• Home Blog Interop 2026: Continuing to improve the web for developersStay organized with collectionsSave and categorize content based on your preferences. • Rachel AndrewGitHubLinkedInMastodonBlueskyHomepage Published: February 12, 2026 Published: February 12, 2026 We’re excited to announceInterop 2026, an effort to increase the interoperability of key features of the web platform across browsers. • Run by a team of representatives from companies that make substantial contributions to browser rendering engines-including Apple, Google, Igalia, Microsoft, and Mozilla-Interop 2026 focuses on features that are high-priority for web developers and end users. • Consistent with earlier Interop efforts, selected tests will be continuously run on automated testing infrastructure, with pass rates displayed on theInterop 2026 dashboard. • Focus Areas The focus areas for 2026 include several areas identified as top interop issues in the State of HTML and State of CSS surveys. • We track these issues onwebstatus.dev.

Article Summaries:

  • Interop 2026 is a cross‑browser initiative led by Apple, Google, Igalia, Microsoft and Mozilla to improve the consistency of key web platform features. The program builds on Interop 2025, adding continuous automated testing and a public dashboard that shows pass rates for selected tests. Focus areas include anchor positioning, container style queries, dialog and popover APIs, scroll‑driven animation properties (animation‑timeline, scroll‑timeline, view‑timeline), and view transitions. Issues are tracked on webstatus.dev and align with the top 20 developer‑requested items in the developer signals repository, underscoring the effort’s developer‑centric priorities.

Sources: