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Attribution Reporting Feature Bundle: Reduced Aggregate Delays, Event-Level Report Epsilon Field, Reserved Keys

Category
Miscellaneous
Type
New or changed feature
Status
Proposed (Chrome Proposed)
Intent stage
None

Summary

We plan on landing the following changes to the Attribution Reporting API focused on: * reducing transmission loss by supporting reduced aggregate report delays * additional API configurability by supporting an event-level reporting epsilon field * improved extensibility of the API by failing registrations when encountering reserved keys

Motivation

Based on a combination of ecosystem feedback and to improve transmission loss, API configurability, and ergonomics.

Standards & signals

Explainers: https://github.com/WICG/attribution-reporting-api/pull/1114 https://github.com/WICG/attribution-reporting-api/pull/1097 https://github.com/WICG/attribution-reporting-api/pull/967

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