[soperj]

Wordpress is doing it as a minor release, and backporting it. So it'll be opt-in to floc for all wordpress sites.

[lioeters]

I hope they do decide to add the HTTP header to disable FLoC by default, unless site admins specifically opt in. From the discussion I've seen, it hasn't been decided for sure yet.

Proposal: Treat FLoC like a security concern - https://make.wordpress.org/core/2021/04/18/proposal-treat-fl...

Consider implications of FLoC and any actions to be taken on the provider (WordPress) front - https://core.trac.wordpress.org/ticket/53069