From f00cdee0a1aa00f6b335e71e4a13d78016b9e142 Mon Sep 17 00:00:00 2001 From: David Roizenman Date: Tue, 16 Dec 2025 10:22:18 -0800 Subject: [PATCH] fix: reconnect child deriveds when evaluating connected parent derived fixes #17352 --- packages/svelte/src/internal/client/runtime.js | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js index ba19b6b9d7..6ea206d17e 100644 --- a/packages/svelte/src/internal/client/runtime.js +++ b/packages/svelte/src/internal/client/runtime.js @@ -629,9 +629,12 @@ export function get(signal) { } if ( - is_updating_effect && (derived.f & CONNECTED) === 0 && - (effect_tracking() || (active_effect !== null && (active_effect.f & BRANCH_EFFECT) !== 0)) + ((is_updating_effect && + (effect_tracking() || + (active_effect !== null && (active_effect.f & BRANCH_EFFECT) !== 0))) || + // evaluating connected parent derived, so reconnect child deriveds too + (active_reaction !== null && (active_reaction.f & CONNECTED) !== 0)) ) { reconnect(derived); }