svelte
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1h ago
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svelte@5.56.4
Source
@sveltejs/svelte87.4kfix: include wrapping parentheses in {@const} declarator end position (#18436)
fix: always unset reactivity context after restoring it (#18453)
fix: don't notify searchParams subscribers when the URL changes without affecting the search string (#18425)
fix: strip ? from optional parameters in <script lang="ts"> so generated JavaScript is valid (#18448)
fix: ignore errors that occur in destroyed effects (#18384)
fix: type BigInts in $state.snapshot(...) return values (#18388)
fix: properly track effect end node for async sibling component (#18371)
fix: prevent false-positive reactivity loss warning (#18373)
chore: bump esrap dependency (#18372)
fix: ignore declaration tags for animation directive (#18366)
fix: reject pending async deriveds on discard (#18308)
fix: error at compile time on duplicate snippet/declaration tag definitions (#18351)
fix: parse declaration tag contents more robustly (#18353)
fix: correctly transform references to earlier declarators in a declaration tag (e.g. {let a = $state(0), b = $derived(a * 2)}) (#18348)
fix: avoid spurious state_referenced_locally warnings for $derived declarations in declaration tags (#18348)
fix: tolerate whitespace before let/const in declaration tags (#18348)
fix: prevent infinite loop when a tag's expression ends with a trailing / at the end of the input (#18350)
fix: more robust parsing of declaration tags with regards to type (#18330)
fix: preserve newlines in spread input values when the type attribute is applied after value (#18345)
fix: update SvelteURLSearchParams when setting duplicate keys to the same joined value (#18336)
fix: check references for blockers on server, too (#18352)
perf: use createElement instead of createElementNS for HTML elements (#18262)
perf: store current_sources as a Set for O(1) membership checks (#18278)
perf: deduplicate identical hoisted templates within a component (#18320)
perf: hoist rest_props exclude list as a module-scope Set (#18252)
fix: unlink errored and otherwise finished batch (#18264)
perf: walk composedPath() directly in delegated event propagation (#18268)
fix: transfer effects when merging batches (#18254)
fix: allow $derived(await ...) in disconnected effect roots (#18273)
fix: remove temporary raw-text hydration markers (#18269)
fix: propagate async @const blockers through closure references so template expressions like {(() => host)()} correctly wait for the awaited value (#18309)
fix: properly unlink batches (#18298)
fix: settle discarded batch (#18290)
fix: declare let: directives before {@const} declarations on slotted elements (#18271)
fix: resume outro-ed branches if they were kept around (#18291)
fix: avoid waterfall-warning when async resolves to same value (#18297)
fix: correctly coordinate component-level effects inside async blocks (#18260)
fix: make unnecessary commit work less likely (#18263)
chore: add tag name to a11y_click_events_have_key_events warning (#18272)
fix: catch rejected promises while merging/committing (#18266)
fix: don't unset batch when calling {#await ...} promise (#18243)
fix: promise-ify {#await await ...} expressions on the server and correctly hydrate them on the client (#18243)
fix: deduplicate dependencies that are added outside the init/update cycle (#18243)
fix: avoid false-positive batch invariant error (#18246)
fix: inline primitive constants in attribute values during SSR (#18232)
fix(print): handle svelte:body and fix keyframe percentage double-printing (#18234)
fix: execute uninitialized derived even if it's destroyed (#18228)
fix: use named symbols everywhere (#18238)
fix: don't run teardown effects when deriveds are unfreezed (#18227)
fix: unset context synchronously in run (#18236)
fix: prevent XSS on hydratable from user contents (a16ebc67bbcf8f708360195687e1b2719463e1a4)
chore: bump devalue (#18219)
fix: disallow empty attribute names during SSR (547853e2406a2147ad7fb5ffeba95b01bd9642da)
fix: harden regex (d2375e2ebcab5c88feb5652f1a9d621b8f06b259)
fix: move Svelte runtime properties to symbols (e1cbbd96441e82c9eb8a23a2903c0d06d3cda991)
fix: leave stale promises to wait for a later resolution, instead of rejecting (#18180)
fix: keep dependencies of $state.eager/pending (#18218)
fix: reapply context after transforming error during SSR (#18099)
fix: don't rebase just-created batches (#18117)
chore: allow null for pending in typings (#18201)
fix: flush eager effects in production (#18107)
fix: rethrow error of failed iterable after calling return() (#18169)
fix: account for proxified instance when updating bind:this (#18147)
fix: ensure scheduled batch is flushed if not obsolete (#18131)
fix: resolve stale deriveds with latest value (#18167)
