What is the latest service now user interface and when it was released?

[Simon Hendery]

If you mean the latest family release, it was Vancouver, released last September:

https://docs.servicenow.com/bundle/vancouver-release-notes/page/release-notes/family-release-notes.h...

[saivishwaja val]

Currently ServiceNow is using Next UI from San Diego release. Before it used to be UI 16 there is a system property which can be used to enable/disable.

Please mark correct if I'm able to answer your query.