Whoa! Since 2024, Chrome, Firefox, and Safari all seem to now allow you to tab to divs with scrollable contents. This is a big (and welcomed!) change, since prior to this a developer had to conditionally add tab logic based on scroll behavior developer.chrome.com/blog/keyboar... How cool!

Keyboard focusable scrollers  |  Blog  |  Chrome for Developers

A change is rolling out to make scrollers without tabindex value set and with no focusable children keyboard focusable.

developer.chrome.com