E.Y.F.S.? that would be the most significant change of late. There are a variety of links to the framework, revised development matters and details for the now 7 areas of learning & elgs on this page of the site -
eyfs 2012
CRBs or the CRB is now the DBS -
homeoffice, although process & fees remains relatively the same. The
equality act 2010 is legislation that might have an impact on a setting's operations?
Don't be concerned :) children will explore and learn as the freedom & support to do so has always enabled, practices in the setting would change in smallish? ways. Each setting can be so different it depends what was happening prior to sept 2012.
Best wishes with any interview xx