Create 981 - Interop 2026.md (#2148)

Author: randyrektor

shows/981 - Interop 2026.md

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+---
+number: 981
+title: Interop 2026
+date: 1771844400000
+url: https://traffic.megaphone.fm/FSI1252611188.mp3
+youtube_url: https://www.youtube.com/watch?v=UVIeyRE6zLU
+---
+	
+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](#t=00:00)** Welcome to Syntax!
+* **[00:21](#t=00:21)** What is [Interop](https://wpt.fyi/interop-2026)?
+  * [Interop GitHub](https://github.com/web-platform-tests/interop/tree/main/2026).
+* **[02:44](#t=02:44)** Container Style Queries.
+* **[09:32](#t=09:32)** Brought to you by [Sentry.io](https://sentry.io/syntax).
+* **[09:57](#t=09:57)** Anchor Positioning.
+* **[12:01](#t=12:01)** CSS attr().
+* **[15:40](#t=15:40)** CSS Contrast-color.
+* **[19:10](#t=19:10)** CSS Zoom.
+* **[21:36](#t=21:36)** CSS Custom Highlight API.
+* **[24:02](#t=24:02)** Dialogs and Popovers.
+* **[25:44](#t=25:44)** Fetch Uploads and Ranges.
+* **[27:48](#t=27:48)** IndexedDB.
+* **[28:25](#t=28:25)** JSPI for Wasm.
+* **[29:05](#t=29:05)** Media Pseudo-Classes.
+* **[30:00](#t=30:00)** Navigation API.
+* **[31:53](#t=31:53)** Scoped Custom Element Registries.
+* **[32:40](#t=32:40)** Scroll-Driven Animations.
+* **[33:30](#t=33:30)** Scroll Snap.
+* **[36:50](#t=36:50)** CSS Shape().
+* **[38:25](#t=38:25)** View Transitions.
+* **[41:32](#t=41:32)** Web Compat.
+* **[42:29](#t=42:29)** WebRTC Improvements.
+* **[43:44](#t=43:44)** WebTransport.
+* **[45:44](#t=45:44)** Investigation Efforts.
+  * **[46:25](#t=46:25)** JPEG XL
+  * **[48:46](#t=48:46)** Mobile Testing.
+  * **[49:20](#t=49:20)** WebVTT.
+
+### Hit us up on Socials!
+
+Syntax: [X](https://twitter.com/syntaxfm) [Instagram](https://www.instagram.com/syntax_fm/) [Tiktok](https://www.tiktok.com/@syntaxfm) [LinkedIn](https://www.linkedin.com/company/96077407/admin/feed/posts/) [Threads](https://www.threads.net/@syntax_fm)
+
+Wes: [X](https://twitter.com/wesbos) [Instagram](https://www.instagram.com/wesbos/) [Tiktok](https://www.tiktok.com/@wesbos) [LinkedIn](https://www.linkedin.com/in/wesbos/) [Threads](https://www.threads.net/@wesbos)
+
+Scott: [X](https://twitter.com/stolinski) [Instagram](https://www.instagram.com/stolinski/) [Tiktok](https://www.tiktok.com/@stolinski) [LinkedIn](https://www.linkedin.com/in/stolinski/) [Threads](https://www.threads.net/@stolinski)
+
+Randy: [X](https://twitter.com/randyrektor) [Instagram](https://www.instagram.com/randyrektor/) [YouTube](https://www.youtube.com/@randyrektor) [Threads](https://www.threads.net/@randyrektor)