The new VU Collaborate Quiz creation experience is enabled as an opt-in feature. It brings the Quiz tool in line with the recent enhancements to the Assessment Dropbox create/edit interface.
You can (A) leave it on, (B) Turn it off, and you will be able to (C) switch between the old and new interface as desired (no formal cut-off date has yet been set).
Learn more: Creating a Quiz using the New Interface
