docs: "What's new in Svelte" May newsletter (#11366)

documentation/blog/2024-05-01-whats-new-in-svelte-may-2024.md

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+---
+title: "What's new in Svelte: May 2024"
+description: 'Svelte 5 Release Candidate and all the other highlights from Svelte Summit Spring'
+author: Dani Sandoval
+authorURL: https://dreamindani.com
+---
+
+Svelte Summit was last week - featuring a number of fantastic talks from across the community. In the final talk, What You Can Do For Your Framework, Rich Harris (with a little help from PuruVJ's neoconfetti library) [announced that Svelte 5 is now in the "Release Candidate"](https://www.youtube.com/live/gkJ09joGBZ4?si=O5HR0PF-TDvNdVNf&t=8898).
+
+Lots of pre-release changes to cover in this post and a host of community showcase items... so let's dive in!
+
+## Highlights from Svelte Summit Spring 2024
+
+Below, you'll find links to all the talks in the livestream version of Svelte Summit.
+
+- [Simple and Sustainable web development in academic libraries with Svelte](https://www.youtube.com/live/gkJ09joGBZ4?si=ha0iruRIXv2Mql1w&t=894)
+- [Building a SaaS module for SvelteKit](https://www.youtube.com/live/gkJ09joGBZ4?si=bqRe0Fbykm9sUqZS&t=1517)
+- [Intro To LayerChart](https://www.youtube.com/live/gkJ09joGBZ4?si=o3rn0WqGBBQckF_2&t=2680)
+- [Spatial Programming with Threlte Studio](https://www.youtube.com/live/gkJ09joGBZ4?si=dBL-EfWTLtu4fYSt&t=4026)
+- [Convex (Sponsored talk)](https://www.youtube.com/live/gkJ09joGBZ4?si=5KKpLYXi0fLQqwZZ&t=4891)
+- [Kitbook: Easily Build, Document, Inspect & Test Svelte Components](https://www.youtube.com/live/gkJ09joGBZ4?si=NMhjp5rBWgf3lV76&t=5903)
+- [Fullstack Testing](https://www.youtube.com/live/gkJ09joGBZ4?si=8p5CRD9z-LADsMtO&t=6749)
+- [What You Can Do For Your Framework](https://www.youtube.com/live/gkJ09joGBZ4?si=h4LKM12I_vJBBLZ-&t=8515) - also covers a ton of the new features listed below
+
+These will all get broken up into more sharable (and rewatchable) videos over time, so make sure you subscribe to the [Svelte Society YouTube channel](https://www.youtube.com/@SvelteSociety/featured) to keep up to date.
+
+## What's new in Svelte
+
+[Svelte 5 is officially in the Release Candidate stage](https://svelte-5-preview.vercel.app/docs/introduction) and gets closer to release every day. Below, you'll find some highlights from its pre-release [changelog](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md):
+
+- Hot module reloading is now supported in Svelte 5 (**5.0.0-next.97 and 101**, [#11106](https://github.com/sveltejs/svelte/pull/11106), [#11132](https://github.com/sveltejs/svelte/pull/11132))
+- It is now possible to define global (or child global) styles in a block (**5.0.0-next.111**, [#11276](https://github.com/sveltejs/svelte/pull/11276))
+- Compiled code is even more efficient for `if` blocks, `each` blocks and attribute updates (**5.0.0-next.83-85**, [#10906](https://github.com/sveltejs/svelte/pull/10906), [#10937](https://github.com/sveltejs/svelte/pull/10937) and [#10917](https://github.com/sveltejs/svelte/pull/10917))
+- The built-ins from `svelte/reactivity` are now re-exported to be available on the server (**5.0.0-next.88**, [Docs](https://svelte-5-preview.vercel.app/docs/imports#svelte-reactivity), [#10973](https://github.com/sveltejs/svelte/pull/10973))
+- A new reactive URL object is now available in `svelte/reactivity` (**5.0.0-next.103**, [Docs](https://svelte-5-preview.vercel.app/docs/imports#svelte-reactivity), [#11157](https://github.com/sveltejs/svelte/pull/11157))
+- HTML tags are now faster with more efficient hydration markers (**5.0.0-next.90-91**, [#10986](https://github.com/sveltejs/svelte/pull/10986) and [#11019](https://github.com/sveltejs/svelte/pull/11019))
+- The new `$host` rune retrieves the `this` reference of the custom element that contains a component - removing the need for `createEventDispatcher` (**5.0.0-next.96**, [Docs](https://svelte-5-preview.vercel.app/docs/runes#host), [#11059](https://github.com/sveltejs/svelte/pull/11059))
+
+
+---
+
+## Community Showcase
+
+**Apps & Sites built with Svelte**
+
+- [Collabwriting](https://www.reddit.com/r/sveltejs/comments/1c6zylc/weve_just_raised_12m_launched_new_product_2year/) just raised $1.2M and launched a new product - [Collabwriting for Teams](https://www.producthunt.com/posts/collabwriting-for-teams). Congrats!
