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@renovate renovate bot commented Jun 16, 2025

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
svelte (source) ^4.2.20 -> ^5.34.4 age adoption passing confidence

Release Notes

sveltejs/svelte (svelte)

v5.34.4

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Patch Changes
  • fix: don't set state withing with_parent in proxy (#​16176)

  • fix: use compiler-driven reactivity in legacy mode template expressions (#​16100)

v5.34.3

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Patch Changes
  • fix: don't eagerly execute deriveds on resume (#​16150)

  • fix: prevent memory leaking signals in legacy mode (#​16145)

  • fix: don't define error.message if it's not configurable (#​16149)

v5.34.2

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Patch Changes
  • fix: add missing typings for some dimension bindings (#​16142)

  • fix: prune typescript class field declarations (#​16154)

v5.34.1

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Patch Changes
  • fix: correctly tag private class state fields (#​16132)

v5.34.0

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Minor Changes
  • feat: add source name logging to $inspect.trace (#​16060)
Patch Changes
  • fix: add command and commandfor to HTMLButtonAttributes (#​16117)

  • fix: better $inspect.trace() output (#​16131)

  • fix: properly hydrate dynamic css props components and remove element removal (#​16118)

v5.33.19

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Patch Changes
  • fix: reset is_flushing if flushSync is called and there's no scheduled effect (#​16119)

v5.33.18

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Patch Changes

v5.33.17

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Patch Changes
  • chore: update acorn parser ecmaVersion to parse import attributes (#​16098)

v5.33.16

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Patch Changes
  • fix: visit expression when destructuring state declarations (#​16081)

  • fix: move xmlns attribute from SVGAttributes to to DOMAttributes (#​16080)

v5.33.15

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Patch Changes
  • fix: invoke parent boundary of deriveds that throw (#​16091)

v5.33.14

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Patch Changes
  • Revert "feat: enable TS autocomplete for Svelte HTML element definitions" (#​16063)

  • fix: destructuring snippet arguments (#​16068)

v5.33.13

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Patch Changes
  • fix: avoid recursion error in EachBlock visitor (#​16058)

v5.33.12

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Patch Changes
  • fix: correctly transform reassignments to class fields in SSR mode (#​16051)

v5.33.11

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Patch Changes
  • fix: treat transitive dependencies of each blocks as mutable in legacy mode if item is mutated (#​16038)

v5.33.10

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Patch Changes
  • fix: use fill: 'forwards' on transition animations to prevent flicker (#​16035)

v5.33.9

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Patch Changes
  • fix: put expressions in effects unless known to be static (#​15792)

v5.33.8

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Patch Changes
  • fix: only select_option if 'value' is in next (#​16032)

v5.33.7

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Patch Changes
  • fix: bind:value to select with stores (#​16028)

v5.33.6

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Patch Changes
  • fix: falsy attachments on components (#​16021)

  • fix: correctly mark elements as selected during SSR (#​16017)

v5.33.5

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Patch Changes
  • fix: handle derived destructured iterators (#​16015)

  • fix: avoid rerunning attachments when unrelated spread attributes change (#​15961)

v5.33.4

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Patch Changes
  • fix: narrow defaultChecked to boolean (#​16009)

  • fix: warn when using rest or identifier in custom elements without props option (#​16003)

v5.33.3

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Patch Changes
  • fix: allow using typescript in customElement.extend option (#​16001)

  • fix: cleanup event handlers on media elements (#​16005)

v5.33.2

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Patch Changes
  • fix: correctly parse escaped unicode characters in css selector (#​15976)

  • fix: don't mark deriveds as clean if updating during teardown (#​15997)

v5.33.1

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Patch Changes
  • fix: reset is_flushing if flushSync is called and there's no scheduled effect (#​16119)

v5.33.0

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Minor Changes
  • feat: XHTML compliance (#​15538)

  • feat: add fragments: 'html' | 'tree' option for wider CSP compliance (#​15538)

v5.32.2

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Patch Changes
  • chore: simplify <pre> cleaning (#​15980)

  • fix: attach __svelte_meta correctly to elements following a CSS wrapper (#​15982)

