Svelte
@svelte.dev
Web development for the rest of us. See also:
- community: @sveltesociety.dev
- starter pack: https://bsky.app/starter-pack/did:plc:nlvjelw3dy3pddq7qoglleko/3l6ucetngs423
- feed: https://bsky.app/profile/paolo.ricciuti.me/feed/svelte-feed
- community: @sveltesociety.dev
- starter pack: https://bsky.app/starter-pack/did:plc:nlvjelw3dy3pddq7qoglleko/3l6ucetngs423
- feed: https://bsky.app/profile/paolo.ricciuti.me/feed/svelte-feed
We've released fixes for 5 CVEs affecting the Svelte ecosystem. Please upgrade your apps!
Read the post to learn if you're affected:
svelte.dev/blog/cves-af...
Read the post to learn if you're affected:
svelte.dev/blog/cves-af...
CVEs affecting the Svelte ecosystem
Time to upgrade
svelte.dev
January 15, 2026 at 5:27 PM
We've released fixes for 5 CVEs affecting the Svelte ecosystem. Please upgrade your apps!
Read the post to learn if you're affected:
svelte.dev/blog/cves-af...
Read the post to learn if you're affected:
svelte.dev/blog/cves-af...
day 24 — it's very important, especially at this time of festive indulgence, to stay hydrated. @paolo.ricciuti.me shows us a new trick for passing data from server to client, using `hydratable`
docs: svelte.dev/docs/svelte/...
and that's a wrap! thanks for tuning in everyone, and happy holidays 🎄
docs: svelte.dev/docs/svelte/...
and that's a wrap! thanks for tuning in everyone, and happy holidays 🎄
Advent of Svelte 2025 - Day 24: hydratable #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 24, 2025 at 4:39 PM
day 24 — it's very important, especially at this time of festive indulgence, to stay hydrated. @paolo.ricciuti.me shows us a new trick for passing data from server to client, using `hydratable`
docs: svelte.dev/docs/svelte/...
and that's a wrap! thanks for tuning in everyone, and happy holidays 🎄
docs: svelte.dev/docs/svelte/...
and that's a wrap! thanks for tuning in everyone, and happy holidays 🎄
day 23 — @paolo.ricciuti.me is back to show you how to give your 🤖 super powers with the Svelte MCP server
docs: svelte.dev/docs/mcp/ove...
docs: svelte.dev/docs/mcp/ove...
Advent of Svelte 2025 - Day 23: the svelte community #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 23, 2025 at 10:05 PM
day 23 — @paolo.ricciuti.me is back to show you how to give your 🤖 super powers with the Svelte MCP server
docs: svelte.dev/docs/mcp/ove...
docs: svelte.dev/docs/mcp/ove...
day 22 — it's @kevinak.se with tips on how to find (or start!) your local svelte community, wherever you are in the world
details: sveltesociety.dev/events
details: sveltesociety.dev/events
Advent of Svelte 2025 - Day 22: the svelte community #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 23, 2025 at 2:51 AM
day 22 — it's @kevinak.se with tips on how to find (or start!) your local svelte community, wherever you are in the world
details: sveltesociety.dev/events
details: sveltesociety.dev/events
day 21 — special guest mrs @paolo.ricciuti.me teaches us all about creating type-safe component context with the new `createContext` utility. no more `getContext(key) as MyContext`!
www.youtube.com/shorts/ouM0c...
www.youtube.com/shorts/ouM0c...
