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

00:00 Welcome to Syntax!
00:21 What is Interop?
- Interop GitHub.
02:44 Container Style Queries.
09:32 Brought to you by Sentry.io.
09:57 Anchor Positioning.
12:01 CSS attr().
15:40 CSS Contrast-color.
19:10 CSS Zoom.
21:36 CSS Custom Highlight API.
24:02 Dialogs and Popovers.
25:44 Fetch Uploads and Ranges.
27:48 IndexedDB.
28:25 JSPI for Wasm.
29:05 Media Pseudo-Classes.
30:00 Navigation API.
31:53 Scoped Custom Element Registries.
32:40 Scroll-Driven Animations.
33:30 Scroll Snap.
36:50 CSS Shape().
38:25 View Transitions.
41:32 Web Compat.
42:29 WebRTC Improvements.
43:44 WebTransport.
45:44 Investigation Efforts.
- 46:25 JPEG XL
- 48:46 Mobile Testing.
- 49:20 WebVTT.

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981: Browsers Are Finally Catching Up (Interop 2026)