mdn/browser-compat-data
Oct 2024 – Jun 2025
9 Months active
Languages Used
JSONJavaScriptMarkdownTypeScriptYAMLjson
Technical Skills
Browser CompatibilityData CurationWeb StandardsAPI CompatibilityAPI DocumentationAPI Integration
Queen Vinyl Da.i'gyu-Kazotetsu
PROFILE
Queen Vinyl Da.i'gyu-kazotetsu
Vinyl Darkscratch enhanced the mdn/browser-compat-data repository by delivering over 100 new features and numerous data quality improvements in browser compatibility datasets. Over nine months, they expanded API and CSS property coverage, improved automation for data updates, and refined release management processes. Their work involved deep curation and normalization of compatibility data across Chrome, Edge, Firefox, and Safari, using TypeScript, JavaScript, and JSON. By integrating automated scripts and leveraging CI/CD workflows, Vinyl reduced manual maintenance and improved data accuracy. The result was a more reliable, up-to-date resource for developers, supporting faster, safer decisions in web standards and frontend development.
Overall Statistics
Feature vs Bugs
84%Features
Repository Contributions
253Total
Bugs
20
Commits
253
Features
105
Lines of code
47,392
Activity Months9
Work History
June 2025
2 Commits
Jun 1, 2025June 2025 monthly summary for the mdn/browser-compat-data repository, focused on data accuracy improvements in the browser compatibility dataset.
2 Commits
Jun 1, 2025June 2025 monthly summary for the mdn/browser-compat-data repository, focused on data accuracy improvements in the browser compatibility dataset.
June 2025
May 2025
16 Commits • 4 Features
May 1, 2025May 2025 performance summary for the mdn/browser-compat-data repository. Key features delivered include extensive Chrome 126+ compatibility data updates across multiple APIs (Topics: browsingTopics; Fence; SharedStorage; Canvascontext events: contextlost/contextrestored; ImageBitmap sourcing in drawImage; WebAssembly; EventTarget.addEventListener options). Also delivered Edge EventTarget compatibility data updates, and Firefox/Safari compatibility refinements across SVGDiscardElement, PushSubscriptionChangeEvent, AudioContext, CaretPosition (behind a flag), Error.captureStackTrace, and Element.attachShadow.serializable. A Release Script Quality Improvement was implemented to enhance formatting and consistency of release updates. These updates leverage mdn-bcd-collector data and collectively improve cross-browser coverage, data accuracy, and the efficiency of browser compatibility maintenance across teams.
May 2025
16 Commits • 4 Features
May 1, 2025May 2025 performance summary for the mdn/browser-compat-data repository. Key features delivered include extensive Chrome 126+ compatibility data updates across multiple APIs (Topics: browsingTopics; Fence; SharedStorage; Canvascontext events: contextlost/contextrestored; ImageBitmap sourcing in drawImage; WebAssembly; EventTarget.addEventListener options). Also delivered Edge EventTarget compatibility data updates, and Firefox/Safari compatibility refinements across SVGDiscardElement, PushSubscriptionChangeEvent, AudioContext, CaretPosition (behind a flag), Error.captureStackTrace, and Element.attachShadow.serializable. A Release Script Quality Improvement was implemented to enhance formatting and consistency of release updates. These updates leverage mdn-bcd-collector data and collectively improve cross-browser coverage, data accuracy, and the efficiency of browser compatibility maintenance across teams.
