WebKit Team Outlines Browser Interoperability Priorities for 2026 – 9to5Mac

After releasing the Interop 2025 results last week, Apple and other members of the browser interoperability group have now outlined their goals for the coming year. Here are the details.

“Here’s to another year of making the web better together!”

As we covered last week, the Interop group released its year-end report detailing major gains in cross-browser compatibility through 2025, including a huge jump in the Safari test and progress in key areas such as CSS, View Transitions, and the Navigation API.

This was the result of the goals set by the Interop Group, a joint effort by Apple, Bocoup, Google, Igalia, Microsoft and Mozilla to bring browser browsers closer to the web platform features most important to developers.

Apple’s WebKit blog today published a comprehensive look at Interop 2026 goals following last year’s call for community proposals.

According to the group, there will be 20 focus areas for 2026, including five rollovers from last year:

The post goes on to discuss what each focus area means in practice for developers, including efforts to improve CSS features such as contrast-color() and shape()as well as platform APIs such as the Navigation API and WebTransport.

In the post, the Apple WebKit team also highlights its broader commitment to improving cross-browser compatibility as part of the Interop Group:

“The WebKit team is committed to making sure these features work consistently across browsers. Whether you’re building a design system, a single-page app, a video streaming platform, or anything in between, Interop 2026 strives to give you a more reliable foundation to build on.”

You can read Apple’s full schedule of Interop 2026 here.

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