Browser compatibility source
- Operator
- MDN Web Docs Open Web Docs community project
- Package
@mdn/browser-compat-data8.0.7- Package timestamp
- 17 July 2026
- Licence
- CC0 1.0 Universal
- Selected paths
- 36
- Schema fingerprint
ebad2f9787d9e115700d562ee122e62ba9116b04888263ebdaf922464b36b092
View MDN Browser Compatibility Data
Cross-browser availability source
- Operator
- W3C WebDX Community Group
- Package
web-features3.34.1- Licence
- Apache License 2.0
- Use
- Exact compatibility-path associations and Baseline status metadata
Public browser-test source
- Operator
- Web Platform Tests contributors
- Repository
web-platform-tests/wpt- Reviewed revision
af38980d2fcd74af19a226f5f651051cc15940ed- Licence
- BSD 3-Clause
- Use
- 30 project-authored control-to-suite mappings
View the reviewed Web Platform Tests revision
Information kept in the public site
- Selected feature paths, source files, MDN and specification URLs.
- Support statements for Chrome, Edge, Firefox, Safari, Chrome for Android, Firefox for Android, Safari on iOS, Android WebView, and Samsung Internet.
- Version added, removed, or last supported.
- Partial implementation, flags, prefixes, alternative names, and bounded notes.
- Browser release status and dates needed for explicit baseline selection.
- Exact WebDX feature associations and Baseline status and dates where available.
- BCD version, Web Platform Features version, package timestamp, catalogue version, and schema fingerprint.
Information not copied into the public site
- The complete BCD dataset.
- The complete Web Platform Features dataset.
- WPT test bodies, expectations, logs, or wpt.fyi result data.
- MDN article prose or diagrams.
- Website observations, user-agent strings, visitor profiles, or analytics.
- Market-share data or project-authored browser policy defaults.
Machine-readable contracts
Draft 2020-12 JSON Schemas are generated from the same runtime contracts used by the website and command-line checks. They support editor validation and continuous-integration tooling. Runtime validation still applies cross-field rules that JSON Schema cannot fully express.
- Browser policy profile JSON Schema
- Evidence policy profile JSON Schema
- Reduced evidence report JSON Schema
- Decision packet JSON Schema
- Schema manifest
How the licences apply
ControlCurrent source code is licensed under MIT. The selected BCD-derived data remains available under CC0, and selected Web Platform Features metadata remains under Apache-2.0. The WPT path registry is project-authored and links to BSD-3-Clause source. The project licence does not relicense upstream data, specifications, tests, results, or linked documentation.