From 48361974612fb2a5e4d606246b40b52ede36608a Mon Sep 17 00:00:00 2001
From: Jack Pope <jackpope@meta.com>
Date: Fri, 27 Sep 2024 14:55:21 -0400
Subject: [PATCH] Revert "Increase nested update limit to 100 (#31061)"

This reverts commit f9ebd85a196948be17efdd6774b4d0464b3b1f53.
---
 packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js | 2 +-
 packages/react-dom/src/__tests__/ReactUpdates-test.js       | 2 +-
 packages/react-reconciler/src/ReactFiberWorkLoop.js         | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js b/packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js
index 57f2acfa53465..26f56a938c551 100644
--- a/packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js
+++ b/packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js
@@ -1427,7 +1427,7 @@ describe('ReactLegacyUpdates', () => {
       }
     }
 
-    let limit = 105;
+    let limit = 55;
     await expect(async () => {
       await act(() => {
         ReactDOM.render(<EventuallyTerminating ref={ref} />, container);
diff --git a/packages/react-dom/src/__tests__/ReactUpdates-test.js b/packages/react-dom/src/__tests__/ReactUpdates-test.js
index 247a53531c659..faf4b29551350 100644
--- a/packages/react-dom/src/__tests__/ReactUpdates-test.js
+++ b/packages/react-dom/src/__tests__/ReactUpdates-test.js
@@ -1542,7 +1542,7 @@ describe('ReactUpdates', () => {
       }
     }
 
-    let limit = 105;
+    let limit = 55;
     const root = ReactDOMClient.createRoot(container);
     await expect(async () => {
       await act(() => {
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.js b/packages/react-reconciler/src/ReactFiberWorkLoop.js
index ec5484c4b6eca..196859f6fa7ba 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.js
@@ -608,13 +608,13 @@ let pendingPassiveEffectsRenderEndTime: number = -0; // Profiling-only
 let pendingPassiveTransitions: Array<Transition> | null = null;
 
 // Use these to prevent an infinite loop of nested updates
-const NESTED_UPDATE_LIMIT = 100;
+const NESTED_UPDATE_LIMIT = 50;
 let nestedUpdateCount: number = 0;
 let rootWithNestedUpdates: FiberRoot | null = null;
 let isFlushingPassiveEffects = false;
 let didScheduleUpdateDuringPassiveEffects = false;
 
-const NESTED_PASSIVE_UPDATE_LIMIT = 100;
+const NESTED_PASSIVE_UPDATE_LIMIT = 50;
 let nestedPassiveUpdateCount: number = 0;
 let rootWithPassiveNestedUpdates: FiberRoot | null = null;