965: Baseline 2025 Features web gained in 2025

Syntax - Tasty Web Development Treats

Dec 22, 2025•26 min

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Episode description

Scott and Wes break down the biggest web platform features that reached Baseline in 2025, separating the genuinely useful APIs from the niche and forgettable ones. From same-document view transitions and the Popover API to Promise.try, content-visibility, and modern CSS goodies, they share what’s actually ready to use today.

Show Notes

00:00 Welcome to Syntax!
01:37 24 new web APIs that reached baseline in 2025.
01:49 Same-document view transitions for single-page applications.
05:28 abs()
08:22 Brought to you by Sentry.io.
09:20 JSON Module Scripts.
10:10 Popover API.
13:07 Base64 to UInt8Array.
- Better Binary Batter Mixing
16:11 @starting-style
- Scott’s A CSS Only Accordion with <details>
- Scott’s Mobile Nav
17:39 allow-discrete
21:31 Promise.try
22:51 content-visibility

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