{"page":"/blog/identity-after-privacy-sandbox","modified":"2026-10-18","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Date","Decision","Chrome milestone","Source"],"rows":[["14 January 2020","Chrome announces a plan to make third-party cookies obsolete within two years","n/a","Chromium blog, 14 January 2020"],["24 June 2021","Phase-out pushed to late 2023","n/a","Google, 24 June 2021"],["27 July 2022","Phase-out pushed to second half of 2024","n/a","Google, 27 July 2022"],["4 January 2024","Tracking Protection restricts third-party cookies for 1% of users","Chrome 120","Google, 14 December 2023"],["23 April 2024","Google will not complete deprecation in 2024; cites CMA review","n/a","Privacy Sandbox blog, 23 April 2024"],["22 July 2024","\"New path\": a user-choice experience instead of deprecation","n/a","Privacy Sandbox blog, 22 July 2024"],["22 April 2025","No standalone prompt; current cookie settings stay; Incognito keeps blocking; IP Protection planned for Q3 2025","n/a","Privacy Sandbox blog, 22 April 2025"],["13 June 2025","CMA publishes notice of intention to release Google's commitments and a summary of third-party testing","n/a","CMA case page"],["17 October 2025","Google retires Topics, Protected Audience, Attribution Reporting, Private Aggregation (incl. Shared Storage), Related Website Sets, SelectURL, IP Protection, On-Device Personalization, Protected App Signals, SDK Runtime; keeps CHIPS, FedCM, Private State Tokens","n/a","Privacy Sandbox blog, 17 October 2025"],["17 October 2025","CMA releases Google's commitments; case closed","n/a","CMA case page"],["7 to 12 November 2025","blink-dev \"Intent to Deprecate and Remove: Topics API\" filed and approved with a six-milestone deprecation period","Target 144 to 150","blink-dev"],["13 January 2026","Chrome 144 stable: APIs deprecated","Chrome 144","Chromium Dash"],["11 June 2026","blink-dev status update: Topics deprecated in 144, removal planned in 150, usage 4.9% of page loads","Chrome 150","blink-dev"],["30 June 2026","Chrome stable milestone corresponding to the earlier Topics removal target; this date alone does not confirm removal","Chrome 150","Chromium Dash"],["8 September 2026","Later release notes list deprecation and removal for Protected Audience, Attribution Reporting, Shared Storage and Related Website Sets","Chrome 153 release notes","Chrome for Developers, 8 September 2026"],["14 August 2026","Privacy Sandbox status page last updated; Topics, Protected Audience, Attribution Reporting, Private Aggregation, Shared Storage and Related Website Sets listed under \"intent to deprecate and remove\" with no milestone shown; Android counterparts \"scheduled for phaseout\"","n/a","Privacy Sandbox status"]],"sourceUrls":[["https://blog.chromium.org/2020/01/building-more-private-web-path-towards.html"],["https://blog.google/products/chrome/updated-timeline-privacy-sandbox-milestones/"],["https://blog.google/products/chrome/update-testing-privacy-sandbox-web/"],["https://blog.google/products/chrome/privacy-sandbox-tracking-protection/"],["https://privacysandbox.google.com/blog/update-on-the-plan-for-phase-out-of-third-party-cookies-on-chrome"],["https://privacysandbox.google.com/blog/privacy-sandbox-update"],["https://privacysandbox.google.com/blog/privacy-sandbox-next-steps"],["https://www.gov.uk/cma-cases/investigation-into-googles-privacy-sandbox-browser-changes"],["https://privacysandbox.google.com/blog/update-on-plans-for-privacy-sandbox-technologies"],["https://www.gov.uk/cma-cases/investigation-into-googles-privacy-sandbox-browser-changes"],["https://groups.google.com/a/chromium.org/g/blink-dev/c/_R85yctz4Rs"],["https://chromiumdash.appspot.com/fetch_milestone_schedule?mstone=144"],["https://groups.google.com/a/chromium.org/g/blink-dev/c/_R85yctz4Rs"],["https://chromiumdash.appspot.com/fetch_milestone_schedule?mstone=150"],["https://developer.chrome.com/release-notes/153"],["https://privacysandbox.google.com/overview/status"]]}