5.57.2

Patch Changes

• fix: don't create async deriveds for a component destroyed while waiting for its top-level await (#18931)

• fix: prevent untracked derived reads from retaining disconnected dependencies (#18829)

• fix: error if {:else} is followed by another {:else} or {:else if ...} (#18900)

• fix: avoid tracking SvelteURLSearchParams during URL updates (#18791)

• fix: restore hydration state when custom element attribute updates throw (#18467)

• fix: attach event handlers that are assigned after a top-level await in production (#18933)

• fix: flush anything pending before invoking flushSync callback function (#18878)

• fix: preserve location information for await wrappers (#18859)

• fix: keep a reactive assignment with no dependencies when migrate cannot turn it into a declaration (#18817)

• fix: don't hang migrate on a declaration that shares a line with its script tag (#18816)

• fix: prevent duplicate subscriptions when reconnecting deriveds (#18899)

• fix: recover when an unexpected node replaces a nested boundary comment during hydration (#18925)

• fix: print {#await} blocks that only have a pending branch (#18908)

• fix: don't warn about a redundant link role on <area> elements without an href (#18872)

• fix: don't throw state_unsafe_mutation when the focused element is removed while bind:activeElement is used (#18921)

• fix: don't overwrite an unchanged spread value, preserving incomplete number input (#18864)

• fix: read batch-local array on each-block commit (#18879)

• fix: error at compile time when a declaration in a snippet redeclares one of its parameters (#18842)

• fix: error when using let: directives on a component with a children snippet (#18873)

• fix: ignore stale boundary reset callbacks (#18886)

• fix: handle deferred transitions aborted before initialization (#18776)

• fix: prevent hydration mismatch recovery from being intercepted by error boundaries (#18841)

• fix: preserve dynamic element connections during hydration (#18855)