Kohei Yoshino

Kohei Yoshino

@britegrid.io

UX engineer. Svelte developer. Designer. Marketer. Generalist. Freelancer. Formerly with @mozilla.org. Creator, maintainer of @sveltia.dev & @sveltiacms.app. Ageless guy with unbroken voice. 🇨🇦 Toronto, Canada 🔗 https://github.com/kyoshino

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Kohei Yoshino
@britegrid.io

It’s #MaintainerMonth, and I’ve finally set up GitHub Sponsors to support development of @sveltiacms.app! If you like the project and want to see it grow, send some tips my way! 🙏

github.comSveltia CMS Now Accepts Donations – Support Open Source Development! · sveltia sveltia-cms · Discussion #762We’re excited to announce that Sveltia CMS now accepts donations to support ongoing development and maintenance of the project! Supporting Open Source Sustainability This Maintainer Month, we’re hi...
Kohei Yoshino
@britegrid.io

Regardless of severity, Sveltia CMS solves reported security vulnerabilities within a few hours — as long as I’m awake — even before replying to the reporters. In contrast, Decap CMS can take months, not even weeks, to ship fixes, It’s insane. I’ve never trusted the team behind it.

Kohei Yoshino
@britegrid.io

I received another security report today, and the fix was implemented and shipped within an hour. While this was made possible by Claude, it also demonstrates my responsiveness and commitment as a maintainer. For the record, none of the issues are critical.

Kohei Yoshino
@britegrid.io

I’ve never left Firefox & Gecko since the Netscape 6 era. Not because I was one of Mozilla’s early hires. (You may not believe me because I look half my age.) It’s simply a matter of trust. That’s why I’m still serving as an independent contractor, almost 25 years after I first started volunteering.

Firefox@firefox.com

Since 2004, this community has helped make Firefox and the open internet possible. Our “Come Back to Firefox” campaign reunites a few early internet icons to remind people what made the internet special, and why it’s worth protecting.

Kohei Yoshino
@britegrid.io

The Sveltia CMS Showcase now features 700 sites! It’s probably the largest database in the headless CMS sector. My plan is to surpass the Joomla Showcase, which currently has 1,200 sites, by early next year. We would have the world’s largest CMS showcase.

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore hundreds of real-world websites using Sveltia CMS across industries, built with Astro, Eleventy, Hugo, other frameworks and vanilla JavaScript.
Kohei Yoshino
@britegrid.io

Actually, Storyblok has 818 examples right now. It’s not a competitor, but our showcase will exceed it in a month.

Kohei Yoshino
@britegrid.io

Still, 700 is the largest in the Git-based headless CMS field. No one else spends as much time tracking projects. But I’m a marketer by nature… I know a showcase makes a difference.

Kohei Yoshino
@britegrid.io

Normalizing 5 releases per day 🙃

Sveltia CMS@sveltiacms.app

v0.245.0 brings i18n upgrades: fill in other locales’ empty values from the default locale while keeping them editable, localize field labels, hints and defaults, and write dates in each locale’s language. Plus a single-pane editor option and Relation/Select keys for keyed lists.

github.comRelease v0.245.0 · sveltia/sveltia-cmsi18n enhancements: The new i18n: duplicate_if_empty field option copies the default locale’s value to other locales only where the field is empty, while the field can still be edited in every loca...
Kohei Yoshino
@britegrid.io

We’ve implemented single-file collections because I know that, among (showcased) @sveltiacms.app users, vanilla JavaScript is the second most popular “framework” with a 15% share. My extensive research into showcases not only aims to share examples, but also to enable data-driven decision-making.

Sveltia CMS@sveltiacms.app

v0.224.0 adds a `readonly` option to lock content, single-file JSON collections, automatic renaming of uploaded files with `filename_template`, React hooks via `CMS.React`, field-level media storage options that inherit the top-level ones, and more accurate type declarations.

github.comRelease v0.224.0 · sveltia/sveltia-cmsThe new readonly option makes content read-only at the top level, or for a collection, a file, a singleton or an asset collection. Editors can still browse and preview the content but can’t change ...
Kohei Yoshino
@britegrid.io

This is another example of a data-driven decision. Most people use personal GitHub repositories for company, community and client projects. This means that it’s not a good idea to add features that depend on organizational repository settings.

github.comImplement Sveltia CMS Additions (user management & roles) · Issue #918 · sveltia/sveltia-cmsIt’s mentioned in some places: https://sveltiacms.app/en/docs/intro#target-audience https://sveltiacms.app/en/docs/features#user-management https://sveltiacms.app/en/docs/roadmap https://sveltiacms...
Kohei Yoshino
@britegrid.io

#Jamstack framework watch, October edition: As I said last month, custom tooling has overtaken Next.js and Jekyll, becoming the 5th most popular “framework” among @sveltiacms.app users. Astro and Eleventy are still going up, while all the others are down.

Kohei Yoshino
@britegrid.io

All done by Claude Opus 5.5 🐙

Sveltia CMS@sveltiacms.app

⚠️ SECURITY UPDATE: v0.221.7 fixed four vulnerabilities found in our own code review, including a low-severity XSS with SVG images and a medium-severity issue in the GitLab Editorial Workflow. As always, we recommend using the latest version of Sveltia CMS to benefit from improvements.

github.comRelease v0.221.7 · sveltia/sveltia-cms⚠️ SECURITY UPDATE: Fixed four vulnerabilities found in our own code review: A low-severity XSS vulnerability with SVG images opened from asset and entry previews. A medium-severity vulnerability ...
Kohei Yoshino
@britegrid.io

We launched the showcase in January with 60 sites. While we’ll never know the exact number of users, I can see real growth: a tenfold increase in 8 months. Not bad for a personal project?

Sveltia CMS@sveltiacms.app

Thinking about switching to Sveltia CMS? Check out our showcase, which now has 600 examples from 80 countries! 🔥

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore hundreds of real-world websites using Sveltia CMS across industries, built with Astro, Eleventy, Hugo, other frameworks and vanilla JavaScript.
Kohei Yoshino
@britegrid.io

We’ll never know the exact number of users, but based on my intensive tracking of GitHub repositories, this increase should be accurate. I’m sure no one else in the CMS industry does this kind of research, which includes finding out which CMSs people are migrating from.

Kohei Yoshino
@britegrid.io

#Jamstack framework watch, September edition: Following the mainstream adoption of vanilla JavaScript, custom tooling is gaining traction and is set to surpass Next.js and Jekyll. Together, they now account for 25%+ of static sites. Astro 35%+, Hugo ~10%.

Kohei Yoshino
@britegrid.io

The @svelte.dev team has ignored a regression for 10 days now. Have to pin esrap to 2.3.4; otherwise, builds will fail as they re-introduced the regression in 2.3.5 😐

github.comJSDoc type-cast parentheses applied to function parameters produce invalid output (`(row) = fallback`) — regression in 2.3.3 · Issue #181 · sveltejs/esrapSince 2.3.3 (fix: preserve parantheses of jsdoc type casts, 3cbb677), the cast-parenthesization can fire on the left side of an AssignmentPattern in a function parameter list, where the parentheses...
Kohei Yoshino
@britegrid.io

Well, MessageFormat 2 is a game-changer. We can easily support complex grammars like Arabic, where the plural rule is zero, one, two, few, many and other.

Sveltia CMS@sveltiacms.app

Thanks to the great work by localizers, Sveltia CMS is now available in: Arabic Bulgarian Catalan Chinese (Simplified) Croatian Dutch English (Canada) English (UK) English (US) Finnish French Greek Japanese Korean Polish Portuguese (Brazil) Portuguese (Portugal) Russian Turkish Ukrainian

Kohei Yoshino
@britegrid.io

日本語で書くと politeness level が上がって変な感じ！ 「なおざり」はネイティブじゃないと使わないかもね。

Sveltia CMS@sveltiacms.app

Decap CMS は何年間もメンテナンスがなおざりにされていて、セキュリティ脆弱性も修正されていないのをご存知ですか？ 実質的な後継製品としてゼロから開発され、数百件の改善 を盛り込んでいる Sveltia CMS をぜひお試しください。

sveltiacms.appSuccessor to Netlify CMS (now Decap CMS)Find out how Sveltia CMS became the de facto successor to Netlify CMS and a modern alternative to Decap CMS, offering significant improvements in every area.
Kohei Yoshino
@britegrid.io

Market consolidation continues in the #Jamstack framework sector. The combined market share of #Astro and vanilla #JavaScript among the featured @sveltiacms.app users now exceeds 50%. The top four, including #Eleventy and #Hugo, account for 75%.

Kohei Yoshino
@britegrid.io

GitHub Sponsors is awful. Started on May 19, and I still haven’t received any funds. What’s the point of forcing a 90-day probation period on long-time active users? 🤬

GitHub@github.com

$100 million+ has now been invested in open source maintainers and projects through GitHub Sponsors. 🎉 Nearly 70,000 maintainers and orgs are supported by more than 280,000 sponsors, from individual devs to Fortune 500 companies. Thank you to everyone helping make open source more sustainable. 💚

github.blog$100 million for open source: A milestone built by the communityCelebrating $100 million contributed by the community to the people who build and sustain open source every day.

