Syntax - Tasty Web Development Treats
981: Browsers Are Finally Catching Up (Interop 2026)
February 23, 2026
AI Summary
5 min read🎙️ The Voices & The Context
- The Format: Casual chat between two hosts diving into a tech deep-dive on browser standards.
- The Key Players:
- Scott: Developer from Denver, geeking out on CSS APIs and browser tests.
- Wes Boss: Co-host with sharp banter, sharing practical examples from his projects like Syntax platform.
- Chemistry is electric—playful roasts, shared excitement, and real-world gripes keep it lively.
- The Vibe: Fun, educational, and hype-filled; like nerdy friends hyping future web features over coffee.
🗝️ Key Themes & Topics
The episode unpacks Interop 2026, a browser vendor agreement to fully implement key web APIs by year's end, with progress tracking via "shame charts." Hosts break down features, excitement levels, and browser gaps (Chrome/Edge leading, Firefox/Safari lagging).
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What you'll learn
- 1 (00:00) **Interop 2026 Overview**
- 2 (02:44) **Container Style Queries**
- 3 (09:56) **Anchor Positioning**
- 4 (12:02) **CSS attr() Improvements**
- 5 (15:40) **contrast-color() Function**
- 6 (19:11) **CSS zoom**
- 7 (21:36) **Custom Highlight API**
+ Full timestamped outline available in the app
Show Notes
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?
- 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.