Last year, the Compat 2021 effort made tangible progress on improving five of the top pain points for web developers. Microsoft, in collaboration with Google and Igalia, contributed a rewrite of the CSS Grid module in Blink, along with bug fixes for CSS Transforms.

Representatives from Apple, Bocoup, Google, Igalia, Microsoft, and Mozilla collectively agreed that the effort’s name did not accurately reflect its intent to address core interoperability gaps between browsers. This year, Microsoft is again pleased to announce its participation in the more aptly named Interop 2022 effort.

While Microsoft will be primarily focused on shipping CSS Subgrid support, this is only one of the fifteen areas of interoperability that Interop 2022 will focus on. These include longstanding areas of developer frustration, along with frequently requested new features that web developers will be able to adopt with confidence. Highlighted areas include:

• Cascade layers
• Color spaces and CSS color functions
• New viewport units
• Scrolling
• The element element
• .. and much more!

If you’re interested in learning more and following along on our journey, please check out the Interop 2022 Dashboard. You can learn more about the Interop 2022 effort from Apple, Bocoup, Google, Igalia, and Mozilla.

The progress that we collectively made in 2021 was incredible, and with more vendor participation and an even broader scope of interoperability areas to tackle, we can’t wait to see how far the web platform evolves this year.

– Daniel Libby, Principal Software Engineering Manager, Microsoft Edge

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