Largest Contentful Paint (from Core Web Vitals) is now available in Safari Technology Preview.

https://webkit.org/blog/17504/release-notes-for-safari-technology-preview-230/

Safari 26 is here!!! Anchor Positioning, Scroll-driven animations, High Dynamic Range images, the new HTML <model> element, the all-new Digital Credentials API, SVG icon support, WebGPU, WebKit in SwiftUI, every site can be a web app on iOS and iPadOS, and much more.

https://webkit.org/blog/17333/webkit-features-in-safari-26-0/

Over the years, I’ve heard a lot of developers & other people wish that uBlock Origin was available for Safari. Now it is! Download for Safari 18.6 and Safari 26 beta.

https://apps.apple.com/app/ublock-origin-lite/id6745342698

W3C tech: "PNG has been updated for the first time in 22 years — new spec supports HDR and animation"

"According to ProgramMax, the U.S. Library of Congress, Library and Archives Canada, and the National Archives of Australia recommend PNG for archiving digital images, likely because of its lossless compression. With this amount of trust placed on the file format, it must keep up with the times and ensure that it will continue to help preserve our visual history."

https://tech.yahoo.com/computing/articles/png-updated-first-time-22-145139890.html

Safari 26 beta!

https://webkit.org/blog/16993/news-from-wwdc25-web-technology-coming-this-fall-in-safari-26-beta/

We’re excited to announce a web-based Safari Web Extension Packager this year. Using this tool, you can build a Safari Web Extension without using a Mac or Xcode.
https://developer.apple.com/documentation/safariservices/packaging-and-distributing-safari-web-extensions-with-app-store-connect

#safari #WWDC25

Speedometer 3.1 has been released:

https://browserbench.org/announcements/speedometer3.1/

Safari now supports CHIPS – opt-in partitioned cookies!

Cross-site resources that aren't from known tracker domains can set cookies with response headers like this:

Set-Cookie: TestCookie=12345; SameSite=None; Secure; Partitioned

See under "Networking" in this post:
https://webkit.org/blog/16574/webkit-features-in-safari-18-4/#networking