Advent of Svelte 2025 - Day 21: createContext #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 22, 2025 at 9:08 PM
day 21 — special guest mrs @paolo.ricciuti.me teaches us all about creating type-safe component context with the new `createContext` utility. no more `getContext(key) as MyContext`!
www.youtube.com/shorts/ouM0c...
www.youtube.com/shorts/ouM0c...
day 20 — ben davis explains why Svelte is out of order. but, like, in a good way: the compiler ensures that your app doesn't succumb to unnecessary waterfalls when you use `await` in your components
like yesterday's video, no docs for this one — it Just Works
like yesterday's video, no docs for this one — it Just Works
Advent of Svelte 2025 - Day 20: Out of Order Streaming #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 21, 2025 at 12:23 AM
day 20 — ben davis explains why Svelte is out of order. but, like, in a good way: the compiler ensures that your app doesn't succumb to unnecessary waterfalls when you use `await` in your components
like yesterday's video, no docs for this one — it Just Works
like yesterday's video, no docs for this one — it Just Works
day 19 — @paolo.ricciuti.me is back with a demo of streaming file uploads, which let you handle bigger files (no need to buffer everything on the server) and validate your forms instantly
no docs for this one! just update to the latest version of SvelteKit
no docs for this one! just update to the latest version of SvelteKit
Advent of Svelte 2025 - Day 19: stream upload #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 19, 2025 at 5:32 PM
day 19 — @paolo.ricciuti.me is back with a demo of streaming file uploads, which let you handle bigger files (no need to buffer everything on the server) and validate your forms instantly
no docs for this one! just update to the latest version of SvelteKit
no docs for this one! just update to the latest version of SvelteKit
day 17 — Babbo Natale, sorry, I mean @paolo.ricciuti.me — is... eager to bring you a gift. if you've been nice, that is
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
Advent of Svelte 2025 - Day 17: $state.eager #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
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December 17, 2025 at 10:16 PM
day 17 — Babbo Natale, sorry, I mean @paolo.ricciuti.me — is... eager to bring you a gift. if you've been nice, that is
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
days 15 and 16 (apologies for the brief disruption in service!) —
• `command(...)` www.youtube.com/watch?v=DUM1...
• optimistic updates www.youtube.com/watch?v=qUfK...
combining all these, you can build type-safe, data-efficient apps that respond instantly
docs here: svelte.dev/docs/kit/rem...
• `command(...)` www.youtube.com/watch?v=DUM1...
• optimistic updates www.youtube.com/watch?v=qUfK...
combining all these, you can build type-safe, data-efficient apps that respond instantly
docs here: svelte.dev/docs/kit/rem...
Advent of Svelte 2025 - Day 15: command #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 17, 2025 at 2:43 AM
days 15 and 16 (apologies for the brief disruption in service!) —
• `command(...)` www.youtube.com/watch?v=DUM1...
• optimistic updates www.youtube.com/watch?v=qUfK...
combining all these, you can build type-safe, data-efficient apps that respond instantly
docs here: svelte.dev/docs/kit/rem...
• `command(...)` www.youtube.com/watch?v=DUM1...
• optimistic updates www.youtube.com/watch?v=qUfK...
combining all these, you can build type-safe, data-efficient apps that respond instantly
docs here: svelte.dev/docs/kit/rem...
day 14: remote functions part three! today: the `prerender` function, which (unlike the existing prerender page config) lets you mix and match static and dynamic data
docs: svelte.dev/docs/kit/rem...
docs: svelte.dev/docs/kit/rem...
Advent of Svelte 2025 - Day 14: prerender #sveltejs #webdevelopment #javascript
YouTube video by Svelte Society
www.youtube.com
December 15, 2025 at 2:16 AM
day 14: remote functions part three! today: the `prerender` function, which (unlike the existing prerender page config) lets you mix and match static and dynamic data
docs: svelte.dev/docs/kit/rem...
docs: svelte.dev/docs/kit/rem...
day 13: remote functions part two, with @dummdidumm.bsky.social. today, a brief introduction to the best
Advent of Svelte 2025 - Day 13: form #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
youtu.be
December 14, 2025 at 2:27 AM
day 13: remote functions part two, with @dummdidumm.bsky.social. today, a brief introduction to the best
day 12: @dummdidumm.bsky.social brings us the first of several videos introducing remote functions, starting with `query`. expect to hear more about these in 2026!
docs: svelte.dev/docs/kit/rem...
docs: svelte.dev/docs/kit/rem...
Advent of Svelte 2025 - Day 12: query #javascript #sveltejs #webdevelopment
YouTube video by Svelte Society
www.youtube.com
December 12, 2025 at 5:11 PM
day 12: @dummdidumm.bsky.social brings us the first of several videos introducing remote functions, starting with `query`. expect to hear more about these in 2026!
docs: svelte.dev/docs/kit/rem...
docs: svelte.dev/docs/kit/rem...
day 11: @jyc.dev — and his little helpers — take us on an adventure... using SvelteKit's `resolve` and `asset` to keep us safe from broken links
- `resolve(...)` docs svelte.dev/docs/kit/$ap...
- `asset(...)` docs svelte.dev/docs/kit/$ap...
www.youtube.com/watch?v=Ekhb...
- `resolve(...)` docs svelte.dev/docs/kit/$ap...
- `asset(...)` docs svelte.dev/docs/kit/$ap...
www.youtube.com/watch?v=Ekhb...
Advent of Svelte 2025 - Day 11: resolve and asset #coding #sveltejs #javascript
YouTube video by Svelte Society
www.youtube.com
December 11, 2025 at 3:24 PM
day 11: @jyc.dev — and his little helpers — take us on an adventure... using SvelteKit's `resolve` and `asset` to keep us safe from broken links
- `resolve(...)` docs svelte.dev/docs/kit/$ap...
- `asset(...)` docs svelte.dev/docs/kit/$ap...
www.youtube.com/watch?v=Ekhb...
- `resolve(...)` docs svelte.dev/docs/kit/$ap...
- `asset(...)` docs svelte.dev/docs/kit/$ap...
www.youtube.com/watch?v=Ekhb...
day 10: @kenthropic.com shows us how to make our unrefined code presentable to society, with `class`
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
Advent of Svelte 2025 - Day 10: Runes in Classes #coding #sveltejs #javascript
YouTube video by Svelte Society
youtu.be
December 10, 2025 at 3:50 PM
day 10: @kenthropic.com shows us how to make our unrefined code presentable to society, with `class`
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
day 9: ben davis is so enamoured of vitest that he might actually start writing tests
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
Advent of Svelte 2025 - Day 9: Testing Classes #programming #sveltejs #javascript
YouTube video by Svelte Society
youtu.be
December 9, 2025 at 5:16 PM
day 9: ben davis is so enamoured of vitest that he might actually start writing tests
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
day 8: setting up your editor like a pro, with @fubits.dev. if you're a VS Code or VS Code-ish user you won't want to miss this one
also ft. @dominikg.dev's vite-plugin-svelte inspector (docs: github.com/sveltejs/vit...)
also ft. @dominikg.dev's vite-plugin-svelte inspector (docs: github.com/sveltejs/vit...)
Advent of Svelte 2025 - Day 8: Editor Setup
YouTube video by Svelte Society
youtu.be
December 8, 2025 at 6:03 PM
day 8: setting up your editor like a pro, with @fubits.dev. if you're a VS Code or VS Code-ish user you won't want to miss this one
also ft. @dominikg.dev's vite-plugin-svelte inspector (docs: github.com/sveltejs/vit...)
also ft. @dominikg.dev's vite-plugin-svelte inspector (docs: github.com/sveltejs/vit...)
day 7: ben davis on how to use SvelteKit's built-in OpenTelemetry support
docs: svelte.dev/docs/kit/obs...
docs: svelte.dev/docs/kit/obs...
Advent of Svelte 2025 - Day 7: Open Telemetry
YouTube video by Svelte Society
youtu.be
December 7, 2025 at 4:37 PM
day 7: ben davis on how to use SvelteKit's built-in OpenTelemetry support
docs: svelte.dev/docs/kit/obs...
docs: svelte.dev/docs/kit/obs...