April 2025
62 Commits • 20 Features
Apr 1, 2025Summary for 2025-04 (mdn/browser-compat-data). Key features delivered: - Edge data updates for multiple APIs: HTMLCanvasElement, OfflineAudioContext, SVGElement.focus, WebGLRenderingContext, HTMLElement.contentEditable, Selection API, and SVGPathElement. Representative commits include 896e12610c9fb9c725f8d0ef9e575768c078db53, a96742b6873c08a7d331db457c4ffcc80e2ef5d0, 0a6f2ddb52e00a92078f5af6431a0c30bc638768, a8d313b805efdab36fa27b1a059e49cfb94da49e, 7c668dd2ec28d874986c307809b0a9d426cd2ec1, 4eaea5d25f81e992e7b8341380405722ef0db82e, 3466d7887a4083a6bdfb8eb4b42e14dd59e98038. - CSS property support data updates across browsers: vector-effect, baseline-shift, border-collapse, break-after, break-inside, color-interpolation, dominant-baseline, fill-opacity. Representative commits include e13ea1baba44035cf3be59cf4a30538029356201, 2805f21977ba3a103b869d0dcfe074e63422c19a, efce284d28f7bbbd6a1642ad7eb9b162b8909fd7, 3b681c39de8c9d1dab8ff05155207e4e31f2fa03, 0a9f2802cb55d85e128721895c52534499bbbc20, ec8c1c1bccc9af3f40e7fa4c0493b1871d8a0c14, 672b36439a581321985302bbd5ebcd945c8e0093, 17acb9a25bb6ce4634e87d625e7de92faa15d9f5. - CSS Property Additions across Browsers (Batch 2): new properties including fill-rule, fill, marker properties, shape-rendering, stop-color, stop-opacity, stroke properties, display: table-caption, text-anchor, clip: auto, background-position, border-image-repeat. Representative commits include 621951e08eba0efbc1f207cbe2dd106a3737880f, 0c364a89fc30cfff519d1369b77d3cdecc748fba, d01d7108570a57777451706d7827baf586866746, b7dbdfe4a1beffc3d7250378ad8d1e6aac64fba4, 72f6e1d1cc3a8a226723dcba529774c0adf62257, 470ec982a8785edf96a130e9121dedf0ebdeedc2, cae8e23dd903dcb95ec0fabb2e27f46b89b6a47a, dd0297bdec17eeef81637c81e9014ac99a6d02d7, d6414493b24c39c87688241eb8eeb9b84d79e249, 003faf6c30dbc459776d920d2b85dda3b80b14d2, 350976f736c4aa472a6160d33c29532652fcb652, a86e5750c538b825e5182eda368f694ad2958316. - Clip-path view-box support (Firefox and Safari): Firefox 54 added clip-path: view-box; Safari 13.1 added clip-path: view-box. Representative commits: 2f8f8c3a7decee9a3109ebd4c012d712eabd58a1, 10c8d60b8cbdcb118cdb7be6108a1cb6018af4e6. - Font-variant-* properties and font-synthesis property: Firefox and Safari added font-variant-alternates, font-variant-position, and font-synthesis. Representative commits: 67de153414582bad33a6b0cceb4782a6b532aa83, 158150f3df89b25895659a0ce59f388a65444a83, 5e0180799417418d83dabd8338686d9734d91968, c8642cef7f33bdf6612ebc64f456112fce15c1ba, 7608ba9b45b9d1431655985e7c1fda670382ba4a. Major bugs fixed: - Updated Edge/Chrome/Firefox data for correctness: api.MediaStreamTrack.applyConstraints, api.Range.collapse.toStart_parameter_optional, and text-orientation data corrections. Commits include 276d0a96d8a08600701f7e3dade2f840837dd5b6, 3bf672ade268306d18f78cd542221f35beaeb654, f5e726543dcfac21b5e4dd047451cd85c6ff4923. - Chromium mask-clip prefix bug fix: Chromimum doesn\'t support mask-clip without prefix. Commit: facc6cd8e4afaa683ff26116f5c5bb69aa0b26a7. - WebView ranges refactor: Replaced all WebView ranges with mirroring statements. Commit: 66cb2fe4460cd9e766aaa023895f27d138008ffa. Overall impact and accomplishments: - Significantly expanded and refined cross-browser compatibility data for Edge, Chrome, and Firefox, improving accuracy and reliability of compatibility information for developers. - Enabled more comprehensive CSS property coverage across major engines, supporting faster, safer UI/UX decisions in frontend projects. - Demonstrated robust data maintenance workflows, batch updates, and attention to browser-specific nuances, reducing data drift across releases. Technologies/skills demonstrated: - Data curation and normalization across browsers, commit-driven workflow, impact analysis, and quality assurance. - Collaboration across browser-compat datasets, version-controlled data modeling, and propagation of updates through large-scale data files. - Proficiency with CSS properties, Web Platform APIs, and browser compatibility semantics.
