So for explainer it's https://github.com/WICG/turtledove/blob/main/FLEDGE_extended_PA_reporting.md#per-participant-metrics
For the spec, it's not really a separate section. Most relevant is handling of reserved.once in https://wicg.github.io/turtledove/#process-the-private-aggregation-contributions-for-an-auction and the cases starting from "average-code-fetch-time" in https://wicg.github.io/turtledove/#determine-a-signals-numeric-value, but there is a lot of wiring and dataflow that goes into that, so I don't know how helpful these highlights are on their own. On Mon, Jan 20, 2025 at 8:46 AM Yoav Weiss (@Shopify) < yoavwe...@chromium.org> wrote: > > > On Fri, Jan 17, 2025 at 2:42 PM Paul Jensen <pauljen...@chromium.org> > wrote: > >> Contact emails pauljen...@chromium.org >> >> >> Explainer >> >> https://github.com/WICG/turtledove/pull/1272 >> Specification >> >> https://github.com/WICG/turtledove/pull/1321 >> >> https://github.com/WICG/turtledove/pull/1328 >> >> https://github.com/WICG/turtledove/pull/1341 >> >> https://github.com/WICG/turtledove/pull/1349 >> >> https://github.com/WICG/turtledove/pull/1353 >> > > Similar to past intents, please avoid sending PR diffs as your > explainer/spec and link to the relevant spec/explainer sections instead. > > >> >> Summary >> >> There have been industry requests to add various resource >> usage/performance metrics to Protected Audience, to be reported via Private >> Aggregation ([1], [2], [3]), and earlier feedback on similar features >> suggesting that it's important to report these once per auction. To address >> it, a new reporting event keyword "reserved.once" is added to address >> report timing, and new baseValue keywords are added to provide various >> resource usage/performance metric values. >> >> This launch adds this new support to on-device auctions. We anticipate >> extending this support to auctions run on Bidding and Auction Services in >> the future, and do not anticipate additional risk from that extension. >> >> [1] >> https://github.com/patcg-individual-drafts/private-aggregation-api/issues/119 >> >> [2] https://github.com/WICG/turtledove/issues/1151 >> >> [3] https://github.com/WICG/turtledove/issues/1170 >> >> >> 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 >> >> For Private Aggregation: >> https://github.com/w3ctag/design-reviews/issues/846 >> >> >> TAG review status >> >> Completed for Protected Audience, resolved unsatisfied. >> >> For Private Aggregation: declined. >> >> >> Risks >> >> >> Interoperability and Compatibility >> >> Optional new functionality that does not break existing use. >> >> >> 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. The >> services protocol is currently being extended to support Private >> Aggregation >> <https://groups.google.com/a/chromium.org/g/blink-dev/c/5CZ9X8htGeg/m/2uU5ve7qBAAJ> >> . >> >> >> Web developers: Requested by several developers, see [1] [2] [3] above. >> >> >> WebView application risksNot exposed to WebView. >> >> Debuggability >> >> Private Aggregation provides a debug mode which makes generated reports >> inspectable. >> >> >> 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 to the extent possible — tests of resource usage metrics can only >> verify bounds, not exact values. >> >> >> Flag name on about://flags >> >> None >> >> >> Finch feature name >> >> PrivateAggregationApiProtectedAudienceAdditionalExtensions >> >> >> Requires code in //chrome? >> >> False >> >> >> Estimated milestones >> >> Stable launch in M132. >> >> >> Anticipated spec changes >> >> None >> >> >> Link to entry on the Chrome Platform Status >> >> https://chromestatus.com/feature/4515723416961024?gate=6567874628681728 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to blink-dev+unsubscr...@chromium.org. >> To view this discussion visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABQTWrnbtqLi1eP303dAdg4qDWANPRo-VYX6dL1ftNUewzn-yw%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABQTWrnbtqLi1eP303dAdg4qDWANPRo-VYX6dL1ftNUewzn-yw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to blink-dev+unsubscr...@chromium.org. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSK_Br%3Dy80dhGpihdo28sZfout8b8f_zaSdpqpbmBOGCPg%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSK_Br%3Dy80dhGpihdo28sZfout8b8f_zaSdpqpbmBOGCPg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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