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Hydration rewrites numeric/boolean attributes that already match the server markup

Status: Open.

#18868 In sveltejs/svelte;

· xyrolle opened on Sep 23, 2026

schedule_effect dereferences a null current_batch (regression in 5.54.0)

Status: Open.

#18850 In sveltejs/svelte;

· ndri opened on Sep 21, 2026

SSR: a component bind: copies the whole page on every retry, and breaks <select>

Status: Open.

#18845 In sveltejs/svelte;

· DmitriiNazimov opened on Sep 19, 2026

Chromium: responsive <img> in an {#if}/snippet-only fragment is retained forever — template-document clone adopted into a page-document comment() fragment and back

Status: Open.

#18834 In sveltejs/svelte;

· rickryan26-Bot opened on Sep 16, 2026

A derived read via untrack() inside an effect leaves its child deriveds connected forever (memory leak: unmounted components pinned through page.data)

Status: Open.

#18827 In sveltejs/svelte;

· rickryan26-Bot opened on Sep 16, 2026

Synchronous throw in an awaited expression becomes null.f

Status: Open.

#18824 In sveltejs/svelte;

· jkbz64 opened on Sep 15, 2026

forkPreloads crashing: a speculative render writes the UNINITIALIZED sentinel to the DOM

Status: Open.

#18811 In sveltejs/svelte;

· TristanCopley opened on Sep 11, 2026

Hydration mismatch in <svelte:head> can remove unrelated stylesheet via skip_nodes()

awaiting submitterneeds a reproduction, or clarificationneeds a reproduction, or clarification

Status: Open.

#18802 In sveltejs/svelte;

· toon-van-berkel opened on Sep 9, 2026

Async component initialization crashes when current_batch is null

Status: Open.

#18799 In sveltejs/svelte;

· jkbz64 opened on Sep 8, 2026

Memory leak: reconnecting a derived after nested state replacement retains unmounted components

Status: Open.

#18781 In sveltejs/svelte;

· kmplngj opened on Sep 6, 2026

Discussion: Improving hydration performance for large lists

perf

Status: Open.

#18780 In sveltejs/svelte;

· fbwe425 opened on Sep 6, 2026

Plugin source map still not properly chained

Status: Open.

#18778 In sveltejs/svelte;

· K1DV5 opened on Sep 5, 2026