I love that ServiceNow has completely broken the back/forward behavior in its own unique way.
Yes, many other sites also break this navigation, but SN takes it to a whole other level.
Want to open and edit multiple records in different tabs? You're a braver soul than I. Better also double check what record you go back to when you click Update. Which is of course different to when you right click and choose Save.
What comes after UI16 for user interface design? Well, UIB, of course. UI16 still looks straight out of 2016.