No hover text on right-hand images for me on Linux either (Firefox 109.0 (64-bit) via snap, Ubuntu 22.04, KDE):
In that example, my mouse was hovering over the icon with the yellow background.
No hover text on right-hand images for me on Linux either (Firefox 109.0 (64-bit) via snap, Ubuntu 22.04, KDE):
In that example, my mouse was hovering over the icon with the yellow background.