Kohei Yoshino reposted

Sveltia CMS
@sveltiacms.app

In July, we added over 100 examples to our showcase to highlight how quickly the Sveltia CMS community is growing 🚀 Volunteers have started working on localization to reach more people 🌎 We are impressed by what’s happening! 🥳

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore hundreds of real-world websites using Sveltia CMS across industries, built with Astro, Eleventy, Hugo, other frameworks and vanilla JavaScript.
Kohei Yoshino
@britegrid.io

Svelte’s uneven releases continue. v5.56.5 was shipped 4 weeks after v5.56.4 and contains 10 bug fixes, some of which could have been released earlier. Meanwhile, v5.56.7 was released with only one one seemingly unimportant patch change. They really have no release strategy.

Kohei Yoshino
@britegrid.io

Overall, I think the Svelte team is doing a fantastic job, but delaying bug fixes could lead to a degraded DX, as I argued the other day. The lack of a release strategy undermines their efforts to build a great framework.

Kohei Yoshino
@britegrid.io

If you post something on the job-postings channel on Svelte Discord and it gets deleted straight away, I’m the one who deleted it. Don’t post stupid hire-me comments there.

Kohei Yoshino
@britegrid.io

@sveltiacms.app does a weird thing: It’s written in Svelte, but it supports React-based plugins that mount Svelte components. It’s a framework sandwich! This unique architecture ensures compatibility with Netlify/Decap CMS. 🥪

Kohei Yoshino
@britegrid.io

Looks like the future of Ripple is uncertain, as the maintainer has started a React-like framework called Octane. So @sveltiacms.app has to stick with Svelte for now, but I’ll consider other frameworks at some point.

Kohei Yoshino
@britegrid.io

Next.js, Nuxt and now Svelte. While I’m not a big fan of conspiracy theories and I understand that different teams maintain these frameworks, I feel that it’s Vercel that is making the web inaccessible.

Kohei Yoshino
@britegrid.io

As expected, Hugo is now in 4th place in the framework ranking. I wouldn’t be surprised if vanilla JS overtakes Eleventy as well.

Kohei Yoshino reposted

Sveltia CMS
@sveltiacms.app

We’re thrilled to share insights from our growing showcase of real-world Sveltia CMS examples, now with 300 sites — a remarkable 5x expansion since launching in January. Check out the full report in our GitHub Discussions!

github.comSveltia CMS Community Insights, June 2026 · sveltia sveltia-cms · Discussion #809We’re thrilled to share insights from our growing showcase of real-world Sveltia CMS examples! Since launching in this January, we’ve grown to 300 sites — a remarkable 5x expansion. Our showcase se...
Kohei Yoshino
@britegrid.io

I monitor a bunch of projects on GitHub to develop @sveltiacms.app showcase, but a lot of them never get completed. The failure rate? Maybe 50%. Thanks to AI, it’s never been easier to start new projects, but finishing them is still a big challenge especially for non-tech users.

Kohei Yoshino
@britegrid.io

I’m continuing to discover @11ty.dev sites using @sveltiacms.app! Here’s the current ranking from our showcase: 🥇 Astro: 93 (+3 from last week) 🥈 Eleventy: 42 (+4) 🥉 Hugo: 37 (+1) (Vanilla JS: 32) (+4) Jekyll: 22 (+2) Next.js: 18 (+2) Vanilla JS may soon replace Hugo in third place.

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore 250+ real-world websites using Sveltia CMS across various industries, built with Astro, Eleventy, Hugo, Jekyll, Next.js and other frameworks.
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Kohei Yoshino
@britegrid.io

Astro is a great framework, but monopolies are never good for the market. I know that because I used to work in the browser industry. It’s great to see Eleventy staying strong.

Kohei Yoshino
@britegrid.io

I’m continuing to discover @11ty.dev sites using @sveltiacms.app! Here’s the current ranking from our showcase: 🥇 Astro: 93 (+3 from last week) 🥈 Eleventy: 42 (+4) 🥉 Hugo: 37 (+1) (Vanilla JS: 32) (+4) Jekyll: 22 (+2) Next.js: 18 (+2) Vanilla JS may soon replace Hugo in third place.

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore 250+ real-world websites using Sveltia CMS across various industries, built with Astro, Eleventy, Hugo, Jekyll, Next.js and other frameworks.
Kohei Yoshino
@britegrid.io

Marketer’s note: Your showcase will be a powerful tool if it can provide compelling evidence of how many users have switched from other products to yours. I actually spend an hour every day researching to create this industry-leading showcase 😎

Sveltia CMS@sveltiacms.app

Our showcase now features 100+ sites migrated from Netlify/Decap CMS and 40+ sites migrated from WordPress! We are thrilled to see the growing number of successful migrations and the positive impact it has on our users 🔥

sveltiacms.appSveltia CMS Showcase — Git-based headless CMS examplesExplore 250+ real-world websites using Sveltia CMS across various industries, built with Astro, Eleventy, Hugo, Jekyll, Next.js and other frameworks.