Svelte 5.56.10

Patch Changes

• fix: preserve CSS escape sequences when printing selectors (#18667)

• fix: parse :nth-child(2n of.foo) where of is not followed by whitespace (#18611)

• fix: transform expressions inside labeled statements during server compilation (#18617)

• docs: clarify that context lookup includes the current component and all ancestors (#18581)

• fix: apply CSS custom properties with falsy values on components (#18634)

• fix: correctly print {#await ... catch x} et al (#18645)

• fix: ignore comments of Program node during migration script (#18656)

• fix: reliably resolve append_style to its correct root (#18614)

• fix: clean up removed capture event handlers from spread attributes (#18618)

• fix: don't corrupt renderer type during SSR's legacy bind: retry loop (#18616)

• fix: treat concise arrow function bodies as implicit returns when calculating blockers (#18613)

• fix: give effect teardowns the value from before the first write in a flush (#18620)

• fix: avoid double-calling a derived reference when destructuring $derived of another $derived during server-side rendering (#18668)

• fix: preserve namespaces in CSS type selectors (#18678)

• fix: increment private state fields through a non-this receiver (#18622)

• chore: deduplicate client and server context helpers (#18580)

• fix: release last_propagated_event after event propagation settles so it no longer retains the last event's target subtree (#18569)

• fix: allow custom elements to receive async values as props (#18661)

• fix: strip comments from inline style values in linear time (#18553)

• fix: prevent declaration comments from breaking server derived references (#18641)

• perf: make async blocker analysis scale linearly with the number of top-level references (#18549)

• fix: preserve short-circuiting for logical assignments to private state fields (#18594)