+- [Skypix](https://github.com/GhostWalker562/css475-music-library) is a music library that allows users to create playlists, add songs to their library, and share their music with friends
+- [Jonze](https://github.com/Pelps12/jonze) is an open-source but managed tool for managing member information. It features attendance tracking and membership plans
+- [midi-note-trainer](https://github.com/TeemuKoivisto/midi-note-trainer) is a music notation trainer app built with Web MIDI
+- [Easy-Rd](https://easyrd.dev/) is a free tool for coding-based ER diagram creation
+- [Gamera](https://gamera.app/) is a simple site analytics tool for a privacy-first world
+- [Collecta](https://collecta.space/) lets you collect your internet in a single space - organize images, bookmarks, inspiration, and share your vibe with friends
+- [ColdCraft](https://coldcraft.ai/) writes for you by turning bullet points and LinkedIn profiles into effective cold emails
+- [Fourplay](https://github.com/kilroyjones/fourplay) is a multiplayer word game written with Rust and Svelte 
+- [how-long-is-a-click](https://www.how-long-is-a-click.com/) is a site that measures how long *exactly* a click is on the web
+
+
+**Learning Resources**
+
+_Featuring Svelte Contributors and Ambassadors_
+- [Preprocessors Are The Most Powerful Svelte Feature No One Talks About](https://www.youtube.com/watch?v=FNIwqQx7mOo), [How To Make A Custom Markdoc Renderer](https://www.youtube.com/watch?v=mWt7jsgZIWw) and [Responsive CSS Grid Layout In One Line Of Code](https://www.youtube.com/watch?v=b9N1qLTVhvs) by JoyOfCode
+- [Phoenix LiveView and Svelte with Wout De Puysseleir](https://www.svelteradio.com/episodes/phoenix-liveview-and-svelte-with-wout-de-puysseleir) by Svelte Radio
+- Svelte London - April 2024:
+  - [Auth in SvelteKit, the hard & easy ways](https://www.youtube.com/live/IJh7w6DtOIs?si=Y7f0U3y8FUGtdU_X&t=191) by Ajit Krishna
+  - [3 stories of walking in the fire with my SvelteKit project](https://www.youtube.com/live/IJh7w6DtOIs?si=uOoqnEa1MWUZsHJp&t=1993) by Rowan Aldean
+- This Week in Svelte:
+  - [29 Mar](https://www.youtube.com/watch?v=OqwVuE2I5lM) - Superforms
+  - [5 Apr](https://www.youtube.com/watch?v=MmiBRw8aoXI) - When to go serverless?
