if it was tiled, then the aspect ratio is respected.