API status and feature releases

Each of the Privacy Sandbox proposals are in varied stages of the development process. Within each proposal, there are individual features that have different expected availability.

To review the latest information on any proposal or API, visit the respective overview documentation and the Privacy Sandbox timeline.

# Attribution Reporting

• The Attribution Reporting proposal is now approaching launch for scaled adoption. Raise questions and follow discussion.
• Discuss industry use cases in the Improving Web Advertising Business Group.
• Blink status
• Attribution Reporting Chrome platform status: Specific to this API on Chrome.
• Ads API Chrome platform status: A collection of APIs to facilitate advertising: FLEDGE, Topics, Fenced Frames and Attribution Reporting.

Keep track of the API changes and learn why we plan to ship the Attribution Reporting API in the first half of 2023.

# Bounce tracking mitigations

• The Bounce tracking mitigations proposal has entered public discussion.
• Chrome platform status.
• This proposal has not been implemented in any browser.

# CHIPS

• Chrome platform status
• An origin trial was available from Chrome 100 to 106.
• Read the Intent to Experiment and Intent to Ship.

# Federated Credential Management API (FedCM)

• Chrome Platform Status
• FedCM shipped in Chrome 108.
• The FedCM proposal is open for public discussion.
• FedCM isn't supported in other browsers yet.
  • Mozilla is implementing a prototype for Firefox and Apple has expressed general support and interest in working together on the FedCM proposal.

# Fenced Frames

• The Fenced Frames proposal is now in experimentation.
• Experiment with fenced frames in the Privacy Sandbox unified origin trial from M102 to M107. Learn how to set up the origin trial and join us for a feedback/discussion.
• This feature is available behind a Chrome flag.
• Chrome Platform Status

# First-Party Sets

• First-Party Sets is in incubation in WICG
• The first origin trial ran from Chrome 89 to 93.
• Chrome Platform Status.
• Blink status.
• Chromium Projects
• First-Party Sets submission guidelines

# FLEDGE

Descendant of TURTLEDOVE.

• The FLEDGE proposal is now approaching launch for scaled adoption. Raise questions and follow discussion.
• FLEDGE status of pending capabilities details changes and enhancements to the FLEDGE API and features.
• Blink status
• FLEDGE Chrome platform status: Specific to the FLEDGE API on Chrome.
• Ads API Chrome platform status: A collection of APIs to facilitate advertising: FLEDGE, Topics, Fenced Frames and Attribution Reporting.

To be notified of status changes in the API, join the mailing list for developers.

# IP Protection

• The IP Protection proposal has entered public discussion.
• This proposal has not been implemented in any browser.

# Private Aggregation API

• The Private Aggregation API has entered public discussion.
• The Private Aggregation API is available for testing in the Privacy Sandbox Unified Origin Trial in Chrome M107+ Beta.
  • The sendHistogramReport() function is available in Chrome M107+ Canary, Dev, and Beta.
  • The reportContributionForEvent() function is available in Chrome M113+ Canary and Dev.
• See the Chrome platform status page page to see the API’s current stage.

# Private State Tokens

• Chrome Platform Status.
• In origin trial Chrome 84 to 101: now closed.
• Demo: while this no longer works, as the origin trial is closed, you can still view the code.
• Chrome DevTools integration.

# Topics API

• The Topics API proposal is now approaching launch for scaled adoption.
• Topics is currently available in an origin trial.
• To provide your feedback on the Topics API, create an Issue on the Topics explainer or participate in discussions in the Improving Web Advertising Business Group. The explainer has a number of open questions that still require further definition.
• Topics API latest updates details changes and enhancements to the Topics API and implementations.
• Topics Chrome platform status: Specific to the Topics API on Chrome.
• Ads API Chrome platform status: A collection of APIs to facilitate advertising: FLEDGE, Topics, Fenced Frames and Attribution Reporting.

• Intent to Experiment and Intent to Prototype.

# User-Agent reduction and Client Hints (UA-CH)

Limit passively shared browser data to reduce the volume of sensitive information which leads to fingerprinting.

• Overview of User-Agent reduction
• Origin trial Chrome 95 to 103
• Deprecation trial Chrome 103 to Chrome 112
• Chrome DevTools integration
• Review the UA-CH Chrome platform status

User-Agent Client Hints API documentation is available on MDN.

# Shared Storage

• The Shared Storage proposal has entered public discussion.
• A live demo is available, as is testing:
  • URL selection output gate is available for local testing from Chrome M105+.
  • Private Aggregation output gate is available for local testing from Chrome M107+.
  • Measurement with the Private Aggregation API is available in the Privacy Sandbox Unified Origin Trial from Chrome M107+ Beta.
• Chrome platform status

# Find out more

# Blink, Chromium, and Chrome

• What are Chrome release channels?
• Chrome release schedule
• Process for launching new features in Chromium
• Intent to explain: Demystifying the Blink shipping process
• blink-dev: implementation status and discussion of features in Blink, the rendering engine used by Chromium
• Chromium code search
• What are Chrome flags?

# Origin trials

• Get started with Chrome's origin trials
• Third-party origin trials
• Troubleshoot origin trials