Maciej Stachowiak 🇺🇸🇵🇱❤️🇺🇦 @othermaciej@qoto.org
Head of
@webkit
engineering at Apple. Also networking APIs. Opinions are personal unless stated otherwise.
Joined Jan 2023
Maciej Stachowiak 
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Safari 16.4 beta 1.
Want a sneak peak into what’s coming?
Read the beta release notes at https://developer.apple.com/documentation/safari-release-notes/safari-16_4-release-notes
WebKit is bringing Web Push to iOS home screen web apps, with a full suite of native-like functionality including badging and focus modes. Read all about it: https://webkit.org/blog/13878/web-push-for-web-apps-on-ios-and-ipados/
Maciej Stachowiak
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https://webkit.org/blog/13851/declarative-shadow-dom/
Declarative Shadow DOM is in WebKit.
Maciej Stachowiak
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Are you ready for WebKit 2023? Hold onto your hats…
@Cameo barely survived a zombie attack.
@mluisbrown I’m not super familiar with Streep’s filmography, but I did find a video of clips showing her doing a wide range of accents and dialects. Pretty impressive acting! Lynskey is on a whole other level though. She sounds unmistakably middle American when performing. I was so confused I had to rewind during the post-show.
Most shocking revelation from tonight’s The Last of Us: Melanie Lynskey is a Kiwi! (I’d only ever heard her do American accents.)
@mackuba it’s a dumb take but I don’t know if it will ever die as long as there are people with an interest in pushing it.
Interop 2022 did a lot to advance consistent, standards-compliant behavior among browsers. Check out this post for Safari/WebKit results on Interop 2022 (we went from last place to a near-perfect) and looks forward to the even more ambitious Interop 2023. https://webkit.org/blog/13706/interop-2023/
Maciej Stachowiak
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I’m so curious what web designers and developers think about Interop 2023!
What do you think of the new dashboard?
https://wpt.fyi/interop-2023
What do you think of the technology that was selected?
https://webkit.org/blog/13706/interop-2023/
What do you think of how Interop 2022 worked out?
https://wpt.fyi/interop-2022
Maciej Stachowiak
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Press release: "W3C re-launched as a public-interest non-profit organization"
We continue our core process and mission to shepherd the web, developing open web standards with contributions from W3C Members, staff, and the international community
More at: https://www.w3.org/blog/news/archives/9823
Maciej Stachowiak
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Have you ever heard of `:nth-child(n of <selector>)`?
It’s cool. It lets you count through `:nth` children for items with a particular class (or other selector). Here’s a demo: https://codepen.io/jensimmons/pen/mdjGmem/850199eb0f72fc70492fcfecea6867c9?editors=1100
And you can use `:nth-last-child(n of <selector>)` to count up from the bottom.
It’s been supported in Safari since 2015!
https://caniuse.com/mdn-css_selectors_nth-last-child_of_syntax
What might you use it for?
Trying out @ivory. Using Mastodon through the web has, UI-wise, felt like using Linux. Crowded layout, too many options. So I haven’t switched from Twitter as much as I’d like. After a few minutes of use, Ivory is much more the experience I’m looking for.
To be clear, I think the problem is in the Mastodon web UI, not the web itself. I happily use Twitter via the web.
Maciej Stachowiak
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Did you know every year on Jan 28 is Data Privacy Day?
To mark the occasion this year, Apple created this video: https://www.youtube.com/watch?v=1HWUjMjaBJI 
@Cameo smdh at the idea of an online event selling out.
Maciej Stachowiak
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Was yesterday’s news about Safari Technology Preview 161 not exciting enough?
Well, now Safari Technology Preview 162 is available!
It includes:
• CSS Nesting
• CSS Margin Trim
• CSS Relative Color Syntax
• Declarative Shadow DOM
• ElementInternals
• Form-associated Custom Elements
• Default ARIA for Custom Elements
• Gamepad.vibrationActuator
And more!
https://webkit.org/blog/13703/release-notes-for-safari-technology-preview-162/
Maciej Stachowiak
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Look at what Safari Technology Preview 161 includes!
• RegExp lookbehind
• OffscreenCanvas (2D)
• WASM SIMD on x64
• unprefixed Fullscreen API
• CSS Custom Properties (@property)
• CSS Typed OM
• more pseudo-classes work inside :has()
• :user-invalid & :user-valid
• Web Animations improvements
And a *lot* more. Click through to read the whole list!
https://webkit.org/blog/13686/release-notes-for-safari-technology-preview-161/
(Shipped Jan 12; original release notes didn’t list everything.)
@Cameo If the Acedemy chooses to beclown itself, that’s not my circus, not my monkeys.
@Cameo I’m still angry at this movie and this thread only made me more angry.
Head of
@webkit
engineering at Apple. Also networking APIs. Opinions are personal unless stated otherwise.
Joined Jan 2023
