Interop 2025 concludes with a 97% overall pass rate, marking the most ambitious cross-browser interoperability effort to date.
- •19 focus areas and 5 investigation areas were selected across CSS, JavaScript, Web APIs, and performance
- •Pass rates rose from 29% at the start of 2025; all experimental browsers reached 99% by year end
- •Safari made the largest gain of any browser this year, jumping from 43 to 99 points
- •Key highlights: Anchor Positioning (CSS-only tooltip/popover placement), View Transitions with view-transition-class, and Navigation API as a modern replacement for history.pushState()
- •Five investigation areas including accessibility and mobile testing lay groundwork for future Interop cycles
This summary was automatically generated by AI based on the original article and may not be fully accurate.
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Databricks
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