chore: remove unnecessary increment_pending calls (#18183)
fix: correctly compile component member expressions for SSR (#18192)
fix: reset source.updated stack traces after flush (#18196)
fix: replacing async 'blocking' strategy with 'merging' (#18205)
fix: allow @debug tags to reference awaited variables (#18138)
fix: re-run fallback props if dependencies update (#18146)
fix: abort running obsolete async branches (#18118)
fix: ignore comments when reading CSS values (#18153)
fix: wrap Promise.all in save during SSR (#18178)
fix: ignore false-positive errors of $inspect dependencies (#18106)
fix: don't mark deriveds while an effect is updating (#18124)
fix: do not dispatch introstart event with animation of animate directive (#18122)
fix: never mark a child effect root as inert (#18111)
fix: reset context after waiting on blockers of @const expressions (#18100)
fix: keep flushing new eager effects (#18102)
fix: ensure proper HMR updates for dynamic components (#18079)
fix: correctly calculate @const blockers (#18039)
fix: freeze deriveds once their containing effects are destroyed (#17921)
fix: defer error boundary rendering in forks (#18076)
fix: avoid false positives for reactivity loss warning (#18088)
fix: invalidate @const tags based on visible references in legacy mode (#18041)
fix: handle parens in template expressions more robustly (#18075)
fix: disallow -- in idPrefix (#18038)
fix: correct types for ontoggle on <details> elements (#18063)
fix: don't override $destroy/set/on instance methods in dev mode (#18034)
fix: unskip branches of earlier batches after commit (#18048)
fix: never set derived.v inside fork (#18037)
fix: skip rebase logic in non-async mode (#18040)
fix: don't reset status of uninitialized deriveds (#18054)
fix: correctly handle bindings on the server (#18009)
fix: prevent hydration error on async {@html ...} (#17999)
fix: cleanup superTypeParameters in ClassDeclarations/ClassExpression (#18015)
fix: improve duplicate module import error message (#18016)
fix: reschedule new effects in prior batches (#18021)
fix: hydration comments during hmr (#17975)
fix: null out effect.b in destroy_effect (#17980)
fix: group sync statements (#17977)
fix: defer batch resolution until earlier intersecting batches have committed (#17162)
fix: properly invoke iterator.return() during reactivity loss check (#17966)
fix: remove trailing semicolon from {@const} tag printer (#17962)
css, runes, customElement compiler options to be functions (#17951)fix: ensure $inspect after top level await doesn't break builds (#17943)
fix: resume inert effects when they come from offscreen (#17942)
fix: don't eagerly access not-yet-initialized functions in template (#17938)
fix: discard batches made obsolete by commit (#17934)
fix: ensure "is standalone child" is correctly reset (#17944)
fix: remove nodes in boundary when work is pending and HMR is active (#17932)
fix: update select.__value on change (#17745)
chore: add invariant helper for debugging (#17929)
fix: ensure deriveds values are correct across batches (#17917)
fix: handle async RHS in assignment_value_stale (#17925)
fix: avoid traversing clean roots (#17928)
fix: remove untrack circular dependency (#17910)
fix: recover from errors that leave a corrupted effect tree (#17888)
fix: properly lazily evaluate RHS when checking for assignment_value_stale (#17906)
fix: resolve boundary in correct batch when hydrating (#17914)
chore: rebase batches after process, not during (#17900)
bind:this cleanup timing (#17885)fix: {@html} no longer duplicates content inside contenteditable elements (#17853)
fix: don't access inert block effects (#17882)
fix: handle asnyc updates within pending boundary (#17873)
perf: avoid re-traversing the effect tree after $: assignments (#17848)
chore: simplify scheduling logic (#17805)
fix: correctly add __svelte_meta after else-if chains (#17830)
perf: cache element interactivity and source line splitting in compiler (#17839)
chore: avoid rescheduling effects during branch commit (#17837)
perf: optimize CSS selector pruning (#17846)
fix: preserve original boundary errors when keyed each rows are removed during async updates (#17843)
perf: avoid O(n²) name scanning in scope generate and unique (#17844)
fix: preserve each items that are needed by pending batches (#17819)
perf: optimize parser hot paths for faster compilation (#17811)
fix: SvelteMap incorrectly handles keys with undefined values (#17826)
fix: SvelteURL search setter now returns the normalized value, matching native URL behavior (#17828)
fix: visit synthetic value node during ssr (#17824)
fix: always case insensitive event handlers during ssr (#17822)
chore: more efficient effect scheduling (#17808)
perf: optimize compiler analysis phase (#17823)
fix: skip redundant batch.apply (#17816)
chore: null out current_batch before committing branches (#17809)
