added june change history

site/content/blog/2021-06-01-whats-new-in-svelte-june-2021.md

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+---
+title: What's new in Svelte: June 2021
+description: TBD
+author: Daniel Sandoval
+authorURL: https://desandoval.net
+---
+
+Intro
+
+## New in SvelteKit
+- `svelte.config.js` config files can now be loaded in ESM format (`.js` instead of `.cjs` - either can be used). It is recommended to use the `.js` format going forward.
+- AMP pages will now use the rendered CSS, rather than emitted CSS
+- `trailingSlash: 'never' | 'always' | 'ignore'` is now available in the config. This should make it easier to build sites that work with static hosting providers that expect a trailing slash for `index.html` pages, and provides an escape hatch for anyone that needs more complex behaviour.
+- The router will no longer intercept navigation for URLs that the app does not own. This fixes a crash for apps that have `<a>` elements on the page with the same origin but don't share a base path with the app.
+- Hash only changes are now handled by the router - fixing the browser's "back" navigation between hash changes.
+- Svelte Kit builds and dev versions should now work on Windows (`pnpm build` and `dev` commands were failing due to lack of an `rm` command)
+
+
+
+## New in Svelte & Language Tools
+- Svelte 3.38.1 and 3.38.2 fixed an issue with hydration that was causing duplicate elements. If you're seeing this in your project, be sure to update the latest version!
+- You can now toggle the TypeScript plugin on and off in the Svelte extension (Extension version [**104.11.0**](https://github.com/sveltejs/language-tools/releases/tag/extensions-104.11.0))
+- Language server users on newer versions of Svelte will now have their sourcemaps preprocessed by Svelte instead of the (now deprecated) logic in language tools. (Extension version [**104.12.2**](https://github.com/sveltejs/language-tools/releases/tag/extensions-104.12.2))
+
+---
+
+## Community Showcase
+
+**Apps & Sites**
+
+- 
+
+
+**Demos, Libraries, Tools & Components**
+
+- 
+
+**Want to contribute your own component?** Submit a [Component](https://sveltesociety.dev/components) to the Svelte Society site by making [a PR to this file](https://github.com/svelte-society/sveltesociety.dev/blob/master/src/pages/components/components.json).
+
+
+**Starters**
+- 
+
+**Looking for a starter or integration?** Check out [svelte-adders](https://github.com/svelte-add/svelte-adders) and a number of other integration examples at [sveltejs/integrations](https://github.com/sveltejs/integrations)
+
+
+**Learning Resources**
+- 
+
+
+
+## See you next month!
+
+Got something to add? Join us on [Svelte Society](https://sveltesociety.dev/), [Reddit](https://www.reddit.com/r/sveltejs/) and [Discord](https://discord.com/invite/yy75DKs)!