I frequently use "zoom to page width" when reading PDFs so that I can use the left/right arrow keys to move forward and backward whole pages (vertical scrolling).

However, if the PDF has pages of different width, the zoom to page width seems to focus on the current page. If that page is the widest of the PDF, then the arrow keys will work for moving forward and backward pages. If not, then the arrow keys will move the page left and right and I will have to redo the zoom after finding the widest page in order for the left/right keys to scroll whole pages.

This is even more of an issue because when plugging into and out of an external monitor (on macOS 12.6 at least), the windows experience a resize and zoom to page width gets executed again. If I'm on a narrower page of the PDF, I can't scroll again and have to repeat the steps of finding the widest page and zooming to width.