From 591a63877d21d510d0bf4a086baa45905ce5d32a Mon Sep 17 00:00:00 2001 From: Dani Sandoval Date: Sun, 26 Oct 2025 16:46:13 -0600 Subject: [PATCH 1/5] november first draft --- ...11-01-whats-new-in-svelte-november-2025.md | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md diff --git a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md new file mode 100644 index 0000000000..356c966503 --- /dev/null +++ b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md @@ -0,0 +1,92 @@ +--- +title: "What's new in Svelte: November 2025" +description: 'Svelte MCP, typed contexts and improved form validation in remote functions' +author: Dani Sandoval +authorURL: https://dreamindani.com +--- + +The official Svelte MCP server (for all your agentic needs) is now available with its own [section of the docs site](https://svelte.dev/docs/mcp/overview) and [GitHub repo](https://github.com/sveltejs/mcp). If you haven't gotten a chance to try it out with the AI of your choice, definitely take it for a spin. It should replace the copy/pasting of the Svelte docs that's often required to get LLMs to write valid Svelte 5 code. + +But it's not just AIs that have been writing code; our maintainers have too! Let's take a look at what they've been up to in Svelte/Kit before diving into our community showcase... + +## What's new in Svelte + +- `createContext` passes types with a stored context - replacing the need to type every `getContext` return value (**5.40.0**, [Docs](https://svelte.dev/docs/svelte/svelte#createContext), [#16948](https://github.com/sveltejs/svelte/pull/16948)) +- The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/state#state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) +- The experimental `fork` API lets you change some state 'offscreen' in such a way that you can discover any async work resulting from the state change without committing it to the screen. It's still a WIP so check out [the PR](https://github.com/sveltejs/svelte/pull/17004) for more detail and discussion (**5.42.0**, [#17004](https://github.com/sveltejs/svelte/pull/17004)) + +For a full list of changes - including the dozens of valuable bugfixes that went into the releases this month - check out the Svelte compiler's [CHANGELOG](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md). + +## What's new in SvelteKit + +- `event.route` and `event.url` are now available in remote functions making it easier to know which page a remote function was called from (**2.44.0**, [Docs](https://svelte.dev/docs/kit/remote-functions), [#14606](https://github.com/sveltejs/kit/pull/14606)) +- `form.for(id)` will now implicitly set an id on the form object (**2.45.0**, [Docs](https://svelte.dev/docs/kit/remote-functions#form-Multiple-instances-of-a-form), [#14623](https://github.com/sveltejs/kit/pull/14623)) +- Form validation can now be done imperatively in cases where it can't be done via a schema (**2.46.0**, [Docs](https://svelte.dev/docs/kit/remote-functions#form-Programmatic-validation), [#14624](https://github.com/sveltejs/kit/pull/14624)) +- The new signal request property provides the `AbortSignal` associated with the request (**2.47.0**, [MDN Docs](https://developer.mozilla.org/en-US/docs/Web/API/Request/signal), [#14715](https://github.com/sveltejs/kit/pull/14715)) +- Kit will now use the experimental `fork` API when it's available. See the Svelte updates above for more info (**2.48.0**, [#14793](https://github.com/sveltejs/kit/pull/14793)) + +--- + +## Community Showcase + +### Apps & Sites built with Svelte + +- [Deep Time](https://www.abc.net.au/news/deeptime/) is an interactive article from ABC Australia that tells the story of the Aboriginal and Torres Strait Islander peoples +- [Ririkku](https://demo.ririkku.com/) (リリック) is a karaoke-style music player with an intelligent Japanese text analyzer built-in +- [Glucose](https://github.com/rudi-q/glucose_media_player) is an ultra-lightweight, video player for Windows with AI powered subtitle generation +- [Restring](https://restring.dev/) is a fast, smart