@ckz8780 Welcome to the forum!
As @DenBesten already mentioned, Feature Requests (FRs) should be about (more or less) one thing only, to make it possible to count votes in a meaningful way. (otherwise, with different requests at once, it wouldn’t be clear what a vote would actually mean) Therefore, I just closed this FR (with a 5-day-delay).
As you @ckz8780 already mentioned, “Filtering” is covered by this FR: Inline autofill menu: ability to filter items (by typing / "searching")
And “Resizing” might be covered by this FR: Inline autofill menu: show more items in the list (without having to scroll)
So, I would suggest, if you want to create a new FR, to make it about “Customization”… (and/or, if you see the need, feel free to create further FRs, if there aren’t already existing one’s - but again: FRs always about more or less one thing only…)