62 Commits • 20 Features
Apr 1, 2025Summary for 2025-04 (mdn/browser-compat-data). Key features delivered: - Edge data updates for multiple APIs: HTMLCanvasElement, OfflineAudioContext, SVGElement.focus, WebGLRenderingContext, HTMLElement.contentEditable, Selection API, and SVGPathElement. Representative commits include 896e12610c9fb9c725f8d0ef9e575768c078db53, a96742b6873c08a7d331db457c4ffcc80e2ef5d0, 0a6f2ddb52e00a92078f5af6431a0c30bc638768, a8d313b805efdab36fa27b1a059e49cfb94da49e, 7c668dd2ec28d874986c307809b0a9d426cd2ec1, 4eaea5d25f81e992e7b8341380405722ef0db82e, 3466d7887a4083a6bdfb8eb4b42e14dd59e98038. - CSS property support data updates across browsers: vector-effect, baseline-shift, border-collapse, break-after, break-inside, color-interpolation, dominant-baseline, fill-opacity. Representative commits include e13ea1baba44035cf3be59cf4a30538029356201, 2805f21977ba3a103b869d0dcfe074e63422c19a, efce284d28f7bbbd6a1642ad7eb9b162b8909fd7, 3b681c39de8c9d1dab8ff05155207e4e31f2fa03, 0a9f2802cb55d85e128721895c52534499bbbc20, ec8c1c1bccc9af3f40e7fa4c0493b1871d8a0c14, 672b36439a581321985302bbd5ebcd945c8e0093, 17acb9a25bb6ce4634e87d625e7de92faa15d9f5. - CSS Property Additions across Browsers (Batch 2): new properties including fill-rule, fill, marker properties, shape-rendering, stop-color, stop-opacity, stroke properties, display: table-caption, text-anchor, clip: auto, background-position, border-image-repeat. Representative commits include 621951e08eba0efbc1f207cbe2dd106a3737880f, 0c364a89fc30cfff519d1369b77d3cdecc748fba, d01d7108570a57777451706d7827baf586866746, b7dbdfe4a1beffc3d7250378ad8d1e6aac64fba4, 72f6e1d1cc3a8a226723dcba529774c0adf62257, 470ec982a8785edf96a130e9121dedf0ebdeedc2, cae8e23dd903dcb95ec0fabb2e27f46b89b6a47a, dd0297bdec17eeef81637c81e9014ac99a6d02d7, d6414493b24c39c87688241eb8eeb9b84d79e249, 003faf6c30dbc459776d920d2b85dda3b80b14d2, 350976f736c4aa472a6160d33c29532652fcb652, a86e5750c538b825e5182eda368f694ad2958316. - Clip-path view-box support (Firefox and Safari): Firefox 54 added clip-path: view-box; Safari 13.1 added clip-path: view-box. Representative commits: 2f8f8c3a7decee9a3109ebd4c012d712eabd58a1, 10c8d60b8cbdcb118cdb7be6108a1cb6018af4e6. - Font-variant-* properties and font-synthesis property: Firefox and Safari added font-variant-alternates, font-variant-position, and font-synthesis. Representative commits: 67de153414582bad33a6b0cceb4782a6b532aa83, 158150f3df89b25895659a0ce59f388a65444a83, 5e0180799417418d83dabd8338686d9734d91968, c8642cef7f33bdf6612ebc64f456112fce15c1ba, 7608ba9b45b9d1431655985e7c1fda670382ba4a. Major bugs fixed: - Updated Edge/Chrome/Firefox data for correctness: api.MediaStreamTrack.applyConstraints, api.Range.collapse.toStart_parameter_optional, and text-orientation data corrections. Commits include 276d0a96d8a08600701f7e3dade2f840837dd5b6, 3bf672ade268306d18f78cd542221f35beaeb654, f5e726543dcfac21b5e4dd047451cd85c6ff4923. - Chromium mask-clip prefix bug fix: Chromimum doesn\'t support mask-clip without prefix. Commit: facc6cd8e4afaa683ff26116f5c5bb69aa0b26a7. - WebView ranges refactor: Replaced all WebView ranges with mirroring statements. Commit: 66cb2fe4460cd9e766aaa023895f27d138008ffa. Overall impact and accomplishments: - Significantly expanded and refined cross-browser compatibility data for Edge, Chrome, and Firefox, improving accuracy and reliability of compatibility information for developers. - Enabled more comprehensive CSS property coverage across major engines, supporting faster, safer UI/UX decisions in frontend projects. - Demonstrated robust data maintenance workflows, batch updates, and attention to browser-specific nuances, reducing data drift across releases. Technologies/skills demonstrated: - Data curation and normalization across browsers, commit-driven workflow, impact analysis, and quality assurance. - Collaboration across browser-compat datasets, version-controlled data modeling, and propagation of updates through large-scale data files. - Proficiency with CSS properties, Web Platform APIs, and browser compatibility semantics.
