# Interop2027

The 2027 iteration of the Interop project, a browser-engine collaboration that uses automated tests to improve web-platform interoperability.

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## Calling for Interop 2027 proposals

DevFeed: [Calling for Interop 2027 proposals](<https://devfeed.tech/articles/calling-for-interop-2027-proposals-4253.md>)

Original publisher: [Read original article](<https://blogs.windows.com/msedgedev/2026/09/03/calling-for-interop-2027-proposals/>)

Author: Patrick Brosset

Published: 2026-09-03T16:09:17Z

Content type: article

Language: en

Sources: [Microsoft Edge Blog](<https://devfeed.tech/sources/microsoft-edge-blog.md>)

Topics: [Interop2027](<https://devfeed.tech/topics/interop2027.md>), [interoperability](<https://devfeed.tech/topics/interoperability.md>), [Web platform](<https://devfeed.tech/topics/web-platform.md>), [web-standards](<https://devfeed.tech/topics/web-standards.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>)

Tags: [browsers](<https://devfeed.tech/tags/browsers.md>), [developer](<https://devfeed.tech/tags/developer.md>), [interop](<https://devfeed.tech/tags/interop.md>), [interop2027](<https://devfeed.tech/tags/interop2027.md>), [interoperability](<https://devfeed.tech/tags/interoperability.md>), [uncategorized](<https://devfeed.tech/tags/uncategorized.md>), [web-platform](<https://devfeed.tech/tags/web-platform.md>)

### AI overview

The article opens the proposal process for Interop 2027, inviting submissions that address inconsistent implementation of standards-based web-platform features across browsers.

### Source excerpt

The Interop 2027 call for proposals is open, submit your ideas now! Over the past six years, the I The post Calling for Interop 2027 proposals appeared first on Microsoft Edge Blog.

## Celebrating 20 years of MDN

DevFeed: [Celebrating 20 years of MDN](<https://devfeed.tech/articles/celebrating-20-years-of-mdn-4105.md>)

Original publisher: [Read original article](<https://developer.mozilla.org/en-US/blog/mdn-turns-20/>)

Author: joe-walker

Published: 2025-07-23T00:00:00Z

Content type: article

Language: en

Sources: [MDN Blog](<https://devfeed.tech/sources/mdn-blog.md>)

Topics: [Interop2027](<https://devfeed.tech/topics/interop2027.md>)

Tags: [collaboration](<https://devfeed.tech/tags/collaboration.md>), [community](<https://devfeed.tech/tags/community.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [developers](<https://devfeed.tech/tags/developers.md>), [docs](<https://devfeed.tech/tags/docs.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [ecosystem](<https://devfeed.tech/tags/ecosystem.md>), [firefox](<https://devfeed.tech/tags/firefox.md>), [github](<https://devfeed.tech/tags/github.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [open](<https://devfeed.tech/tags/open.md>), [platform](<https://devfeed.tech/tags/platform.md>), [web](<https://devfeed.tech/tags/web.md>), [web-developers](<https://devfeed.tech/tags/web-developers.md>), [web-platform](<https://devfeed.tech/tags/web-platform.md>), [web-standards](<https://devfeed.tech/tags/web-standards.md>)

### AI overview

MDN marks its 20th anniversary, reflecting on its evolution from a community wiki into a broad resource for web developers and web-platform documentation. The article thanks its contributors and celebrates collaboration across the open web.

### Source excerpt

MDN turns 20! Let's look at how we started, how MDN became the most trusted resource for web developers, the impact it's had on the open web, and yes, there's cake, too.

## Interop 2023: MDN updates

DevFeed: [Interop 2023: MDN updates](<https://devfeed.tech/articles/interop-2023-mdn-updates-4069.md>)

Original publisher: [Read original article](<https://developer.mozilla.org/en-US/blog/interop2023-mdn-doc-updates/>)

Author: brian-smith

Published: 2024-03-27T00:00:00Z

Content type: article

Language: en

Sources: [MDN Blog](<https://devfeed.tech/sources/mdn-blog.md>)

Topics: [Web platform](<https://devfeed.tech/topics/web-platform.md>), [interoperability](<https://devfeed.tech/topics/interoperability.md>), [Interop2027](<https://devfeed.tech/topics/interop2027.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>), [browsers](<https://devfeed.tech/topics/browsers.md>), [Headless Browser](<https://devfeed.tech/topics/headless-browser.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>)

Tags: [automated](<https://devfeed.tech/tags/automated.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [browsers](<https://devfeed.tech/tags/browsers.md>), [compatibility](<https://devfeed.tech/tags/compatibility.md>), [interop](<https://devfeed.tech/tags/interop.md>), [interoperability](<https://devfeed.tech/tags/interoperability.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [tests](<https://devfeed.tech/tags/tests.md>), [web-platform](<https://devfeed.tech/tags/web-platform.md>)

### AI overview

This article explains the Interop project, a joint browser-vendor initiative that uses benchmarks and tests to improve consistent, standards-compliant web platform behavior across browsers. It reviews Interop 2023 updates on MDN and describes the Interop 2024 effort, including focus areas, dashboards, headless browser tests, Web Platform Tests, and browser fixes.

### Source excerpt

Interop 2023 has successfully concluded, and the Interop 2024 project is now officially underway. Learn what Interop is, discover the updates from Interop 2023 now on MDN, and find out what's coming to the web next.

## Introducing Baseline: a unified view of stable web features

DevFeed: [Introducing Baseline: a unified view of stable web features](<https://devfeed.tech/articles/introducing-baseline-a-unified-view-of-stable-web-features-4023.md>)

Original publisher: [Read original article](<https://developer.mozilla.org/en-US/blog/baseline-unified-view-stable-web-features/>)

Author: hermina-condei

Published: 2023-05-10T00:00:00Z

Content type: article

Language: en

Sources: [MDN Blog](<https://devfeed.tech/sources/mdn-blog.md>)

Topics: [Interop2027](<https://devfeed.tech/topics/interop2027.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>), [modern web development](<https://devfeed.tech/topics/modern-web-development.md>)

Tags: [browser](<https://devfeed.tech/tags/browser.md>), [developer-experience](<https://devfeed.tech/tags/developer-experience.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [web-platform](<https://devfeed.tech/tags/web-platform.md>)

### AI overview

MDN introduces Baseline labeling to identify web-platform features that have stable support across a core set of browsers, helping developers navigate browser compatibility.

### Source excerpt

MDN leads the way in implementing WebDX community group's efforts, delivering a clear and simple baseline for the web platform to developers.