[Note: I know they just announced that 25.2 is available for download, but Creative Cloud just gave me 25.3, so I'm not really sure what's going on (and maybe I'm not the only one)]
Version: 25.3.0 (Build 71)
Platform: Windows 11
Steps to reproduce: Hold mouse over composition window, hold down Alt and turn scroll wheel
Expected result: Composition window zooms centred on mouse cursor location
Actual result: Composition window zooms centred on centre of window
For the 3-4 years I've been using AE, I've been holding down Alt and scrolling my mouse wheel in order to zoom toward whatever my mouse cursor is hovering over, both in the Composition window and in the Timeline.
But after I updated to 25.3 yesterday, in the Composition window, Alt+Wheel now zooms in and out on the centre of the window and the Wheel without a keyboard modifier zooms in and out at the cursor point (which I only discovered by experimentation).
But the Timeline zoom control hasn't changed: it still uses Alt+Wheel to zoom at the cursor point. (The scroll wheel with no keyboard modifier does nothing at all in the Timeline).
So, besides changing a long-standing keyboard/mouse shortcut for no apparent reason*, there are now two different ways to do the same thing in different places, which is very poor UX design. I now have to think about where my cursor is and remember to use/not use Alt based on that. This will waste much more time than having to use the Alt key ever did, and cause much more distraction than just leaving things as they were.
I'm hoping there's a way to change this, but I really feel that this should not be the default behaviour. If it's going to be, then they need to change the Timeline (and everywhere else that scrolls with the mouse wheel) to match.
*Yes, I default to zooming based on mouse location, and I'm sure many others do too, but holding down Alt is neither difficult nor time-consuming