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Libraries, Frameworks, etc.

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  • ESLint BlogLibraries, Frameworks, etc.2 min read

    ESLint v10.12.0 released

    Highlights Support for tokens and comments in SourceCode Rule authors often work with ESLint’s SourceCode object, which represents the JavaScript source code being linted. Its getText() , getLoc() , and getRange() methods have always accepted a node, token, or comment, but the…

  • Svelte blogLibraries, Frameworks, etc.read at source

    SvelteKit 3 is here

    Version 3.0 of SvelteKit, the official application framework for Svelte, is now available. If you’ve used earlier versions of SvelteKit, everything will feel very familiar — it’s the same framework with a little more polish, a little more type safety, and a little less junk. We’ve made migration as seamless as we can with the sv migrate command... npx sv migrate sveltekit - 3 -- tasks all -- confirm ...which will automatically migrate as much of your codebase as possible, and generate a TODO list for everything else. (If you’re agentically inclined, your robot friends will make short work of it.) To create a new app, run sv create : npx sv create my - new - app As with any major version bump there are a handful of breaking changes to be aware of, which are covered in the migration guide (or, more briefly, in the recent release candidate announcement ). Quick highlights: configuration now lives in vite.config.ts instead of svelte.config.js the $lib alias is now #lib , making use of standard subpath imports environment variables are more powerful and easier to use service workers are less boilerplatey error handling is improved across the board Are remote functions ready yet? Not quite. But it’s our top priority! Remote functions are a set of utilities for secure, efficient, type-safe client-server communication. You’ve likely seen some version of this idea in other frameworks, but we think you’re going to prefer this one. Using them requires Async Svelte , which for now requires an experimental flag. Bear with us. Join us in Ljubljana next month This is as good a place as any to remind everyone that the next in-person Svelte Summit is taking place on November 19-20 in the lovely town of Ljubljana, Slovenia. Among other things it will be a celebration of Svelte’s 10th birthday, and we’d love to share some cake with you.

