981: Browsers Are Finally Catching Up (Interop 2026)

Scott and Wes unpack Interop 2026 and the browser features finally aligning across engines, from container style queries and anchor positioning to scroll-driven animations and view transitions. They break down what it all means for day-to-day devs and how close we really are to a fully interoperable web.

Show Notes

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00:00 Welcome to Syntax!

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00:21 What is Interop (wpt.fyi/interop-2026)?

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Interop GitHub (github.com/web-platform-tests/interop/tree/mai…).

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02:44 Container Style Queries.

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09:32 Brought to you by Sentry.io (sentry.io/syntax).

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09:57 Anchor Positioning.

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12:01 CSS attr().

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15:40 CSS Contrast-color.

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19:10 CSS Zoom.

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21:36 CSS Custom Highlight API.

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24:02 Dialogs and Popovers.

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25:44 Fetch Uploads and Ranges.

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27:48 IndexedDB.

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28:25 JSPI for Wasm.

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29:05 Media Pseudo-Classes.

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30:00 Navigation API.

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31:53 Scoped Custom Element Registries.

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32:40 Scroll-Driven Animations.

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33:30 Scroll Snap.

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36:50 CSS Shape().

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38:25 View Transitions.

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41:32 Web Compat.

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42:29 WebRTC Improvements.

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43:44 WebTransport.

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45:44 Investigation Efforts.

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46:25 JPEG XL

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48:46 Mobile Testing.

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49:20 WebVTT.

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