As you might have seen starting this October 2021, on your standard view, the jump bar (the bar with the alphabet letter at the bottom of a grid view) went MIA. Weird, eh?
If you’re not really sure, this is what I’m referring to:
Turns out the default control does not include this, and you have to switch your control to the Power Apps Grid Control, then enable this component.
Julie has a video posted on 365.training on how to “bring Sally back”, and you can watch it here:
Hope this helps! Thanks Julie for putting this out promptly.