Promise.try Makes Sync APIs Promise-Friendly

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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