focus-without-user-activation feature policy

[siliu1]

Request for Mozilla Position on focus-without-user-activation feature policy

• Specification title: focus-without-user-activation feature policy
• Specification or proposal URL (if available): Feature Policy: focus-without-user-activation whatwg/html#4585. The spec PR needs to be updated to reflect default value of self.
• Explainer URL (if available): https://github.com/w3c/webappsec-permissions-policy/blob/main/policies/focus-without-user-activation.md
• Proposal author(s) (@-mention GitHub accounts): @siliu1 @clelland
• Caniuse.com URL (optional):
• Bugzilla URL (optional):
• Mozillians who can provide input (optional):
• WebKit standards-position: focus-without-user-activation feature policy WebKit/standards-positions#406

Other information

This issue is discussed during TPAC 2024 in webappsec and whatwg meeting.

The issue was resolved with proposed resolution:

RESOLVED: The default value of focus-without-user-activation feature policy should be self. Focus delegation should also be allowed (allow parent frame programmatically set focus into child iframe).