Version Packages

[github-actions]

This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

Releases

svelte@5.57.0

Minor Changes

• feat: export RenderOutput, SyncRenderOutput, Csp and Sha256Source from svelte/server (#18648)

• feat: add has function to createContext (#18472)

• feat: support defaultValue on <select> (#18591)

• feat: add getOrInsert/getOrInsertComputed to SvelteMap (#18728)

Patch Changes

• fix: block template store subscriptions on the promise that assigns the store (#18582)

• fix: route $derived teardown errors through invoke_error_boundary (#18486)

• fix: track SvelteDate snapshots in reactions (#18700)

• fix: remove <svelte:head> anchors on unmount (#18697)

• fix: warn on undeclared shorthand event handlers on <svelte:window>, <svelte:document> and <svelte:body> (#18480)

• perf: reuse the cached value in the <option>/<select> value guard (#18713)

• fix: prevent malformed AST output for <select> with static value attribute (#18449)

• fix: apply ownership mutation ignores to binding assignments (#18718)

• fix: prevent onoutroend from firing twice when compilerOptions.hmr is true (#18655)

• fix: preserve whitespace after inline elements when printing (#18685)

• perf: fold SSR block-open markers into the branch's first push (#18712)

• fix: run onDestroy callbacks when a server render throws (#18585)

• fix: report derived_invalid_export for export let x = $derived(...) in runes mode (#18692)

• fix: never apply class hash to elements inside <svelte:head> (#18160)

• fix: keep defaultChecked on hydrated radio inputs with spread attributes (#18701)

• fix: accept onfocusin/onfocusout in a11y_mouse_events_have_key_events (#18689)

• perf: O(n²)→O(n) Map lookups for legacy $: reactive statement ordering (#18602)

• fix: distinct memoizer on style/class directives (#18466)

• fix: measure nested transitions before applying their starting styles (#18647)

• fix: don't turn component instances stored in $state into state proxies (#18646)

• perf: emit $.only_child for elements with a single child (#18717)

• fix: omit bind:focused from SSR output (it has no HTML attribute) (#18724)

• fix: more robust rendering of Svelte custom element slots (#18710)

• perf: optimize simple object destructuring in @const tags (#18390)

• fix: properly apply static textarea value attribute during CSR (#18727)

• fix: end a restored reaction context at the end of its synchronous segment (#18694)

• fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error (#18703)

• fix: don't resurrect outroing elements when an ancestor block is paused and resumed (#18431)

• perf: use $.comment() for single-comment templates (#18714)

• chore: move @types/trusted-types to devDependencies (#18730)

• perf: store setters cache as Set instead of Array (#18251)

• fix: transform derived assignments and select function bindings correctly during server-side rendering (#18669)

• fix: keep boolean attributes with an empty string value when rendering attribute objects on the server (#18721)

• fix: sync SvelteURL port signal when the protocol setter clears the port (#18705)

• fix: block declaration tags and {@const} on async values read inside closures (#18533)

• fix: avoid css tree-shaking for exported Snippet (#18540)

• perf: treat <img loading> as a static element again (#18711)

• fix: prevent selectedcontent mutation from changing the selected option (#18495)

• fix: avoid NaN keyframe values in slide transition for elements without a layout box (#18430)

• fix: preserve line feed character references in attribute values (#18691)

• fix: decode uppercase-X hex numeric character references (&#X...;) (#18708)

• chore: clarify when $effect.pre runs relative to DOM updates (#18534)

• fix: scope SSR boundary failed snippets to their boundary (#18593)

[pkg-svelte-dev]

Install the latest version of svelte from e31d76d:

pnpm add https://pkg.svelte.dev/svelte/c/e31d76d25bbd5176ff51bc2ce96d7e95915dc28f

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/svelte/pr/18682

[svelte-docs-bot]

Preview: https://svelte-dev-git-preview-svelte-18682-svelte.vercel.app/

[dummdidumm]

/ecosystem-ci run

[svelte-ecoystem-ci]

📝 Ran ecosystem CI on 5a0b3a3: Open

suite	result	latest scheduled
melt-ui	❌ failure	❌ failure
sveltekit	❌ failure	⏹️ cancelled

✅ bits-ui, sv, rollup-plugin-svelte, eslint-plugin-svelte, prettier-plugin-svelte, shadcn-svelte, mdsvex, layerchart, skeleton, storybook, svelte-eslint-parser, svelte-preprocess, language-tools, svelte-loader, vite-plugin-svelte