This looks like a fairly minor improvement to the API. It seems like the change would allow more contributions without increasing performance concerns. Please let me know if there are any subtleties that I may have missed.
LGTM1 Thanks, Vlad On Fri, Aug 16, 2024 at 5:50 PM Alex Turner <ale...@chromium.org> wrote: > Contact emailsale...@chromium.org > > Explainer > https://github.com/patcg-individual-drafts/private-aggregation-api/pull/135 > > Specification > https://github.com/patcg-individual-drafts/private-aggregation-api/pull/136 > > Summary > > Modifies the Private Aggregation API to merge histogram contributions with > the same bucket and filtering ID before embedding in the aggregatable > report's encrypted payload. Private Aggregation imposes a limit on the > number of contributions that can be embedded in a single aggregatable > report, with any additional contributions being dropped. By merging > together contributions where possible, we can get additional utility out of > the limit. Note that, ignoring the dropping of excess contributions, > merging these sorts of contributions should not have any impact on the > final outputs (i.e. summary reports). > > > Blink componentBlink>PrivateAggregation > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EPrivateAggregation> > > TAG reviewhttps://github.com/w3ctag/design-reviews/issues/846 (We have > not requested a signal for these changes specifically.) > > TAG review statusPending > > Risks > > > Interoperability and Compatibility > > None > > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/805) We have not > requested a signal for this change specifically. The Gecko position on > Shared Storage (one of the ways Private Aggregation is exposed) is negative. > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/189) We have not > requested a signal for this change specifically. > > *Web developers*: Positive ( > https://github.com/patcg-individual-drafts/private-aggregation-api/issues/81 > ) > > *Other signals*: > > WebView application risks > > Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications? > > None > > > Debuggability > > No new debug capabilities beyond the existing internals page > (chrome://private-aggregation-internals) and temporary debug mode. These > capabilities will reflect the merged contributions. > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)? > > 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 > > Flag name on chrome://flagsNone > > Finch feature namePrivateAggregationApiContributionMerging > > Requires code in //chrome?False > > Tracking bughttps://crbug.com/349980058 > > Launch bughttps://launch.corp.google.com/launch/4333118 > > Estimated milestones > Shipping on desktop 129 > Shipping on Android 129 > > Anticipated spec changes > > None > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5094168719523840?gate=5075771428438016 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > 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 on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAA%2BBiFk8hn%3DnCSBg8pf7naZGqHgd8-DpOv7v0q4YokycSMG7xA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAA%2BBiFk8hn%3DnCSBg8pf7naZGqHgd8-DpOv7v0q4YokycSMG7xA%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 on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2PTcqDG6uQ7HZS8ofCbMxgOw%3DrdQZ7Bj3xERYQStJS%3Dsw%40mail.gmail.com.