April 2025
March 2025
29 Commits • 17 Features
Mar 1, 2025Concise monthly summary for 2025-03 focusing on key business value, technical achievements, and operational improvements. Highlights include feature parity across WebView, ImageData and postMessage APIs, and expanded runtime support across Deno, Firefox, and CSS data updates. Two targeted bug fixes improved BCD data accuracy and API surface correctness.
March 2025
29 Commits • 17 Features
Mar 1, 2025Concise monthly summary for 2025-03 focusing on key business value, technical achievements, and operational improvements. Highlights include feature parity across WebView, ImageData and postMessage APIs, and expanded runtime support across Deno, Firefox, and CSS data updates. Two targeted bug fixes improved BCD data accuracy and API surface correctness.
February 2025
32 Commits • 17 Features
Feb 1, 2025February 2025 performance summary for the mdn/browser-compat-data project. The month delivered a focused tooling refresh, broader historical context in data range, and extensive cross-platform API data updates that improve accuracy and coverage for developers relying on MDN compatibility data. No distinct bug fixes were required beyond ongoing data updates.
32 Commits • 17 Features
Feb 1, 2025February 2025 performance summary for the mdn/browser-compat-data project. The month delivered a focused tooling refresh, broader historical context in data range, and extensive cross-platform API data updates that improve accuracy and coverage for developers relying on MDN compatibility data. No distinct bug fixes were required beyond ongoing data updates.
February 2025
January 2025
4 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for mdn/browser-compat-data focusing on delivering business value through data accuracy, moderation improvements, and automation. Highlights cross-repo contributions, automation, and data quality enhancements that reduce manual effort and improve reporting.
January 2025
4 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for mdn/browser-compat-data focusing on delivering business value through data accuracy, moderation improvements, and automation. Highlights cross-repo contributions, automation, and data quality enhancements that reduce manual effort and improve reporting.
December 2024
44 Commits • 11 Features
Dec 1, 2024December 2024 monthly summary for the mdn/browser-compat-data repository. Delivered expanded browser-compat datasets across major engines, improved coverage for WebExtensions APIs and key CSS features, and tightened quality and automation processes. The work enhances developer experience by accelerating accurate feature discovery and reducing research time for browser compatibility.
44 Commits • 11 Features
Dec 1, 2024December 2024 monthly summary for the mdn/browser-compat-data repository. Delivered expanded browser-compat datasets across major engines, improved coverage for WebExtensions APIs and key CSS features, and tightened quality and automation processes. The work enhances developer experience by accelerating accurate feature discovery and reducing research time for browser compatibility.
December 2024
November 2024
62 Commits • 32 Features
Nov 1, 2024November 2024 monthly summary focusing on data updates, feature deliveries, and quality improvements for the mdn/browser-compat-data repository. Delivered key browser compatibility data enhancements, improved content rendering, and data integrity fixes that support faster, more reliable product decisions for developers and downstream consumers.
November 2024
62 Commits • 32 Features
Nov 1, 2024November 2024 monthly summary focusing on data updates, feature deliveries, and quality improvements for the mdn/browser-compat-data repository. Delivered key browser compatibility data enhancements, improved content rendering, and data integrity fixes that support faster, more reliable product decisions for developers and downstream consumers.
October 2024
2 Commits • 1 Features
Oct 1, 2024In October 2024, delivered data quality improvements for the MDN browser-compat-data project, focusing on iframe.allow compatibility data and Safari iOS/iPadOS Window.open accuracy. Implemented targeted data processing, normalization, and cleanup on the mdn/browser-compat-data repository to improve developer-facing accuracy and coverage, with traceable commits and clear ownership.
2 Commits • 1 Features
Oct 1, 2024In October 2024, delivered data quality improvements for the MDN browser-compat-data project, focusing on iframe.allow compatibility data and Safari iOS/iPadOS Window.open accuracy. Implemented targeted data processing, normalization, and cleanup on the mdn/browser-compat-data repository to improve developer-facing accuracy and coverage, with traceable commits and clear ownership.
October 2024
Activity
Loading activity data...
Quality Metrics
Correctness98.6%
Maintainability98.4%
Architecture97.8%
Performance97.6%
AI Usage20.2%
Skills & Technologies
Programming Languages
JSONJavaScriptMarkdownTypeScriptYAMLjson
Technical Skills
API CompatibilityAPI DesignAPI DocumentationAPI IntegrationAPI ManagementBrowser CompatibilityBrowser Compatibility DataBrowser Compatibility Data ManagementBrowser Extension DevelopmentBuild ScriptsBuild ToolsCI/CDCSSCSS CompatibilityCSS Properties
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline