Thanks Russ.
LGTM to extend another 3 milestones. I would like to see draft
specifications and progress on making this testable via WPTs, at the
very least, before any further extensions are requested.
On 4/12/24 2:52 PM, Russ Hamilton wrote:
To follow up on my previous email, I’d like to add some more details
to clarify the state and progress of the Origin Trial:
In the past 6 months the server has added support for event-level
reporting, multiple coordinators, currencies, multi-seller auctions,
and hybrid on-device/on-server Protected Audience auctions. We've made
20+ changes to Chrome in the past 6 months to support new features for
Bidding and Auction Services and address issues discovered during
testing.
The discussions needed to begin the specification work represent
significant progress relative to where we were before, as now we have
a plan and work has started on implementation.
The TAG review for Protected Audience finished in February.
Although we haven't heard from Webkit
<https://github.com/WebKit/standards-positions/issues/158>or Gecko
<https://github.com/mozilla/standards-positions/issues/770>, Microsoft
has proposed their Ad Selection API
(https://github.com/WICG/privacy-preserving-ads/tree/main
<https://github.com/WICG/privacy-preserving-ads/tree/main>) as a
similar TEE on-server auction API. That API looks like it would have
an identical Web Platform API as the Bidding and Auction Services API.
We have biweekly meetings with Microsoft, and are open to
collaborating on specifying the API.
Although we don't have WPT, we have been working on integration
testing with the existing implementation. Also, there is a substantial
barrier to writing effective WPTs in our case due to the use of Hybrid
Public Key Encryption (HPKE) in sending requests and responses. That
said, we are thinking about ways to extend WPTs to make it possible to
improve test coverage.
On Fri, Apr 12, 2024 at 1:24 PM Mike Taylor <miketa...@chromium.org>
wrote:
Russ and I had a conversation offline about the progress here -
mind summarizing, Russ?
On 4/9/24 4:12 PM, Russ Hamilton wrote:
Specification
We are just beginning writing the spec. We're drafting a
WICG spec for the browser components and an IETF spec for the
server interface.
TAG review
For Protected Audience:
https://github.com/w3ctag/design-reviews/issues/723
<https://github.com/w3ctag/design-reviews/issues/723>.
TAG review status
Completed for Protected Audience, resolved unsatisfied.
Interoperability and Compatibility
Gecko & WebKit: No signal on parent proposal, Protected Audience.
Asked in the Mozilla forumhere
<https://github.com/mozilla/standards-positions/issues/770>, and
in the Webkit forum here
<https://github.com/WebKit/standards-positions/issues/158>.
*WPT Tests*
*
*
We have not started on WPT tests for this feature.
On Mon, Apr 8, 2024 at 11:40 AM Mike Taylor
<miketa...@chromium.org> wrote:
Hi Russ,
Could you summarize progress on the following, per the
extension process:
Draft spec (early draft is ok, but must be spec-like and
associated with the appropriate standardization venue, or WICG)
TAG review
bit.ly/blink-signals <http://bit.ly/blink-signals> requests
Outreach for feedback from the spec community
WPT tests
I recognize some of this is touched on in your email - but
having it explicitly in one spot would be helpful, thanks.
On 4/4/24 12:19 PM, 'Russ Hamilton' via blink-dev wrote:
Contact emails
pauljen...@chromium.org, behamil...@google.com
Explainer
Chrome:
https://github.com/WICG/turtledove/blob/main/FLEDGE_browser_bidding_and_auction_API.md
<https://github.com/WICG/turtledove/blob/main/FLEDGE_browser_bidding_and_auction_API.md>
Services:
https://github.com/privacysandbox/fledge-docs/blob/main/bidding_auction_services_api.md
<https://github.com/privacysandbox/fledge-docs/blob/main/bidding_auction_services_api.md>
Note that this explainer has a helpful onboarding section
<https://github.com/privacysandbox/fledge-docs/blob/main/bidding_auction_services_api.md#onboarding-and-alpha-testing-guide>for
setting up the services.
Specification
Influenced by Origin Trial feedback, so work has just
started. Protected Audience auctions running on Bidding &
Auction Services provide functionality very similar to
existing on-device auctions so much of the existing spec
<https://wicg.github.io/turtledove/>applies.
Summary
We propose extending the Bidding and Auction Services origin
trial currently operating on 1% stable. We have decided to
extend the experiment given developers need more time to
onboard and to keep experimenting with new features. We
would like to request extending the end milestone from M124
to M127.
Blink component
Blink>InterestGroups
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EInterestGroups>
TAG review
For Protected Audience:
https://github.com/w3ctag/design-reviews/issues/723
<https://github.com/w3ctag/design-reviews/issues/723>
TAG review status
Completed for Protected Audience, resolved unsatisfied.
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/4649601971257344
<https://chromestatus.com/feature/4649601971257344>
Links to previous Intent discussions
Intent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABQTWrnSdvf7RgK2wxsmC6rWc8eRoqDZOvgwVFuEx1r2nqmAJg%40mail.gmail.com
<https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABQTWrnSdvf7RgK2wxsmC6rWc8eRoqDZOvgwVFuEx1r2nqmAJg%40mail.gmail.com>
Intent to Experiment:
https://groups.google.com/a/chromium.org/g/blink-dev/c/2bwMHd3Yz7I
<https://groups.google.com/a/chromium.org/g/blink-dev/c/2bwMHd3Yz7I/m/BwMKwPP6GQAJ>
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