@mntmn @martijnbraam then we're having a collective hallucination or some sort of a misunderstanding.
for me, the pad the mouse was over when i started moving is most certainly what ends up aligned with the grid even if the footprint's (0,0) does not
i don't remember it always being that way, but in 7.x and 8.x it seems to be the case
(or maybe there's a configuration knob some of us have flipped?)