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Claude 4-Model Accessibility Test: Fable 5.1, Opus, Sonnet 5

On September 1st, the Claude Code v2.1.257 release notes carried one short line: the default model for the Fable line had switched to 5.1. If you use Fable and have never touched the model setting, the brain writing your code got quietly swapped out that day. The same release notes had an exception, too — the fable alias in Claude app gateway sessions stays on Fable 5 for now. Read this as a story about the regular Claude Code you run from the terminal. ...

Published date: 2026-09-03 · Reading time: 16 min · Word count: 3310 words · Author: Isaac

How Screen Readers Read aria-live Status Messages (WCAG 4.1.3)

How do screen readers handle aria-live status messages? A demo-driven look at WCAG 4.1.3, polite vs. assertive, debounce timers, and icon or sound status.

Published date: 2026-09-02 · Updated 2026-10-24 · Reading time: 22 min · Word count: 4624 words · Author: Isaac

When aria-live Stays Silent — Getting ARIA Live Regions Right

A green toast reading “Saved” pops up in the bottom-right corner of the screen. It disappears two seconds later. For someone using a mouse, that’s complete feedback. But for someone who isn’t looking at the screen? That toast never happened. There’s no way to know whether the save succeeded or not. This is exactly what live regions exist to solve. Mark a region ahead of time as one whose content can change without a page refresh, and when the text inside it changes, the screen reader reads it out automatically. One line — aria-live="polite" — is all it takes. ...

Published date: 2026-09-02 · Reading time: 17 min · Word count: 3538 words · Author: Isaac

WCAG 3 Accessibility-Support Sets: Korea's Blank

If you’ve ever run an accessibility checker, you’ve probably seen a line somewhere in the results like, “This result was verified on a specific browser and screen reader combination.” Every accessibility evaluation starts from some baseline environment. But what exactly counts as that “baseline environment” is something standards documents have rarely defined with any precision. The March 2026 Working Draft of WCAG 3 (3.0) puts a name to this gap — the accessibility-support set — and structures it into a formal clause (§3.2.2). The term itself existed in earlier drafts too; what this draft adds is splitting it into a default set and an alternative set, numbering the clause, and giving it a proper place within the conformance requirements. Read the definition closely, though, and you’ll find a line stating that the baseline is oriented toward English content. This post walks through exactly what that clause says, and what it means for local assistive technology environments like Sense Reader (센스리더), Korea’s dominant local screen reader. ...

Published date: 2026-08-19 · Reading time: 5 min · Word count: 2496 words · Author: Isaac

KWCAG 2.2 vs. WCAG 3: What's Actually Different

“Once WCAG 3 ships, what happens to the KWCAG we’re following right now?” That’s the question I get most often since publishing our complete KWCAG 2.2 guide. “WCAG 3” has started coming up often enough in accessibility newsletters and conference talks that it’s only natural to wonder how KWCAG, our domestic standard, should respond to this shift. Short answer up front: the two standards are moving at different speeds right now, and there’s no need to relearn KWCAG anytime soon. That said, a fairly significant structural shift is on the horizon, so it’s worth knowing the general direction if you work in this space. This post walks through what’s different between the two standards and why that difference matters. ...

Published date: 2026-08-19 · Reading time: 7 min · Word count: 1459 words · Author: Isaac

WCAG 2.2's 6 New Criteria: Target Size Hits 24px

A code-first, try-it-yourself rundown of WCAG 2.2's 6 most-used new success criteria, plus the 3 AAA criteria and how KWCAG 2.2 and global standards stack up.

Published date: 2026-08-19 · Updated 2026-10-24 · Reading time: 25 min · Word count: 5232 words · Author: Isaac

WA Certification: Cost, Process, How to Get It

A first-timer's guide to Korea's Web Accessibility Certification: why get it, KWCAG 2.2, review stages, pass lines, fees, and what it doesn't guarantee.

Published date: 2026-08-19 · Updated 2026-10-17 · Reading time: 9 min · Word count: 4176 words · Author: Isaac

KWCAG 2.2 Explained: 4 Principles, 33 Checkpoints

“Your project spec says ‘must comply with KWCAG 2.2.’ But what does that actually mean you have to do?” If you’ve ever worked on an accessibility project in Korea, you’ve probably paused at a line like that at least once. Search around and you’ll find WCAG mentioned in one place, KWCAG in another, versions 2.1 and 2.2 tangled together — it’s easy to lose track of which standard you’re actually supposed to follow. This post breaks down what KWCAG 2.2 actually is and how it’s structured, from a practitioner’s point of view. ...

Published date: 2026-08-19 · Reading time: 5 min · Word count: 2012 words · Author: Isaac

Slack, Discord, Telegram Alerts for Claude Code

Once you’re in the habit of kicking off a long task and walking away, you end up wiring up a notification. And once you have one, the same thought always follows: “This would be nicer on Slack.” Email is quiet and it sticks around, but it’s slow. If you keep Slack open all day, having alerts land in one window you already watch beats digging through your inbox. If you want your phone to buzz the instant something finishes, Telegram is faster. It’s not just a matter of taste, either — if your team already lives in a channel, that’s where the notification belongs. ...

Published date: 2026-08-18 · Reading time: 50 min · Word count: 10398 words · Author: Isaac

Claude Code: Email Results When Tasks Finish

Ever sent off a long task, gone to do something else, and come back to the terminal an hour later only to find it finished thirty minutes earlier? Or the opposite — checking the window every five minutes and getting nothing else done? For me there was one more wrinkle on top of that: when the task produces a file. A markdown writeup of some research, an extracted CSV, a report I asked for. If it finished while I was away, there was no good way to check it from my phone. SSH in and cat the file, and every line break is mangled, you’re scrolling with your thumb, and if there’s a table in there, forget reading it at all. ...

Published date: 2026-08-16 · Reading time: 40 min · Word count: 8274 words · Author: Isaac
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