toolbox for dev tasks like formatting JSON, decoding JWTs, and converting strings +- [Huly](https://github.com/hcengineering/platform) is an all-in-one project management platform (alternative to Linear, Jira, Slack, Notion, Motion) +- [Nokiafied](https://nokiafied.pages.dev/) converts your videos into super low-quality Nokia phone style videos for memes + +### Learning Resources + +_Featuring Svelte Contributors and Ambassadors_ + +- [Full Stack SvelteKit CRUD App Using Remote Functions Tutorial](https://www.youtube.com/watch?v=Ldnmirx0QtI), [How Svelte Reactivity Works](https://www.youtube.com/watch?v=M5oAYP6Rxkg) and [Stop Looking For Code And Use The Svelte Inspector](https://www.youtube.com/watch?v=Qglbt8M8H_w) by Joy of Code +- [Storybook is actually good now, with Jeppe Reinhold](https://www.svelteradio.com/episodes/storybook-is-actually-good-now-with-jeppe-reinhold) and [Macrodata Refinement with Ken Kunz](https://www.svelteradio.com/episodes/macrodata-refinement-with-ken-kunz) by Svelte Radio + +_This Week in Svelte_ + +- [Ep. 119](https://www.youtube.com/watch?v=f6zLcQxMsU4) — svelte.dev/packages +- [Ep. 120](https://www.youtube.com/watch?v=P8jdPBKwq54) — Storybook for Svelte Part 3: Testing +- [Ep. 121](https://www.youtube.com/watch?v=V-j4w6j8OB4) — Svelte MCP Server +- [Ep. 122](https://www.youtube.com/watch?v=o4kcABS-XH4) — svedit.dev + +_Svelte London - October 2025_ + +You can [watch the full video on YouTube](https://www.youtube.com/watch?v=fsWp3bvLA4cQ) or skip to the specific talks below: + +- [Precision vs Prediction: The Trouble with LLMs and Libraries](https://www.youtube.com/live/fsWp3bvLA4c?si=x0OR5XQVjIo64xjS&t=712) by Maria Gorinova (Tessl AI Research) +- [Building a game level editor with SvelteKit](https://www.youtube.com/live/fsWp3bvLA4c?si=i_Sgf-kpwV7UVSex&t=3985) by Elliot Bentley + +_To Read_ + +- [Svelte really is that fast](https://chuniversiteit.nl/papers/svelte-is-fast) by Chun Fei Lung +- [SvelteKit Remote Functions - Interactive Showcase](https://github.com/wiesson/svelte-async-remote-fn) by Arne Wiese + +_To Watch_ + +- [I Was Wrong About Svelte...](https://www.youtube.com/watch?v=IpJh0VEzMRo) by Ben Davis +- [BetterAuth and Google Login on Cloudflare Workers with SvelteKit](https://www.youtube.com/watch?v=zIvGs0FOMvA) by Jilles Soeters + + +### Libraries, Tools & Components + +- [aphex](https://github.com/IcelandicIcecream/aphex) is a modern, extensible headless CMS featuring a portable core package, database/storage agnostic adapters, and a Sanity-inspired admin interface +- [svelte-o-phone](https://github.com/kevwpl/svelte-o-phone) is a flexible, headless phone number input component powered by `libphonenumber-js` +- [motion-svelte](https://github.com/hanielu/motion-svelte) is an attempt to bring a Motion (formerly known as Framer Motion) to Svelte +- [better-captcha](https://github.com/LuggaPugga/better-captcha/) provides framework-agnostic wrappers for a bunch of captcha providers +- [svelte-runtime-template](https://www.npmjs.com/package/svelte-runtime-template) is a lightweight Svelte component for handling tempolates at runtime with curly brace subsitutions in text content +- [RetroUI](https://retroui-svelte.netlify.app/) is a copy/pastable component library built for Svelte with `shadcn-svelte` + + +_Notable Library Updates_ + +- [Biome 2.3](https://biomejs.dev/blog/biome-v2-3/) has introduced full support for Svelte as a formatting/linting tool +- [Skeleton](https://github.com/skeletonlabs/skeleton/discussions/3920) - the Svelte-native component library - just released its v5 version with a ton of quality of life improvements +- [Tanstack Query Svelte v6](https://tanstack.com/query/latest/docs/framework/svelte/migrate-from-v5-to-v6) is now based on the runes syntax + + +That's it for this month! Let us know if we missed anything on [Reddit](https://www.reddit.com/r/sveltejs/) or [Discord](https://discord.gg/svelte). + +Until next time 👋🏼! From f245d826581cdbc87c359d3007593d57aaefbf67 Mon Sep 17 00:00:00 2001 From: Dani Sandoval Date: Fri, 31 Oct 2025 08:00:57 -0600 Subject: [PATCH 2/5] respond to PR feedback --- ...11-01-whats-new-in-svelte-november-2025.md | 20 ++++++------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md index 356c966503..0f8a8c4e02 100644 --- a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md +++ b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md @@ -5,7 +5,7 @@ author: Dani Sandoval authorURL: https://dreamindani.com --- -The official Svelte MCP server (for all your agentic needs) is now available with its own [section of the docs site](https://svelte.dev/docs/mcp/overview) and [GitHub repo](https://github.com/sveltejs/mcp). If you haven't gotten a chance to try it out with the AI of your choice, definitely take it for a spin. It should replace the copy/pasting of the Svelte docs that's often required to get LLMs to write valid Svelte 5 code. +The official Svelte MCP server (for all your agentic needs) is now available with its own [section of the docs site](https://svelte.dev/docs/mcp/overview) and [GitHub repo](https://github.com/sveltejs/mcp). If you haven't gotten a chance to try it out with the AI of your choice, definitely take it for a spin. It should replace the copy/pasting of the Svelte docs that's often required to get LLMs to write valid Svelte 5 code and can provide suggestions on the generated code with static analysis. But it's not just AIs that have been writing code; our maintainers have too! Let's take a look at what they've been up to in Svelte/Kit before diving into our community showcase... @@ -13,7 +13,7 @@ But it's not just AIs that have been writing code; our maintainers have too! Let - `createContext` passes types with a stored context - replacing the need to type every `getContext` return value (**5.40.0**, [Docs](https://svelte.dev/docs/svelte/svelte#createContext), [#16948](https://github.com/sveltejs/svelte/pull/16948)) - The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/state#state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) -- The experimental `fork` API lets you change some state 'offscreen' in such a way that you can discover any async work resulting from the state change without committing it to the screen. It's still a WIP so check out [the PR](https://github.com/sveltejs/svelte/pull/17004) for more detail and discussion (**5.42.0**, [#17004](https://github.com/sveltejs/svelte/pull/17004)) +- The `fork` API lets you change some state 'offscreen' in such a way that you can discover any async work resulting from the state change without committing it to the screen. (**5.42.0**, [Docs](https://svelte.dev/docs/svelte/await-expressions#Forking), [#17004](https://github.com/sveltejs/svelte/pull/17004)) For a full list of changes - including the dozens of valuable bugfixes that went into the releases this month - check out the Svelte compiler's [CHANGELOG](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md). @@ -23,7 +23,7 @@ For a full list of changes - including the dozens of valuable bugfixes that went - `form.for(id)` will now implicitly set an id on the form object (**2.45.0**, [Docs](https://svelte.dev/docs/kit/remote-functions#form-Multiple-instances-of-a-form), [#14623](https://github.com/sveltejs/kit/pull/14623)) - Form validation can now be done imperatively in cases where it can't be done via a schema (**2.46.0**, [Docs](https://svelte.dev/docs/kit/remote-functions#form-Programmatic-validation), [#14624](https://github.com/sveltejs/kit/pull/14624)) - The new signal request property provides the `AbortSignal` associated with the request (**2.47.0**, [MDN Docs](https://developer.mozilla.org/en-US/docs/Web/API/Request/signal), [#14715](https://github.com/sveltejs/kit/pull/14715)) -- Kit will now use the experimental `fork` API when it's available. See the Svelte updates above for more info (**2.48.0**, [#14793](https://github.com/sveltejs/kit/pull/14793)) +- Kit will now use the `fork` API when it's available. See the Svelte updates above for more info (**2.48.0**, [#14793](https://github.com/sveltejs/kit/pull/14793)) --- @@ -37,12 +37,14 @@ For a full list of changes - including the dozens of valuable bugfixes that went - [Restring](https://restring.dev/) is a fast, smart toolbox for dev tasks like formatting JSON, decoding JWTs, and converting strings - [Huly](https://github.com/hcengineering/platform) is an all-in-one project management platform (alternative to Linear, Jira, Slack, Notion, Motion) - [Nokiafied](https://nokiafied.pages.dev/) converts your videos into super low-quality Nokia phone style videos for memes +- [Contracko](https://contracko.com/) is an AI contract management platform for small businesses ### Learning Resources _Featuring Svelte Contributors and Ambassadors_ - [Full Stack SvelteKit CRUD App Using Remote Functions Tutorial](https://www.youtube.com/watch?v=Ldnmirx0QtI), [How Svelte Reactivity Works](https://www.youtube.com/watch?v=M5oAYP6Rxkg) and [Stop Looking For Code And Use The Svelte Inspector](https://www.youtube.com/watch?v=Qglbt8M8H_w) by Joy of Code +- [I Was Wrong About Svelte...](https://www.youtube.com/watch?v=IpJh0VEzMRo) by Ben Davis - [Storybook is actually good now, with Jeppe Reinhold](https://www.svelteradio.com/episodes/storybook-is-actually-good-now-with-jeppe-reinhold) and [Macrodata Refinement with Ken Kunz](https://www.svelteradio.com/episodes/macrodata-refinement-with-ken-kunz) by Svelte Radio _This Week in Svelte_ @@ -59,14 +61,9 @@ You can [watch the full video on YouTube](https://www.youtube.com/watch?v=fsWp3b - [Precision vs Prediction: The Trouble with LLMs and Libraries](https://www.youtube.com/live/fsWp3bvLA4c?si=x0OR5XQVjIo64xjS&t=712) by Maria Gorinova (Tessl AI Research) - [Building a game level editor with SvelteKit](https://www.youtube.com/live/fsWp3bvLA4c?si=i_Sgf-kpwV7UVSex&t=3985) by Elliot Bentley -_To Read_ +_To Read / Watch_ -- [Svelte really is that fast](https://chuniversiteit.nl/papers/svelte-is-fast) by Chun Fei Lung - [SvelteKit Remote Functions - Interactive Showcase](https://github.com/wiesson/svelte-async-remote-fn) by Arne Wiese - -_To Watch_ - -- [I Was Wrong About Svelte...](https://www.youtube.com/watch?v=IpJh0VEzMRo) by Ben Davis - [BetterAuth and Google Login on Cloudflare Workers with SvelteKit](https://www.youtube.com/watch?v=zIvGs0FOMvA) by Jilles Soeters @@ -78,11 +75,6 @@ _To Watch_ - [better-captcha](https://github.com/LuggaPugga/better-captcha/) provides framework-agnostic wrappers for a bunch of captcha providers - [svelte-runtime-template](https://www.npmjs.com/package/svelte-runtime-template) is a lightweight Svelte component for handling tempolates at runtime with curly brace subsitutions in text content - [RetroUI](https://retroui-svelte.netlify.app/) is a copy/pastable component library built for Svelte with `shadcn-svelte` - - -_Notable Library Updates_ - -- [Biome 2.3](https://biomejs.dev/blog/biome-v2-3/) has introduced full support for Svelte as a formatting/linting tool - [Skeleton](https://github.com/skeletonlabs/skeleton/discussions/3920) - the Svelte-native component library - just released its v5 version with a ton of quality of life improvements - [Tanstack Query Svelte v6](https://tanstack.com/query/latest/docs/framework/svelte/migrate-from-v5-to-v6) is now based on the runes syntax From afe5e35a63d0e7d6dda4aed5884f428605a6f329 Mon Sep 17 00:00:00 2001 From: Tee Ming Chew Date: Mon, 3 Nov 2025 09:14:31 +0800 Subject: [PATCH 3/5] format --- .../blog/2025-11-01-whats-new-in-svelte-november-2025.md | 2 -- 1 file changed, 2 deletions(-) diff --git a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md index 0f8a8c4e02..5a74badc8f 100644 --- a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md +++ b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md @@ -66,7 +66,6 @@ _To Read / Watch_ - [SvelteKit Remote Functions - Interactive Showcase](https://github.com/wiesson/svelte-async-remote-fn) by Arne Wiese - [BetterAuth and Google Login on Cloudflare Workers with SvelteKit](https://www.youtube.com/watch?v=zIvGs0FOMvA) by Jilles Soeters - ### Libraries, Tools & Components - [aphex](https://github.com/IcelandicIcecream/aphex) is a modern, extensible headless CMS featuring a portable core package, database/storage agnostic adapters, and a Sanity-inspired admin interface @@ -78,7 +77,6 @@ _To Read / Watch_ - [Skeleton](https://github.com/skeletonlabs/skeleton/discussions/3920) - the Svelte-native component library - just released its v5 version with a ton of quality of life improvements - [Tanstack Query Svelte v6](https://tanstack.com/query/latest/docs/framework/svelte/migrate-from-v5-to-v6) is now based on the runes syntax - That's it for this month! Let us know if we missed anything on [Reddit](https://www.reddit.com/r/sveltejs/) or [Discord](https://discord.gg/svelte). Until next time 👋🏼! From c75c2516fc8a2147154f80db2c7f987dec4b6880 Mon Sep 17 00:00:00 2001 From: Tee Ming Chew Date: Mon, 3 Nov 2025 09:19:51 +0800 Subject: [PATCH 4/5] fix link --- .../blog/2025-11-01-whats-new-in-svelte-november-2025.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md index 5a74badc8f..60c3a71bb4 100644 --- a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md +++ b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md @@ -12,7 +12,7 @@ But it's not just AIs that have been writing code; our maintainers have too! Let ## What's new in Svelte - `createContext` passes types with a stored context - replacing the need to type every `getContext` return value (**5.40.0**, [Docs](https://svelte.dev/docs/svelte/svelte#createContext), [#16948](https://github.com/sveltejs/svelte/pull/16948)) -- The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/state#state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) +- The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/$state#state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) - The `fork` API lets you change some state 'offscreen' in such a way that you can discover any async work resulting from the state change without committing it to the screen. (**5.42.0**, [Docs](https://svelte.dev/docs/svelte/await-expressions#Forking), [#17004](https://github.com/sveltejs/svelte/pull/17004)) For a full list of changes - including the dozens of valuable bugfixes that went into the releases this month - check out the Svelte compiler's [CHANGELOG](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md). From f2d3335706a983cf6f9ade35165f9a7d2b787274 Mon Sep 17 00:00:00 2001 From: Tee Ming Chew Date: Mon, 3 Nov 2025 09:40:42 +0800 Subject: [PATCH 5/5] fix another link --- .../blog/2025-11-01-whats-new-in-svelte-november-2025.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md index 60c3a71bb4..7c773f093a 100644 --- a/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md +++ b/apps/svelte.dev/content/blog/2025-11-01-whats-new-in-svelte-november-2025.md @@ -12,7 +12,7 @@ But it's not just AIs that have been writing code; our maintainers have too! Let ## What's new in Svelte - `createContext` passes types with a stored context - replacing the need to type every `getContext` return value (**5.40.0**, [Docs](https://svelte.dev/docs/svelte/svelte#createContext), [#16948](https://github.com/sveltejs/svelte/pull/16948)) -- The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/$state#state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) +- The `$state.eager(value)` rune will update the UI immediately instead of waiting for the correspnding `await` to resolve (**5.41.0**, [Docs](https://svelte.dev/docs/svelte/$state#$state.eager), [#16849](https://github.com/sveltejs/svelte/pull/16849)) - The `fork` API lets you change some state 'offscreen' in such a way that you can discover any async work resulting from the state change without committing it to the screen. (**5.42.0**, [Docs](https://svelte.dev/docs/svelte/await-expressions#Forking), [#17004](https://github.com/sveltejs/svelte/pull/17004)) For a full list of changes - including the dozens of valuable bugfixes that went into the releases this month - check out the Svelte compiler's [CHANGELOG](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md).