  • fix: import untrack directly from client in svelte/attachments (#​15974)

v5.32.1

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Patch Changes
  • Warn when an invalid <select multiple> value is given (#​14816)

v5.32.0

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Minor Changes
  • feat: warn on implicitly closed tags (#​15932)

  • feat: attachments fromAction utility (#​15933)

Patch Changes
  • fix: only re-run directly applied attachment if it changed (#​15962)

v5.31.1

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Patch Changes
  • fix: avoid auto-parenthesis for special-keywords-only MediaQuery (#​15937)

v5.31.0

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Minor Changes
  • feat: allow state fields to be declared inside class constructors (#​15820)
Patch Changes
  • fix: Add missing AttachTag in Tag union type inside the AST namespace from "svelte/compiler" (#​15946)

v5.30.2

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Patch Changes
  • fix: falsy attachments types (#​15939)

  • fix: handle more hydration mismatches (#​15851)

v5.30.1

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Patch Changes
  • fix: add typeParams to SnippetBlock for legacy parser (#​15921)

v5.30.0

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Minor Changes
  • feat: allow generics on snippets (#​15915)

v5.29.0

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Minor Changes

v5.28.7

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Patch Changes
  • fix: remove unncessary guards that require CSP privilege when removing event attributes (#​15846)

  • fix: rewrite destructuring logic to handle iterators (#​15813)

v5.28.6

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Patch Changes
  • fix: use transform.read for ownership_validator.mutation array (#​15848)

  • fix: don't redeclare $slots (#​15849)

v5.28.5

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Patch Changes
  • fix: proxify the value in assignment shorthands to the private field (#​15862)

  • fix: more frequently update bind:buffered to actual value (#​15874)

v5.28.4

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Patch Changes
  • fix: treat nullish expression as empty string (#​15901)

  • fix: prevent invalid BigInt calls from blowing up at compile time (#​15900)

  • fix: warn on bidirectional control characters (#​15893)

  • fix: emit right error for a shadowed invalid rune (#​15892)

v5.28.3

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Patch Changes
  • chore: avoid microtasks when flushing sync (#​15895)

  • fix: improve error message for migration errors when slot would be renamed (#​15841)

  • fix: allow characters in the supplementary special-purpose plane (#​15823)

v5.28.2

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Patch Changes
  • fix: don't mark selector lists inside :global with multiple items as unused (#​15817)

v5.28.1

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Patch Changes
  • fix: ensure <svelte:boundary> properly removes error content in production mode (#​15793)

  • fix: update_version after delete if source is undefined and prop in target (#​15796)

  • fix: emit error on wrong placement of the :global block selector (#​15794)

v5.28.0

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Minor Changes
  • feat: partially evaluate more expressions (#​15781)

v5.27.3

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Patch Changes
  • fix: use function declaration for snippets in server output to avoid TDZ violation (#​15789)

v5.27.2

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Patch Changes
  • chore: use pkg.imports for common modules (#​15787)

v5.27.1

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Patch Changes
  • chore: default params for html blocks (#​15778)

  • fix: correct suggested type for custom events without detail (#​15763)

  • fix: Throw on unrendered snippets in dev (#​15766)

  • fix: avoid unnecessary read version increments (#​15777)

v5.27.0

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Minor Changes
  • feat: partially evaluate certain expressions (#​15494)
Patch Changes
  • fix: relax :global selector list validation (#​15762)

v5.26.3

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Patch Changes
  • fix: correctly validate head snippets on the server (#​15755)

  • fix: ignore mutation validation for props that are not proxies in more cases (#​15759)

  • fix: allow self-closing tags within math namespace (#​15761)

v5.26.2

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Patch Changes
  • fix: correctly validate undefined snippet params with default value (#​15750)

v5.26.1

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Patch Changes
  • fix: update state_referenced_locally message (#​15733)

v5.26.0

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Minor Changes
  • feat: add css.hasGlobal to compile output (#​15450)
Patch Changes
  • fix: add snippet argument validation in dev (#​15521)

v5.25.12

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Patch Changes
  • fix: improve internal_set versioning mechanic (#​15724)

  • fix: don't transform reassigned state in labeled statement in $derived (#​15725)

v5.25.11

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Patch Changes
  • fix: handle hydration mismatches in await blocks (#​15708)

