[prime17569]

This might be different based on model. On a MacBook Pro (Retina, 13-inch, Early 2015) with macOS 12.6.3, the cursor initializes in the top-left at bootup.

I think this started with Monterey, because on Big Sur and earlier, it always initialized in the center.

Correct me if I'm wrong, but I believe NeXTSTEP also initialized the cursor close to the top-left corner. So this might either be an homage to NeXTSTEP (similar to how the Clarus dogcow has reappeared in macOS Ventura), or a bug. My bet is on the latter.

[fredoralive]

IIRC classic Mac OS also puts the cursor top left at startup.

I have to admit "where the mouse cursor is at startup" is a very minor niggle for myself, as I rarely restart / shut down computers and the password field for the last user is usually selected and will take typing by default anyway (or after Ctrl-Alt-Del on Windows, if you're old school and turn that on). After sleep modes it could be anywhere, so you're going to be reorientating yourself anyway...

[rad_gruchalski]

No clue. I remember that on Leopard and Snow Leopard it used to be top left corner but I stopped paying attention and now it shows up in the center of a primary screen.