Sourced fromsvelte's changelog.

3.49.0

• Improve performance of string escaping during SSR (#5701)
• AddComponentType andComponentProps convenience types (#6770)
• Add support for CSS@layer (#7504)
• ExportCompileOptions fromsvelte/compiler (#7658)
• Fix DOM-less components not being properly destroyed (#7488)
• Fixclass: directive updates with<svelte:element> (#7521,#7571)
• Harden attribute escaping during SSR (#7530)

3.48.0

• Allow creating cancelable custom events withcreateEventDispatcher (#4623)
• Support{@const} tag in{#if} blocks#7241
• Return the context object insetContext#7427
• Allow comments inside{#each} blocks when usinganimate: (#3999)
• Fix|local transitions in{#key} blocks (#5950)
• Support svg namespace for{@html} (#7002,#7450)
• Fix{@const} tag not working inside a component when there's nolet:#7189
• Remove extraneous leading newline inside<pre> and<textarea> (#7264)
• Fix erroneous setting oftextContent for\<template> elements (#7297)
• Fix value oflet: bindings not updating in certain cases (#7440)
• Fix handling of void tags in<svelte:element> (#7449)
• Fix handling of boolean attributes in<svelte:element> (#7478)
• Add special style scoping handling of[open] selectors on<dialog> elements (#7495)

3.47.0

• Add support for dynamic elements through<svelte:element> (#2324)
• Miscellaneous variable context fixes in{@const} (#7222)
• Fix{#key} block not being reactive when the key variable is not otherwise used (#7408)
• AddSymbol as a known global (#7418)

3.46.6

• Actually include action TypeScript interface in published package (#7407)

3.46.5

• Add TypeScript interfaces for typing actions (#6538)
• Do not generateunused-export-let warning inside<script context="module"> blocks (#7055)
• Do not collapse whitespace-only CSS vars (#7152)
• Addaria-description to the list of allowed ARIA attributes (#7301)
• Fix attribute escaping during SSR (#7327)
• Prevent.innerHTML optimization from being used whenstyle: directive is present (#7386)

3.46.4

• Avoidmaximum call stack size exceeded errors on large components (#4694)
• Preserve leading space withpreserveWhitespace: true (#4731)

... (truncated)

• 52153db -> v3.49.0
• 3798808 update changelog
• 0fa0a38 [fix] export CompileOptions (#7658)
• a3ecb44 update changelog
• 7e1691c [fix] support@​layer (#7514)
• 4583b17 Update CHANGELOG.md
• 02f60fb [fix]destroy empty component (#7492)
• 31e5f8b [docs] "What's new in Svelte" July newsletter (#7637)
• 6f57571 [feat] add convenience types ComponentType and ComponentProps (#6770)
• 2f562d9 [docs] use npm create instead of npm init (#7641)
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