  • fix: prevent ownership warnings if the fallback of a bindable is used (#​15720)

v5.25.10

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Patch Changes
  • fix: set deriveds as CLEAN if they are assigned to (#​15592)

  • fix: better scope :global() with nesting selector & (#​15671)

v5.25.9

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Patch Changes
  • fix: allow $.state and $.derived to be treeshaken (#​15702)

  • fix: rework binding ownership validation (#​15678)

v5.25.8

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Patch Changes
  • fix: address untracked_writes memory leak (#​15694)

v5.25.7

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Patch Changes
  • fix: ensure clearing of old values happens independent of root flushes (#​15664)

v5.25.6

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Patch Changes
  • fix: ignore generic type arguments while creating AST (#​15659)

  • fix: better consider component and its snippets during css pruning (#​15630)

v5.25.5

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Patch Changes
  • fix: add setters to $derived class properties (#​15628)

  • fix: silence assignment warning on more function bindings (#​15644)

  • fix: make sure CSS is preserved during SSR with bindings (#​15645)

v5.25.4

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Patch Changes
  • fix: support TS type assertions (#​15642)

  • fix: ensure undefined class still applies scoping class, if necessary (#​15643)

v5.25.3

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Patch Changes
  • fix: prevent state runes from being called with spread (#​15585)

v5.25.2

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Patch Changes
  • feat: migrate reassigned deriveds to $derived (#​15581)

v5.25.1

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Patch Changes
  • fix: improve internal_set versioning mechanic (#​15724)

  • fix: don't transform reassigned state in labeled statement in $derived (#​15725)

v5.25.0

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Minor Changes

v5.24.1

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Patch Changes
  • fix: use get in constructor for deriveds (#​15300)

  • fix: ensure toStore root effect is connected to correct parent effect (#​15574)

v5.24.0

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Minor Changes
  • feat: allow state created in deriveds/effects to be written/read locally without self-invalidation (#​15553)
Patch Changes
  • fix: check if DOM prototypes are extensible (#​15569)

  • Keep inlined trailing JSDoc comments of properties when running svelte-migrate (#​15567)

  • fix: simplify set calls for proxyable values (#​15548)

  • fix: don't depend on deriveds created inside the current reaction (#​15564)

v5.23.2

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Patch Changes
  • fix: don't hoist listeners that access non hoistable snippets (#​15534)

v5.23.1

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Patch Changes
  • fix: invalidate parent effects when child effects update parent dependencies (#​15506)

  • fix: correctly match :has() selector during css pruning (#​15277)

  • fix: replace undefined with void 0 to avoid edge case (#​15511)

  • fix: allow global-like pseudo-selectors refinement (#​15313)

  • chore: don't distribute unused types definitions (#​15473)

  • fix: add files and group to HTMLInputAttributes in elements.d.ts (#​15492)

  • fix: throw rune_invalid_arguments_length when $state.raw() is used with more than 1 arg (#​15516)

v5.23.0

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Minor Changes
  • fix: make values consistent between effects and their cleanup functions (#​15469)

v5.22.6

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Patch Changes
  • fix: skip log_if_contains_state if only logging literals (#​15468)

  • fix: Add closedby property to HTMLDialogAttributes type (#​15458)

  • fix: null and warnings for local handlers (#​15460)

v5.22.5

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Patch Changes
  • fix: memoize clsx calls (#​15456)

  • fix: respect svelte-ignore hydration_attribute_changed on elements with spread attributes (#​15443)

  • fix: always use setAttribute when setting style (#​15323)

  • fix: make style: directive and CSS handling more robust (#​15418)

v5.22.4

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Patch Changes
  • fix: never deduplicate expressions in templates (#​15451)

v5.22.3

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Patch Changes
  • fix: run effect roots in tree order (#​15446)

v5.22.2

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Patch Changes
  • fix: correctly set is_updating before flushing root effects (#​15442)

v5.22.1

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Patch Changes
  • chore: switch acorn-typescript plugin (#​15393)

v5.22.0

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Minor Changes
  • feat: Add idPrefix option to render (#​15428)
Patch Changes
  • fix: make dialog element and role interactive (#​15429)

v5.21.0

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Minor Changes
  • chore: Reduce hydration comment for {:else if} (#​15250)
Patch Changes
  • fix: disallow bind:group to snippet parameters (#​15401)

v5.20.5

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Patch Changes
  • fix: allow double hyphen css selector names (#​15384)