Advent of Svelte 2025 - Day 6: Async
YouTube video by Svelte Society
youtu.be
December 6, 2025 at 4:15 PM
day 5: @kenthropic.com is back to teach us how to respect our components' boundaries
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
Advent of Svelte 2025 - Day 5: svelte:boundary
YouTube video by Svelte Society
youtu.be
December 5, 2025 at 3:47 PM
day 5: @kenthropic.com is back to teach us how to respect our components' boundaries
docs: svelte.dev/docs/svelte/...
docs: svelte.dev/docs/svelte/...
day 4: @kevinak.se introduces the brand-new @sveltesociety.dev website, and the (slightly less new, but still shiny) packages hub
- sveltesociety.dev
- svelte.dev/packages
- sveltesociety.dev
- svelte.dev/packages
Advent of Svelte 2025 - Day 4: Svelte Society + Packages
YouTube video by Svelte Society
www.youtube.com
December 4, 2025 at 1:26 PM
day 4: @kevinak.se introduces the brand-new @sveltesociety.dev website, and the (slightly less new, but still shiny) packages hub
- sveltesociety.dev
- svelte.dev/packages
- sveltesociety.dev
- svelte.dev/packages
day 3: @kenthropic.com teaches us all about attachments. they're like actions, but, well... better
docs: svelte.dev/docs/svelte/...
(brand new) tutorial: svelte.dev/tutorial/sve...
docs: svelte.dev/docs/svelte/...
(brand new) tutorial: svelte.dev/tutorial/sve...
Advent of Svelte 2025 - Day 3: @attach
YouTube video by Svelte Society
youtu.be
December 3, 2025 at 2:43 PM
day 3: @kenthropic.com teaches us all about attachments. they're like actions, but, well... better
docs: svelte.dev/docs/svelte/...
(brand new) tutorial: svelte.dev/tutorial/sve...
docs: svelte.dev/docs/svelte/...
(brand new) tutorial: svelte.dev/tutorial/sve...
Advent of Svelte 2025 - Day 2: sv cli
YouTube video by Svelte Society
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December 2, 2025 at 1:26 PM
🎅🎄🎁 ADVENT OF SVELTE 2025 🎅🎄🎁
24 days, 24 videos with tips, tricks and features you didn't know about
we're hitting the ground running with the lesser-known $inspect(...) and $inspect.trace(...) runes (docs: svelte.dev/docs/svelte/...)
follow along here! advent.sveltesociety.dev/2025
24 days, 24 videos with tips, tricks and features you didn't know about
we're hitting the ground running with the lesser-known $inspect(...) and $inspect.trace(...) runes (docs: svelte.dev/docs/svelte/...)
follow along here! advent.sveltesociety.dev/2025
Advent of Svelte 2025 - Day 1: $inspect.trace(...)
YouTube video by Svelte Society
www.youtube.com
December 1, 2025 at 2:19 PM
🎅🎄🎁 ADVENT OF SVELTE 2025 🎅🎄🎁
24 days, 24 videos with tips, tricks and features you didn't know about
we're hitting the ground running with the lesser-known $inspect(...) and $inspect.trace(...) runes (docs: svelte.dev/docs/svelte/...)
follow along here! advent.sveltesociety.dev/2025
24 days, 24 videos with tips, tricks and features you didn't know about
we're hitting the ground running with the lesser-known $inspect(...) and $inspect.trace(...) runes (docs: svelte.dev/docs/svelte/...)
follow along here! advent.sveltesociety.dev/2025
Reposted by Svelte
today we landed a @svelte.dev feature i'm pretty stoked about — we call it 'forking', and it lets you run state changes offscreen and later choose whether to commit them (e.g. user hovers on a link, preload data in case they click)
- docs svelte.dev/docs/svelte/...
- demo svelte.dev/playground/a...
- docs svelte.dev/docs/svelte/...
- demo svelte.dev/playground/a...
forking monkeys • Playground • Svelte
Web development for the rest of us
svelte.dev
October 25, 2025 at 7:11 PM
today we landed a @svelte.dev feature i'm pretty stoked about — we call it 'forking', and it lets you run state changes offscreen and later choose whether to commit them (e.g. user hovers on a link, preload data in case they click)
- docs svelte.dev/docs/svelte/...
- demo svelte.dev/playground/a...
- docs svelte.dev/docs/svelte/...
- demo svelte.dev/playground/a...