Web platform features explorer - Shared storage locks

This feature is discouraged — Following the announcement that Chrome will maintain its current approach to third-party cookies, Chrome decided to withdraw certain Privacy Sandbox features including shared storage locks.

For more information, see: https://groups.google.com/a/chromium.org/g/blink-dev/c/uh5Ke6qyegc , https://chromestatus.com/feature/5076349064708096

The withLock option to set(), append(), delete(), clear(), and batchUpdate() methods of the sharedStorage API prevents duplicate reporting from cross-site race conditions.

Status

Discouraged

MDN documentation

No MDN documentation found.

Specifications

Shared Storage API (#web-locks-integration), from Web Platform Incubator Community Group (W3C).

Browser support

Chrome 134 Released on 2025-03-04
Chrome Android 134 Released on 2025-03-04
Edge 134 Released on 2025-03-06
Firefox ❌
Firefox for Android ❌
Safari ❌
Safari on iOS ❌

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist