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By using two sequential View Transitions when intercepting links with the Navigation API – one in the precommitHandler and one in the regular handler – you can fake a Two-Phase View Transition today!

Chrome no longer forces width/height animations to run on the Main Thread, in case those values don’t actually change throughout an animation.

Marking, tracking and spotting AI generated text

The post See What AI Wrote appeared first on iA.

How the cascade, the animation-fill-mode, and implicit keyframes make things a bit more complicated then you’d initially think …

Marking, tracking and spotting AI generated text

Our annual celebration of great writing and presenting

The post The 2025 iA Awards appeared first on iA.

Our annual celebration of great writing and presenting

There’s a new type of CSS scroll-state query coming: scrolled

I built something that I needed into DevTools: debugging support for CSS @starting-style rules.

Better availability of iA Notebook in the the U.S.

Which version of what browser supports which feature of View Transitions?

The CSS Podcast is back! Together with Una I’m co-hosting season 5 of the show, and we have some good episodes coming your way …

Check out the post I wrote for developer.chrome.com to learn what changed for View Transitions in 2025.

The Fronteers Conference made a comeback this year with a fresh concept, presenting unique technical challenges that we were excited to tackle.  Fronteers Dark Mode would be a smaller, more intimate event. We’d start around four in the afternoon and run until after midnight—an evening of frontend. We’d have dinner, drinks, and five excellent speakers. […]

The post Making a low-budget conference look high-budget using an ATEM video mixer and a long USB cable appeared first on Hello my name is Niels Leenheer.

Better availability of iA Notebook in the the U.S.

The post From Tokyo to MOMA appeared first on iA.

CSS Custom Functions (@function) + CSS if() + CSS color-scheme() = one sweet combo!

If you thought we were done with View Transitions, guess again! A feature Chrome is working on, is “Scoped View Transitions”, which allow you to scope a VT to a subtree of the DOM. We are actively looking for feedback on this one.

A new View Transitions-related feature we shipped in Chrome 140 is the ability to nest ::view-transition-group() pseudos. This is useful for retaining visual effects such as clipping, move elements as part of a group, etc.

User-agent strings are weird. They inform the server which application is communicating with them. In the case of a web browser, this string can contain the name and version of the browser, but also information about the operating system and the device on which the browser is running. But browsers lie. They lie a lot, […]

The post The User-Agent string of Safari on iOS 26 and macOS 26 appeared first on Hello my name is Niels Leenheer.

iA Presenter is now available on iPhone, iPad and Mac

The post A Presentation App That Works on Your Phone appeared first on iA.