  • Svelte blogLibraries, Frameworks, etc.read at source

    What’s new in Svelte: October 2026

    SvelteKit 3 is here! Check out the announcement post for the highlights, then run sv migrate to handle most of the upgrade for you. sv itself hit 1.0 on the same day, making the community add-on API official. Below you’ll find the last round of changes that landed before 3.0 - adapter API updates, zero-config deploys to Render and a few final breaking changes. Svelte Summit is also back for Svelte’s 10th birthday! It’s happening in Ljubljana on November 19-20 with talks from Rich Harris, Elliott Johnson, Paolo Ricciuti, Stanislav Khromov, pngwn and more. In-person and virtual tickets are available at sveltesummit.com . Svelte itself had a quiet month - 5.57.1 is all bug fixes and parser performance work. Per usual, there’s still plenty in the showcase... so let’s dive in! What’s new in SvelteKit 3 Adapters now receive the Svelte config as a function argument when adding Vite plugins ( 3.0.0-next.27 , #16986 ) Adapters can override getRequest and setResponse during vite dev and vite preview , so local requests behave more like the target platform ( 3.0.0-next.27 , Docs , #16753 ) Node: static assets are now served from tables recorded at build time instead of sirv ( adapter-node@6.0.0-next.13 , Docs , #16908 ) Netlify: the split and edge options can now be used together ( adapter-netlify@7.0.0-next.12 , Docs , #17045 ) adapter-auto now supports zero-config deployments to Render ( adapter-auto@8.0.0-next.4 , Docs , #16850 ) svelte-package now rewrites import aliases like #lib into relative imports, and warns when a .server. file or server directory doesn’t import a server-only module ( package@3.0.0 , #16360 , #16266 ) Breaking changes from the final prereleases The server now errors when a client-requested single-flight mutation refresh isn’t handled. Use ignore() or ignoreAll() on requested to skip a refresh on purpose ( 3.0.0-next.27 , Docs , #16892 ) Environment variables are now populated before instrumentation.server.js is evaluated, and the adapter instrumentation API has been updated to match ( 3.0.0-next.27 , Docs , #16303 ) builder.generateManifest has been replaced with builder.generateServerInstance and builder.manifest , and the Server constructor and SSRManifest type are no longer public ( 3.0.0-next.27 , Docs , #16875 , #16876 ) Query parameters beginning with x-sveltekit- are now rejected ( 3.0.0-next.28 , #17125 ) Cloudflare: the platform object has been removed. Bindings now come from an emulated cloudflare:workers module instead ( adapter-cloudflare@8.0.0-next.7 , Docs , #16754 ) Node: only static assets present at build time are served, they’re validated with content-hash ETag s instead of Last-Modified , and they only respond to GET and HEAD requests ( adapter-node@6.0.0-next.13 , Docs , #16908 ) Netlify: static files are now written based on the publish adapter option rather than reading netlify.toml ( adapter-netlify@7.0.0-next.12 , Docs , #17078 ) Upgrading an existing app? The migration guide covers every breaking change in 3.0. For all the bug fixes that went into the release, check out the SvelteKit / Adapter CHANGELOGs . What’s new in the Svelte CLI and AI Tools The drizzle add-on can now set up SQLite with Node’s built-in node:sqlite module ( sv@0.17.1 , Docs , #1206 ) sv 1.0 is out! New projects use SvelteKit 3 and #lib , and sv migrate sveltekit-3 upgrades existing apps ( sv@1.0.0 , Docs , #1138 ) The community add-on API is now official, and sv create can scaffold a new add-on from the addon template ( sv@1.0.0 , Docs , #1308 ) @sveltejs/enhanced-img is now available as an official add-on via sv add enhanced-img ( sv@1.0.0 , Docs , #1300 ) The Svelte OpenCode plugin now supports OpenCode V2 ( opencode@0.1.15 , #258 ) For all the bug fixes and performance improvements that went into Svelte 5.57.1 this month, check out the Svelte compiler’s CHANGELOG . CLI and AI tools updates can be found in the Svelte CLI and ai-tools releases. Community Showcase Apps & Sites built with Svelte Docvia is a framework-agnostic documentation library Powermove is an open-source video editor where an agent can add or fork panels, effects and workflows as extensions while the app is running npmchart lets you analyze and compare npm downloads, releases and GitHub activity for any package, from LayerChart author Sean Lynch GFX Computer is a graphics tool from Scott Tolinski built on TypeGPU and GSAP (requires HTML-in-Canvas to be enabled) PicoCAD 2 Web Viewer renders PicoCAD 2 models in the browser with optional special effects and GIF export VisuallyJs Circuit Diagram is a starter app for building an electronic circuit designer with VisuallyJs IMPIB is an in-browser image workflow for compressing, cropping and packaging responsive image variants, all processed locally with WebAssembly codecs Supvan Katasymbol Printer Web UI lets you print to Katasymbol thermal label printers straight from the browser on any computer or phone Deskfolk is a private AI team on your Mac that asks before risky moves and shows its work uptik schedules your video uploads so you don’t have to watch the clock to hit publish Mini Game Zone is a browser-based party game where two teams compete in quick mini-games like color matching and word races Arknights: Endfield Factory Planner helps you plan factories in Arknights: Endfield, with a Zig/WASM solver doing the heavy lifting SPIRAL WARDEN is an arena shooter/survival browser game with a Svelte UI on top of Phaser 3 physics Learning Resources Featuring Svelte Contributors and Ambassadors Make native desktop apps with Svelte 5 today using Custom Renderers by Code with Stanislav (featuring this WIP library ) WebMCP Challenge - GFX Computer by Scott Tolinski UI Libraries do not make your application accessible and Hello, Blog! by Enrico Sacchetti This Week in Svelte Ep. 150 Ep. 151 - Building a simple Svelte REPL Ep. 152 Ep. 153 Libraries, Tools & Components UI Components Sivir UI (last featured as Neel/UI in April 2024) has been rewritten as a shadcn-style component library built to be as themeable as possible FluentUI Svelte brings Microsoft’s Fluent UI to Svelte, now at 37 components with v0.4 Baby UI is a large collection of animation-first UI components horizon-layout is a zero-dependency IDE-style layout manager with dockable panes, draggable tabs, resizable splits and pop-out windows svelte5plus-calendar and svelte-json-discovery are zero-dependency calendar and JSON structure viewers, respectively Svelte-pasito is a dependency-free, customizable step indicator component Theme Toggles is a set of animated light/dark theme toggles that now supports Svelte Markdown Tools, Editors and Syntax Highlighting Twinkleplop is a delightful syntax highlighter from pngwn fractalpop is an SSR-safe, async syntax highlighter for SvelteKit that works with mdsvex and ships with Editor and Code Snippet components aragonite is a from-scratch markdown editor library for Svelte that doesn’t wrap ProseMirror or another editor svmd compiles CommonMark markdown straight into Svelte component source, so components and reactive expressions work inside your .md files Editable 2.0 is now in preview, letting clients edit text, images and videos directly on a Svelte site without a CMS svedocs is a customizable documentation framework built with SvelteKit Dev Tools Railway now offers an out-of-the-box SvelteKit template for hosting everything from static blogs to full-stack apps svebcomponents provides boilerplate-free, type-safe, server-renderable web components svdevtools is an early preview of a devtools package that lets you inspect components, props and state That’s it for this month! Let us know if we missed anything on Reddit or Discord . Until next time 👋🏼!

  • Netlify BlogLibraries, Frameworks, etc.read at source

    How we built Git storage for millions of Netlify projects

    A technical look at how Netlify built Netlify Source: durable Git storage on S3, scalable caching, push consistency, and support for millions of projects.

  • Sass BlogLibraries, Frameworks, etc.5 min read

    The Road to Dart Sass 2

    When we first released Dart Sass 1.0.0 in March 2018, our goals were clear: We wanted to retain the original Ruby Sass implementation's commitment to fixing bugs quickly and consistently keeping up with the evolving CSS spec as well as new Sass language features. We wanted to…

  • Next.js BlogLibraries, Frameworks, etc.read at source

    Next.js Security Update for a Critical Upstream Issue

    The September 22, 2026 out-of-band security update for Next.js is now available

  • Next.js BlogLibraries, Frameworks, etc.read at source

    Upcoming Next.js Security Update for a Critical Upstream Issue

    Next.js 16.3.6 and 15.5.26 are planned for a critical out-of-band security update on September 22, 2026.

  • ESLint BlogLibraries, Frameworks, etc.2 min read

    ESLint v10.11.0 released

    Highlights Faster startup and linting This release includes a set of performance improvements across ESLint’s core linting pipeline and the stylish formatter. Linting results and the public API are unchanged: the same files produce the same messages as before, just faster. The…

  • The Astro BlogLibraries, Frameworks, etc.read at source

    Affordable and Fast Migration

    How Evil Martians moved from Gatsby to Astro in nine days without rewriting a single React component

  • Eleventy BlogLibraries, Frameworks, etc.1 min read

    New Sponsorship Tiers for the Build Awesome Kickstarter

    We’ve added a bit more information about the new sponsorship tiers for the Build Awesome Kickstarter . Your company uses Eleventy currently or wants to support the Build Awesome platform moving forward. You’re interested in getting your brand icon in the Font Awesome Icon…