  • fix: class:directive not working with $restProps #​15386 (#​15389)
    fix: spread add an useless cssHash on non-scoped element

  • fix: catch error on @​const tag in svelte:boundary in DEV mode (#​15369)

  • fix: allow for duplicate var declarations (#​15382)

  • fix : bug "$0 is not defined" on svelte:element with a function call on class (#​15396)

v5.20.4

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Patch Changes
  • fix: update types and inline docs for flushSync (#​15348)

v5.20.3

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Patch Changes
  • fix: allow @const inside #key (#​15377)

  • fix: remove unnecessary ?? '' on some expressions (#​15287)

  • fix: correctly override class attributes with class directives (#​15352)

v5.20.2

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Patch Changes
  • chore: remove unused options.uid in render (#​15302)

  • fix: do not warn for binding_property_non_reactive if binding is a store in an each (#​15318)

  • fix: prevent writable store value from becoming a proxy when reassigning using $-prefix (#​15283)

  • fix: muted reactive without bind and select/autofocus attributes working with function calls (#​15326)

  • fix: ensure input elements and elements with dir attribute are marked as non-static (#​15259)

  • fix: fire delegated events on target even it was disabled in the meantime (#​15319)

v5.20.1

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Patch Changes
  • fix: ensure AST analysis on svelte.js modules succeeds (#​15297)

  • fix: ignore typescript abstract methods (#​15267)

  • fix: correctly ssr component in svelte:head with $props.id() or css='injected' (#​15291)

v5.20.0

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Minor Changes
  • feat: SSR-safe ID generation with $props.id() (#​15185)
Patch Changes
  • fix: take private and public into account for constant_assignment of derived state (#​15276)

  • fix: value/checked not correctly set using spread (#​15239)

  • chore: tweak effect self invalidation logic, run transition dispatches without reactive context (#​15275)

  • fix: use importNode to clone templates for Firefox (#​15272)

  • fix: recurse into $derived for ownership validation (#​15166)

v5.19.10

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Patch Changes
  • fix: when re-connecting unowned deriveds, remove their unowned flag (#​15255)

  • fix: allow mutation of private derived state (#​15228)

v5.19.9

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Patch Changes
  • fix: ensure unowned derived dependencies are not duplicated when reactions are skipped (#​15232)

  • fix: hydrate href that is part of spread attributes (#​15226)

v5.19.8

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Patch Changes
  • fix: properly set value property of custom elements (#​15206)

  • fix: ensure custom element updates don't run in hydration mode (#​15217)

  • fix: ensure tracking returns true, even if in unowned (#​15214)

v5.19.7

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Patch Changes
  • chore: remove unused code from signal logic (#​15195)

  • fix: encounter svelte:element in blocks as sibling during pruning css (#​15165)

v5.19.6

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Patch Changes
  • fix: do not prune selectors like :global(.foo):has(.scoped) (#​15140)

  • fix: don't error on slot prop inside block inside other component (#​15148)

  • fix: ensure reactions are correctly attached for unowned deriveds (#​15158)

  • fix: silence a11y attribute warnings when spread attributes present (#​15150)

  • fix: prevent false-positive ownership validations due to hot reload (#​15154)

  • fix: widen ownership when calling setContext (#​15153)

v5.19.5

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Patch Changes
  • fix: improve derived connection to ownership graph (#​15137)

  • fix: correctly look for sibling elements inside blocks and components when pruning CSS (#​15106)

v5.19.4

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Patch Changes
  • fix: Add bind:focused property to HTMLAttributes type (#​15122)

  • fix: lazily connect derievds (in deriveds) to their parent (#​15129)

  • fix: disallow $state/$derived in const tags (#​15115)

v5.19.3

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Patch Changes
  • fix: don't throw for undefined non delegated event handlers (#​15087)

  • fix: consistently set value to blank string when value attribute is undefined (#​15057)

  • fix: optimise || expressions in template (#​15092)

  • fix: correctly handle novalidate attribute casing (#​15083)

  • fix: expand boolean attribute support (#​15095)

  • fix: avoid double deriveds in component props (#​15089)