+  - [12 Apr](https://www.youtube.com/watch?v=WQFjaM1-Hm0) - svelte-api-keys with Captain Codeman
+  - [19 Apr](https://www.youtube.com/watch?v=r_snb9XDX6Q) - Multiple Action Forms
+  - [26 Apr](https://www.youtube.com/watch?v=TbZpK-LtCME) - Service Workers
+
+
+_To Read_
+
+- [LiveView is best with Svelte](https://blog.sequin.io/liveview-is-best-with-svelte/) by Anthony Accomazzo
+- [Optimizing My SvelteKit Blog](https://www.refact0r.dev/blog/optimizing-sveltekit) by refac0r
+- [Why Lucia might be the best authentication library for SvelteKit](https://omrecipes.dev/blog/lucia-best-auth-library-sveltekit) by Justin Ahinon
+- [Deploying a Svelte App with Docker and Node.js: A Developer's Guide](https://www.klevertopee.com/post?id=d85fccb0-ed24-4175-8165-b601e661a37d) by Klevert Opee
+- [SvelteKit Todo App with Firebase Admin](https://code.build/p/sveltekit-todo-app-with-firebase-admin-tqdc5j) by Jonathan Gamble
+- [Dependency injection in Svelte for fun and profit](https://kylenazario.com/blog/dependency-injection-in-svelte) by Kyle Nazario
+- [Don't Lazy-Load Translations](https://inlang.com/g/mqlyfa7l/guide-lorissigrist-dontlazyload) by Loris Sigrist
+- [View Transitions in SvelteKit](https://thnee.se/sveltekit-view-transitions) by Mattias Tomas Bobo Lindvall
+- [Why is Svelte better?](https://www.zackwebster.com/blogs/why-is-svelte-better) by Zack Webster
+- [Mocking SvelteKit Stores in Storybook](https://tylergaw.com/blog/mocking-sveltekit-stores-in-storybook/) by Tyler Gaw
+- [Deploy SvelteKit to AWS Amplify: A Step-by-Step Guide](https://www.launchfa.st/blog/deploy-sveltekit-aws-amplify) by Rishi Raj Jain
+- [SvelteKit and Stripe demo](https://www.thespatula.io/projects/sveltekit-stripe-demo/demo/) by the spatula
+- [SvelteKit Turso Fly.io App Guide](https://scottspence.com/posts/sveltekit-turso-flyio-app-guide) by Scott Spence
+
+
+_To Watch_
+
+- [Build a Animated Website with SvelteKit, GSAP & Prismic](https://www.youtube.com/watch?v=v5Ncz5AcXjI) by Prismic
+- [Svelte 5: What's New](https://www.youtube.com/watch?v=kvFqpaTP0a0) by Simon Holthausen
+- [Build the Ultimate Learning Platform with SvelteKit, PocketBase & TailwindCSS!](https://www.youtube.com/watch?v=b2ftRSX1iZ0&t=47s) and [Lets Build A Filtering System with Svelte 5 , Sveltekit 2, Tailwind, Upstash](https://www.youtube.com/watch?v=5urk4ui_l5o) by Lawal Adebola
+- [Porting a vanilla JavaScript library to Svelte 5](https://www.youtube.com/watch?v=apIJlWJ3HgQ) by Stanislav Khromov
+
+
+**Libraries, Tools & Components**
+
+- [sk-seo](https://github.com/TheDahoom/Sveltekit-seo/) is a dead simple, no dependencies, svelte component that automates a lot of the annoying SEO parts for you
+- [Svelte Lib Helpers](https://github.com/shinokada/svelte-lib-helpers) is a utility package designed to streamline various tasks when developing Svelte libraries
+- [skitsa](https://github.com/michaelcuneo/sveltekit-sst-auth) is a simple yet fully fledged operational demonstration of SvelteKit Magic Links using SST, hosted on AWS, as a Lambda application
+- [svelte-zoomable-circles](https://www.npmjs.com/package/svelte-zoomable-circles) is a Svelte component for displaying and browsing hierarchical data using zoomable circles
+
+
+That's it for this month! Feel free to let us know if we missed anything on [Reddit](https://www.reddit.com/r/sveltejs/) or [Discord](https://discord.gg/svelte).
+
+Until next month 👋