From b553535abbda033fd9cfc8e1b644a13876f2a7f1 Mon Sep 17 00:00:00 2001
From: Carson <cpsievert1@gmail.com>
Date: Thu, 23 Apr 2026 19:58:04 -0500
Subject: [PATCH] Skip doTriggerResize() during initial output info send

---
 srcts/src/shiny/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/srcts/src/shiny/index.ts b/srcts/src/shiny/index.ts
index 80922e3f5..a24e55079 100644
--- a/srcts/src/shiny/index.ts
+++ b/srcts/src/shiny/index.ts
@@ -478,7 +478,7 @@ class ShinyClass {
         if (id) outputIds.add(id);
         ensureObservers(el);
 
-        doTriggerResize(el);
+        if (!initial) doTriggerResize(el);
         doSendHiddenState(el, initial);
         if (reportsSize(el)) {
           doSendSize(el, initial);