965: Baseline 2025 Features web gained in 2025

Syntax - Tasty Web Development Treats

Wes Bos

Tech News, Technology, News

4.9 • 1.2K Ratings

🗓️ 22 December 2025

⏱️ 26 minutes

🔗️ Recording | iTunes | RSS

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Summary

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

Scott’s Mobile Nav 17:39 allow-discrete 21:31 Promise.try 22:51 content-visibility Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

Transcript

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0:00.0	The end of 2025 is here, and the browser gained so much cool stuff.
0:06.1	We're going to be talking about what we gained in 2025 for Baseline on this episode of Syntax.
0:14.2	My name is Scott Tolicke. I'm a developer from Denver with me, as always, is Wes Boss.
0:17.6	What's up, Wes?
0:18.5	Hey, yeah, Baseline is like a project from google and google started
0:23.5	it but basically it's all the like the web industry um and and baseline is this idea that you
0:28.9	aim to show what features are usable today or usable now not like you know you go to can i use
0:35.4	and everyone's like oh but like samsung internet from 15 years ago doesn't support this.
0:40.0	And it's kind of hard to just glance at that and see if you can use it.
0:43.1	Whereas baseline will just tell you like newly available or like go for it, sun.
0:48.1	You know, you can use this thing.
0:49.9	So baseline 2025, these are features that were added to every.
0:54.2	They may have been added previously, but these are features that were added to every, they may have been added previously,
0:55.7	but these are features that you can use today
0:57.8	because they are part of Baseline 2025.
1:00.3	They are in all browsers.
1:01.3	Yes.
1:01.7	And if you have to support Internet Explorer 5 today or whatever,
1:07.1	this ain't for you.
1:08.2	L in the comments for IE supporters.
1:10.7	Is anyone, I'm curious if anyone is still supporting
1:12.7	IE at all.
	...

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