WebKit Features in Safari 17.5

With just a month until WWDC24 and the unveiling of what’s coming later this year, we are happy to get these 7 features and 22 bug fixes into the hands of your users today.

Help us invent CSS Grid Level 3, aka “Masonry” layout

UPDATE October 2024: Since this article was published, members of the CSS Working Group have concluded that all of the grid abilities described here — variable-width tracks, explicit placement, spanning, and subgrids — are worth including in masonry layout, and are possible to implement performantly.

Optimizing WebKit & Safari for Speedometer 3.0

The introduction of Speedometer 3.0 is a major step forward in making the web faster for all, and allowing Web developers to make websites and web apps that were not previously possible.

Introducing Natural Input for WebXR in Apple Vision Pro

Apple Vision Pro is here, and with it, a lot of excitement about the possibilities for WebXR in visionOS.

Implementing Vertical Form Controls

Safari 17.4 adds vertical writing mode support for form control elements across macOS, iOS, iPadOS, and visionOS.

Speedometer 3.0:
The Best Way Yet to Measure Browser Performance

As announced on browserbench.org today, in collaboration with other browser engine developers, Apple’s WebKit team is excited to introduce Speedometer 3.0, a major update that better reflects the Web of today.

WebKit Features in Safari 17.4

Just like Safari 15.4 and Safari 16.4, this March’s release of Safari 17.4 is a significant one for web developers.