iiinova — where your digital self keeps evolving

Siri: “someone sent a long message, read it?” Me: yes, I’m mentally ready for this essay Siri: “are you sure? Are you sitting down for this?” Me: “I’m never going to be fully prepared, but hit me with it” Siri: “Don’t say I didn’t warn you, this one’s a doozy. ‘Thank you for hanging out’”

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Anthony Frehner @frehner.me · 06/09/2026

Dying, waiting for it to release more widely. Still play 1 daily

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Anthony Frehner @frehner.me · 04/09/2026

Inject it so it absorbs better

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Anthony Frehner @frehner.me · 04/09/2026

This is huge for component libraries, written as web components, that have to somewhat recreate native CSS due to environment limitations. 👀

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Anthony Frehner @frehner.me · 04/09/2026

It’s interesting to think about how media queries eventually aligned on a pretty standard set of values (young people will never know why 768px is so important) But container queries probably never will, just due to their nature.

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Anthony Frehner @frehner.me · 04/09/2026

lol I thought you had a blog post up about this, I was confused. Ignore me

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Anthony Frehner @frehner.me · 28/08/2026

I think @lea.verou.me put up a command invoker proposal recently in which you could maybe do something like that. Would have to dig into my emails to find it again though. Maybe open-ui GitHub?

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Anthony Frehner @frehner.me · 27/08/2026

Oooh actually that container query update is nice!

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Anthony Frehner @frehner.me · 26/08/2026

Sounds like most of my work lately! Can’t blame it.

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Anthony Frehner @frehner.me · 26/08/2026

Huh so calc() doesn’t force it to immediately look up the value? Fun

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Anthony Frehner @frehner.me · 25/08/2026

No there’s no excuses for not having a rainbow brick background on all videos

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Anthony Frehner @frehner.me · 24/08/2026

What type of tea you using? I would love this with chai or something haha

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Anthony Frehner @frehner.me · 23/08/2026

My attempt to implement :has-slotted in WebKit has turned into another round of CSSWG clarifications on behavior Whoops

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Anthony Frehner @frehner.me · 23/08/2026

I usually end up zooming out enough to where it stops the scroll, even if it makes my experience worse

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Anthony Frehner @frehner.me · 19/08/2026

They’re all so good! We already use attr() a bit so that’ll be nice to have everywhere

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Anthony Frehner @frehner.me · 17/08/2026

What the hell is aspic Why the hell is aspic

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Anthony Frehner @frehner.me · 14/08/2026

JS ‘using’ support is exciting

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Anthony Frehner @frehner.me · 10/08/2026

Instantly gives me video game feelings haha

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Anthony Frehner @frehner.me · 10/08/2026

moveBefore support incoming! That’s huge!! Thanks @jovidecroock.com and team

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Reposted by Anthony Frehner

Firefox Nightly @firefoxnightly.bsky.social · 06/08/2026

Starting with Firefox 155, Nightly builds now support the at-rule() function for @supports. This allows authors to detect for browser support of specific at-rules, such as @supports at-rule(@scope). bugzilla.mozilla.org/2060754

bugzilla.mozilla.org

2060754 - Implement @support at-rule() behind pref

RESOLVED (sajidanwar94) in Core - CSS Parsing and Computation. Last updated 2026-08-06.

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Anthony Frehner @frehner.me · 06/08/2026

Blitz and Stylo doing the rendering. Ah

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Anthony Frehner @frehner.me · 06/08/2026

Curious to see how this evolves over time. Very interesting Also: Web platform tests proving its value yet again (and also showing its limitations?)

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Anthony Frehner @frehner.me · 28/07/2026

This is a huge experiment for web component people that want/need to have custom select and custom option elements!

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Anthony Frehner @frehner.me · 24/07/2026

I have a codepen up already, but nothing written yet Only works in regular dom, but should work in shadow dom with :has-slotted (Which is why I was thinking about it, since I’m trying to get a WebKit PR up for that)

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Anthony Frehner @frehner.me · 23/07/2026

Also: not currently possible in web component land due to needing functional :has-slotted() But maybe that’ll happen someday too

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Anthony Frehner @frehner.me · 23/07/2026

Oh this is maybe fun - a pure CSS way of hiding a “slot” of children if there are any children in that slot that aren’t allowed. For example, a Button Group component that only allows Buttons as children; otherwise the slot is display:none’d Maybe I’ll write a tiny thing about this.

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Reposted by Anthony Frehner

Firefox for Web Developers @webdevs.firefox.com · 22/07/2026

popover="hint" landed in Firefox 153. Here's how it differs from regular popovers: youtube.com/shorts/HWetx... (sorry for the YouTube link, it seems like video uploads are broken on bsky today)

youtube.com

popover="hint" - new in Firefox 153

YouTube video by Firefox for Web Developers

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Anthony Frehner @frehner.me · 19/07/2026

I love you calc(infinity * 1)

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Anthony Frehner @frehner.me · 19/07/2026

Plus if you do anything with international addresses, it gets really really really complex

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Anthony Frehner @frehner.me · 19/07/2026

Not only validation, but also type-ahead / prefill address, which I believe has shown to help increase conversion rates (speaking not from any “inside” knowledge here, just from what I remember from before jobs)

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