fix: escape innerText and textContent bindings of contenteditable (0df5abcae223058ceb95491470372065fb87951d)
fix: sanitize transformError values prior to embedding in HTML comments (0298e979371bb583855c9810db79a70a551d22b9)
fix: set server context after async transformError (#17799)
fix: hydrate if blocks correctly (#17784)
fix: handle default parameters scope leaks (#17788)
fix: prevent flushed effects from running again (#17787)
fix: render :catch of #await block with correct key (#17769)
chore: pin aria-query@5.3.1 (#17772)
fix: make string coercion consistent to toString (#17774)
fix: update expressions on server deriveds (#17767)
fix: further obfuscate node:crypto import from overzealous static analysis (#17763)
fix: use TrustedHTML to test for customizable <select> support, where necessary (#17743)
fix: ensure head effects are kept in the effect tree (#17746)
chore: deactivate current_batch by default in unset_context (#17738)
{@html} expressions (#17701)fix: repair dynamic component truthy/falsy hydration mismatches (#17737)
fix: re-run non-render-bound deriveds on the server (#17674)
fix: check to make sure svelte:element tags are valid during SSR (73098bb26c6f06e7fd1b0746d817d2c5ee90755f)
fix: misc option escaping and backwards compatibility (#17741)
fix: strip event handlers during SSR (a0c7f289156e9fafaeaf5ca14af6c06fe9b9eae5)
fix: replace usage of for in with for of Object.keys (f89c7ddd7eebaa1ef3cc540400bec2c9140b330c)
fix: always escape option body in SSR (f7c80da18c215e3727c2a611b0b8744cc6e504c5)
chore: upgrade devalue (#17739)
chore: proactively defer effects in pending boundary (#17734)
fix: detect and error on non-idempotent each block keys in dev mode (#17732)
fix: prevent event delegation logic conflicting between svelte instances (#17728)
fix: treat CSS attribute selectors as case-insensitive for HTML enumerated attributes (#17712)
fix: locate Rollup annontaion friendly to JS downgraders (#17724)
fix: run effects in pending snippets (#17719)
fix: take async into consideration for dev delegated handlers (#17710)
fix: emit state_referenced_locally warning for non-destructured props (#17708)
fix: don't crash on undefined document.contentType (#17707)
fix: use symbols for encapsulated event delegation (#17703)
TrustedTypes for HTML handling where supported (#16271)fix: sanitize template-literal-special-characters in SSR attribute values (#17692)
fix: follow-up formatting in print() — flush block-level elements into separate sequences (#17699)
fix: preserve delegated event handlers as long as one or more root components are using them (#17695)
fix: take into account nodeName case sensitivity on XHTML pages (#17689)
fix: render multiple and selected attributes as empty strings for XHTML compliance (#17689)
fix: always lowercase HTML elements, for XHTML compliance (#17664)
fix: freeze effects-inside-deriveds when disconnecting, unfreeze on reconnect (#17682)
fix: propagate $effect errors to <svelte:boundary> (#17684)
fix: resolve effect_update_depth_exceeded when using bind:value on <select> with derived state in legacy mode (#17645)
fix: don't swallow DOMException when media.play() fails in bind:paused (#17656)
chore: provide proper public type for parseCss result (#17654)
fix: robustify blocker calculation (#17676)
fix: reduce if block nesting (#17662)
fix: render boolean attribute values as empty strings for XHTML compliance (#17648)
fix: prevent async render tag hydration mismatches (#17652)
fix: ensure infinite effect loops are cleared after flushing (#17601)
fix: allow {#key NaN} (#17642)
fix: detect store in each block expression regardless of AST shape (#17636)
fix: treat <menu> like <ul>/<ol> for a11y role checks (#17638)
fix: add vite-ignore comment inside dynamic crypto import (#17623)
chore: wrap JSDoc URLs in @see and @link tags (#17617)
fix: properly hydrate already-resolved async blocks (#17641)
fix: emit each_key_duplicate error in production (#16724)
fix: exit resolved async blocks on correct node when hydrating (#17640)
chore: remove SvelteKit data attributes from elements.d.ts (#17613)
fix: avoid erroneous async derived expressions for blocks (#17604)
fix: avoid Cloudflare warnings about not having the "node:crypto" module (#17612)
fix: reschedule effects inside unskipped branches (#17604)
fix: merge consecutive large text nodes (#17587)
fix: only create async functions in SSR output when necessary (#17593)
fix: properly separate multiline html blocks from each other in print() (#17319)
fix: prevent unhandled exceptions arising from dangling promises in <script> (#17591)
ShadowRootInit object to custom element shadow option (#17088)fix: throw for unset createContext get on the server (#17580)
fix: reset effects inside skipped branches (#17581)
fix: preserve old dependencies when updating reaction inside fork (#17579)
