Jen Simmons

 Apple Evangelist on the Web Developer Experience team for Safari & Webkit. #PwME

🌉 [bridged](https://fed.brid.gy/bsky/jensimmons.bsky.social ) from 🦋 [jensimmons.bsky.social](https://bsky.app/profile/jensimmons.bsky.social ), follow Bridgy Fed for Bluesky (npub1pqr…2sck) to interact

Web site: https://bsky.app/profile/jensimmons.bsky.social

Last Notes

2026-05-11 18:22:28 UTC

Safari 26.5 is here! It includes the :open pseudo-class, the element-scoped keyword for random(), color-interpolation for SVG gradients, the ToggleEvent.source property for popovers, and the Origin API.
And a ton of polish and fixes.
[webkit.org/blog/17938/w...](https://webkit.org/blog/17938/webkit-features-for-safari-26-5/ )
[WebKit Features for Safari 26....](https://webkit.org/blog/17938/webkit-features-for-safari-26-5/ )

2026-03-24 17:22:54 UTC

Safari 26.4 is here!
[webkit.org/blog/17862/w...](https://webkit.org/blog/17862/webkit-features-for-safari-26-4/ )
Grid Lanes. WebTransport. Keyboard Lock API. And _tons_ of fixes & improvements. Please read the introduction to our article to learn what we’ve been up to…
[WebKit Features for Safari 26....](https://webkit.org/blog/17862/webkit-features-for-safari-26-4/ )

2026-02-11 19:26:34 UTC

Safari 26.3 is here with Zstandard file compression, Navigation API’s AbortSignal for better control in single-page apps, and fixes for anchor positioning, multi-column layouts, & more. Plus fullscreen video now dims surroundings in visionOS.
[webkit.org/blog/17798/webkit-features-for-safari-26-3/](https://webkit.org/blog/17798/webkit-features-for-safari-26-3/ )
[WebKit features for Safari 26....](https://webkit.org/blog/17798/webkit-features-for-safari-26-3/ )

2025-12-12 18:44:11 UTC

Safari 26.2 is here with 65 features + 165 bug fixes — including field-sizing, Navigation API, Largest Contentful Paint, command & commandfor, CHIPS opt-in partitioned cookies, scrollend event, random(), WebGPU in WebXR, scrollbar-color, hidden=until-found and much more! [webkit.org/blog/17640/w...](https://webkit.org/blog/17640/webkit-features-for-safari-26-2/ )
[WebKit Features for Safari 26....](https://webkit.org/blog/17640/webkit-features-for-safari-26-2/ )

2025-06-11 20:22:45 UTC

Now that you’ve seen what’s coming in Safari 26… web designers & developers, what do you need most to come next? If you were setting the priorities for what happens, what would you put at the top of the list?

2025-05-13 18:28:27 UTC

Have you ever wished the browser would look at a background color and pick black or white for the text — whichever one provides more contrast?
Now, the `constrast-color()` function in CSS does just that.
[webkit.org/blog/16929/c...](https://webkit.org/blog/16929/contrast-color/ )
[How to have the browser pick a...](https://webkit.org/blog/16929/contrast-color/ )