LGTM2
On 3/26/25 11:56 AM, 'Russ Hamilton' via blink-dev wrote:
Yes, it's just a performance/ergonomics change. Developers could
previously get the same effect by calling the existing API multiple times.
On Wed, Mar 26, 2025 at 11:35 AM Chris Harrelson
<chris...@chromium.org> wrote:
Sounds fine - a performance and ergonomics optimization for
developers only, right?
LGTM1
On Tue, Mar 25, 2025 at 12:01 PM 'Russ Hamilton' via blink-dev
<blink-dev@chromium.org> wrote:
Explainer
https://github.com/WICG/turtledove/blob/main/FLEDGE_browser_bidding_and_auction_API.md#device-orchestrated-multi-seller-auctions
<https://github.com/WICG/turtledove/blob/main/FLEDGE_browser_bidding_and_auction_API.md#device-orchestrated-multi-seller-auctions>
https://github.com/WICG/turtledove/pull/1403
<https://github.com/WICG/turtledove/pull/1403>
Specification
https://wicg.github.io/turtledove/#getInterestGroupAdAuctionData
<https://wicg.github.io/turtledove/#getInterestGroupAdAuctionData>
https://github.com/WICG/turtledove/pull/1389
<https://github.com/WICG/turtledove/pull/1389>
Summary
Add support for navigator.getInterestGroupAdAuctionData to
return the encrypted B&A request payload for multiple sellers
in a single call. This allows multiple sellers sharing a
single piece of on-page JavaScript to more efficiently run
Protected Audience advertisement selection auctions.
Blink component
Blink>InterestGroups
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EInterestGroups%22>
TAG review
For Protected Audience Bidding and Auction Services:
https://github.com/w3ctag/design-reviews/issues/1009
<https://github.com/w3ctag/design-reviews/issues/1009>
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 Bidding and Auction Services,
declined.
Completed for Protected Audience, resolved unsatisfied.
Risks
Interoperability and Compatibility
Optional new functionality that does not break existing use.
Gecko & WebKit: Negative
<https://github.com/mozilla/standards-positions/issues/770#issuecomment-2432124085>from
Mozilla for the parent proposal, Protected Audience Bidding
and Auction Services. No signal
<https://github.com/WebKit/standards-positions/issues/158#issuecomment-2432121278>from
Webkit on parent proposal, Protected Audience Bidding and
Auction Services.
Edge: Edge is running an Origin Trial of the Ad Selection API
<https://github.com/WICG/privacy-preserving-ads/blob/main/README.md>which
shares a Web API and services protocol with Protected Audience
and will also benefit from this extension.
Web developers: Requested here
<https://github.com/prebid/Prebid.js/issues/12456>
WebView application risks
Protected Audience not available in WebView
Debuggability
API is debuggable in DevTools - developers can step over the
API call and see the results.
Will this feature be supported on all six Blink
platforms (Windows, Mac, Linux, ChromeOS, Android, and
Android WebView)?
It will be supported on all platforms that support Protected
Audience, so all but WebView.
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
<http://github.com/web-platform-tests/wpt/blob/master/fledge/tentative/get-interest-group-auction-data.https.window.js#L625>
Flag name on about://flags
None
Finch feature name
FledgeBiddingAndAuctionServerAPIMultiSeller
Requires code in //chrome?
False
Estimated milestones
Shipping on desktop
134
Shipping on Android
134
Anticipated spec changes
No anticipated spec changes.
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5167187989626880?gate=5069253138710528
<https://chromestatus.com/feature/5167187989626880?gate=5069253138710528>
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