Enabling the ARIA 1.2 IDL Interface in browsers

Can someone point me to where you can learn how to enable browsers to turn on their implementation of the ARIA 1.2 IDL interface:
https://w3c.github.io/aria/#idl-interface

Jon


Jon Gunderson, Ph.D., CPWA
Coordinator of Accessible IT Group
University of Illinois at Urbana/Champaign
1207 S. Oak Street
Champaign, IL 61820

www: https://go.illinois.edu/jongund