fix: more conservative assignment_value_stale warnings (#17574)
fix: disregard popover elements when determining whether an element has content (#17367)
fix: fire introstart/outrostart events after delay, if specified (#17567)
fix: increment signal versions when discarding forks (#17577)
fix: run boundary onerror callbacks in a microtask, in case they result in the boundary's destruction (#17561)
fix: prevent unintended exports from namespaces (#17562)
fix: each block breaking with effects interspersed among items (#17550)
fix: hydration failing with settled async blocks (#17539)
fix: add pointer and touch events to a11y_no_static_element_interactions warning (#17551)
fix: handle false dynamic components in SSR (#17542)
fix: avoid unnecessary block effect re-runs after async work completes (#17535)
fix: avoid using dev-mode array.includes wrapper on internal array checks (#17536)
wait function from internal client index (#17530)fix: hoist snippets above const in same block (#17516)
fix: properly hydrate await in {@html} (#17528)
fix: batch resolution of async work (#17511)
fix: account for empty statements when visiting in transform async (#17524)
fix: avoid async overhead for already settled promises (#17461)
fix: better code generation for const tags with async dependencies (#17518)
parseCss from svelte/compiler (#17496)fix: handle non-string values in svelte:element this attribute (#17499)
fix: faster deduplication of dependencies (#17503)
selectedcontent reactivity (#17486)<select> elements (#17429)fix: mark subtree of svelte boundary as dynamic (#17468)
fix: don't reset static elements with debug/snippets (#17477)
devalue.uneval to serialize hydratable keys (ef81048e238844b729942441541d6dcfe6c8ccca)fix: reconnect clean deriveds when they are read in a reactive context (#17362)
fix: don't transform references of function declarations in legacy mode (#17431)
fix: notify deriveds of changes to sources inside forks (#17437)
fix: always reconnect deriveds in get, when appropriate (#17451)
fix: prevent derives without dependencies from ever re-running (286b40c4526ce9970cb81ddd5e65b93b722fe468)
fix: correctly update writable deriveds inside forks (#17437)
fix: remove $inspect calls after await expressions when compiling for production server code (#17407)
fix: clear batch between runs (#17424)
fix: adjust loc property of Program nodes created from <script> elements (#17428)
fix: don't revert source to UNINITIALIZED state when time travelling (#17409)
Not published due to CI issue
fix: type currentTarget in on function (#17370)
fix: skip static optimisation for stateless deriveds after await (#17389)
fix: prevent infinite loop when HMRing a component with an await (#17380)
csp option to render(...), and emit hashes when using hydratable (#17338)AsyncLocalStorage (#17350)fix: correctly reschedule deferred effects when reviving a batch after async work (#17332)
fix: correctly print !doctype during print (#17341)
fix: set AST root.start to 0 and root.end to template.length (#17125)
fix: prevent erroneous state_referenced_locally warnings on prop fallbacks (#17329)
fix: Add <textarea wrap="off"> as a valid attribute value (#17326)
fix: add more css selectors to print() (#17330)
fix: don't crash on hydratable serialization failure (#17315)
fix: don't issue a11y warning for <video> without captions if it has no src (#17311)
fix: add srcObject to permitted <audio>/<video> attributes (#17310)
fix: correctly reconcile each blocks after outroing branches are resumed (#17258)
fix: destroy each items after siblings are resumed (#17258)
chore: move DOM-related effect properties to effect.nodes (#17293)
fix: allow $props.id() to occur after an await (#17285)
fix: keep reactions up to date even when read outside of effect (#17295)
add props to state_referenced_locally (#17266)
fix: preserve node locations for better sourcemaps (#17269)
fix: handle cross-realm Promises in hydratable (#17284)
print(...) function (#16188)fix: await blockers before initialising const (#17226)
fix: link offscreen items and last effect in each block correctly (#17244)
fix: generate correct code for simple destructurings (#17237)
fix: ensure each block animations don't mess with transitions (#17238)
hydratable API (#17154)fix: don't execute attachments and attribute effects eagerly (#17208)
chore: lift "flushSync cannot be called in effects" restriction (#17139)
fix: store forked derived values (#17212)
fix: correctly migrate named self closing slots (#17199)
fix: error at compile time instead of at runtime on await expressions inside bindings/transitions/animations/attachments (#17198)
fix: take async blockers into account for bindings/transitions/animations/attachments (#17198)
perf: don't use tracing overeager during dev (#17183)
fix: don't cancel transition of already outroing elements (#17186)