Why would FLoC interest-cohort browser policy block Topics API?

patcg-individual-drafts / topics

The Topics API

https://patcg-individual-drafts.github.io/topics/

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Why would FLoC interest-cohort browser policy block Topics API? #318

Open relevance-api-topics opened 2 weeks ago

relevance-api-topics commented 2 weeks ago

Looks like browser interest-cohort setting could block Topics API, is this as expected? Thanks.

xyaoinum commented 2 weeks ago

Yes this is expected. Topics API is an evolution from FLoC. It honors FLoC's permissions policy. (Per the explainer: "Note: The old Permissions-Policy: interest-cohort=() from FLoC will also forbid topic calculation.")