  • fix: add check for is attribute to correctly detect custom elements (#​15086)

v5.19.2

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Patch Changes
  • fix: address regression with untrack (#​15079)

v5.19.1

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Patch Changes
  • fix: when re-connecting unowned deriveds, remove their unowned flag (#​15255)

  • fix: allow mutation of private derived state (#​15228)

v5.19.0

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Minor Changes
  • feat: Expose ClassValue from svelte/elements (#​15035)
Patch Changes
  • fix: create fewer deriveds for concatenated strings (#​15041)

  • fix: correctly parse leading comments in function binding (#​15020)

v5.18.0

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Minor Changes
  • feat: allow <template> elements to contain any child (#​15007)
Patch Changes
  • fix: ensure resume effects are scheduled in topological order (#​15012)

  • fix: bump esrap (#​15015)

  • fix: remove listener on bind_current_time teardown (#​15013)

v5.17.5

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Patch Changes
  • feat: allow const tag inside svelte:boundary (#​14993)

  • fix: ensure signal write invalidation within effects is consistent (#​14989)

v5.17.4

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Patch Changes
  • fix: never consider inert boundary effects (#​14999)

  • fix: store access on component destroy (#​14968)

  • fix: correctly transform pre with no content (#​14973)

  • fix: wrap each block expression in derived to encapsulate effects (#​14967)

v5.17.3

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Patch Changes
  • fix: reset dependency read versions after reaction execution (#​14964)

v5.17.2

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Patch Changes
  • fix: account for parent scale when animating elements (#​14957)

  • fix: apply overflow: hidden style when transitioning elements, where necessary (#​14930)

  • fix: properly add owners to function bindings (#​14962)

v5.17.1

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Patch Changes
  • fix: remove bindable prop validation (#​14946)

  • chore: tweak "invalid assignment" compiler error message (#​14955)

  • fix: silence false-positive stale value warning (#​14958)

v5.17.0

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Minor Changes
  • feat: allow non-numeric values to be tweened by snapping immediately to new value (#​14941)
Patch Changes
  • fix: handle default values in object destructuring within "each" blocks when using characters like "}" and "]" (#​14554)

  • fix: account for min-width/height in slide transition (#​14942)

  • fix: prevent long delays causing erratic spring behaviour (#​14940)

  • feat: warn on using slide transition with table elements (#​14936)

  • chore: improve signal performance by reducing duplicate deps (#​14945)

v5.16.6

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Patch Changes
  • fix: Make Tween duration 0 set current to target immediately (#​14937)

  • fix: guard against customElements being unavailable in browser extension contexts (#​14933)

  • fix: treat inert as a boolean attribute (#​14935)

  • fix: remove leading newline from <pre> contents (#​14922)

v5.16.5

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Patch Changes
  • fix: inherit correct namespace for <title> elements (#​14817)

  • fix: don't throw bind_invalid_export if there's also a bindable prop with the same name (#​14813)

v5.16.4

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Patch Changes
  • fix: use cached indexOf array prototype method internally (#​14912)

  • fix: make Tween work with continuous target changes (#​14895)

v5.16.3

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Patch Changes
  • fix: correctly parse each with loose parser (#​14887)

  • fix: apply clsx logic to custom element class attributes (#​14907)

v5.16.2

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Patch Changes
  • fix: ensure disconnected deriveds correctly connect again (#​14899)

  • fix: correctly highlight sources reassigned inside trace (#​14811)

v5.16.1

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Patch Changes
  • fix: ensure unowned deriveds correctly get re-linked to the graph (#​14855)

  • fix: ensure $inspect.trace works correctly with null values (#​14853)

v5.16.0

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Minor Changes
  • feat: allow class attribute to be an object or array, using clsx (#​14714)
Patch Changes
  • fix: don't include keyframes in global scope in the keyframes to rename (#​14822)

v5.15.0

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Minor Changes
  • feat: add "worker" exports condition to better support bundling for worker-based environments (#​14779)

v5.14.6

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Patch Changes

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot force-pushed the renovate/svelte-5.x branch from ee7772c to 426fc54 Compare June 16, 2025 01:27
@renovate renovate bot force-pushed the renovate/svelte-5.x branch from 426fc54 to fa512e3 Compare June 17, 2025 20:59
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