Could you please request the various review bits in your chromestatus entry?
On 11/22/24 3:45 PM, 'Russ Hamilton' via blink-dev wrote:
Contact emails
pauljen...@chromium.org, behamil...@google.com
Explainer
For the Protected Audience feature that this extends to Bidding and
Auction Services:https://github.com/WICG/turtledove/pull/1095
<https://github.com/WICG/turtledove/pull/1095>
Specification
Web platform:https://github.com/WICG/turtledove/pull/1294
<https://github.com/WICG/turtledove/pull/1294>.
Services protocol:
https://github.com/privacysandbox/draft-ietf-bidding-and-auction-services/pull/12
<https://github.com/privacysandbox/draft-ietf-bidding-and-auction-services/pull/12>
Summary
The Protected Audience API allows bidders to store information, called
an interest group, from a single site in the browser that can only be
read later in the context of an auction. Today, interest groups can be
updated by fetching new values from a server. We recently launched
<https://groups.google.com/a/chromium.org/g/blink-dev/c/eXJLbFAuSU8>a
feature that enables bidders to indicate a subset of interest groups
they’d like to update in the real-time signals response from the
bidders’ key-value servers. This proposal extends that capability to
include auctions run on a Trusted Execution Environment (TEE) based
server using Bidding and Auction Services by passing the list of
interest groups to be updated from the bidders' key-value servers back
to the browser in the encrypted response from Bidding and Auction
Services.
Blink component
Blink>InterestGroups
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EInterestGroups>
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>
TAG review status
Declined <https://github.com/w3ctag/design-reviews/issues/1009>
Risks
Interoperability and Compatibility
Feature represents optional new behavior that shouldn’t break existing
usage.
Gecko & WebKit: For Protected Audiences in general - Negative from
Mozilla
<https://github.com/mozilla/standards-positions/issues/770#issuecomment-2432124085>.
No signal from Webkit
<https://github.com/WebKit/standards-positions/issues/158#issuecomment-2432121278>.
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.
Web developers: Feature requested by Microsoft in GitHub issue
<https://github.com/WICG/turtledove/issues/729#issuecomment-1822190741>.
Debuggability
Updates show up in the Application -> Storage -> Interest Groups
DevTools pane.
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, Chrome OS, 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
<https://github.com/web-platform-tests/wpt/blob/master/fledge/tentative/server-response.https.window.js#L1033>
Flag name on chrome://flags
None
Finch feature name
EnableBandATriggeredUpdates
Requires code in //chrome?
False
Anticipated spec changes
No web-visible changes expected.
Estimated milestones
Shipping to all applicable platforms in M132.
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6305338270416896
<https://chromestatus.com/feature/6305338270416896>
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