I also get disappointed if I am to experience the same, @pennyd.

I can see that you've been able to create bills quickly recently just by tabbing. Knowing that this had beneficially increased productivity, I've also submitted my feedback about this experience to show my support for my past users a month ago. Please know that these recent changes may have come to improve the design and system navigation due to other users' previous feedback.

Since you have already submitted your feedback, consider checking the QuickBooks Online Apps center to look for a third-party application to help you enter bills swiftly for now.

You can reference this guide to slightly boost your navigation about the shortcuts available in the system: Keyboard shortcuts for QuickBooks Online.

Please let me know if you have some hurdles with recording other transactions. I'm still here to help. Take care always.