From 1b4a3f8d4918ad62e6a323b27afe4a375680d361 Mon Sep 17 00:00:00 2001
From: Yihui Liao <44729383+yihuiliao@users.noreply.github.com>
Date: Wed, 29 Jul 2026 14:34:59 -0700
Subject: [PATCH] chore: reverse virtualizer audit (#10389)

* remove getScrollAnchor from Layout

* run update size on every render

* update name

* fix lint
---
 packages/react-aria/src/virtualizer/useVirtualizerItem.ts | 2 +-
 packages/react-stately/src/virtualizer/Layout.ts          | 8 --------
 packages/react-stately/src/virtualizer/Virtualizer.ts     | 1 +
 3 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/packages/react-aria/src/virtualizer/useVirtualizerItem.ts b/packages/react-aria/src/virtualizer/useVirtualizerItem.ts
index a961a7e9af8..83cf3e42241 100644
--- a/packages/react-aria/src/virtualizer/useVirtualizerItem.ts
+++ b/packages/react-aria/src/virtualizer/useVirtualizerItem.ts
@@ -51,7 +51,7 @@ export function useVirtualizerItem(options: VirtualizerItemOptions): {updateSize
     if (layoutInfo?.estimatedSize) {
       updateSizeEvent();
     }
-  }, [layoutInfo?.estimatedSize]);
+  });
 
   // TODO: Consider using a MutationObserver in addition to ResizeObserver to detect
   // when inner DOM structure changes cause an item's height to change.
diff --git a/packages/react-stately/src/virtualizer/Layout.ts b/packages/react-stately/src/virtualizer/Layout.ts
index 30130b782c5..fd585fe7f59 100644
--- a/packages/react-stately/src/virtualizer/Layout.ts
+++ b/packages/react-stately/src/virtualizer/Layout.ts
@@ -14,7 +14,6 @@ import {InvalidationContext} from './types';
 import {ItemDropTarget, Key, LayoutDelegate, Node} from '@react-types/shared';
 import {LayoutInfo} from './LayoutInfo';
 import {Rect} from './Rect';
-import {ScrollAnchorInfo} from './ScrollAnchor';
 import {Size} from './Size';
 import {Virtualizer} from './Virtualizer';
 
@@ -74,13 +73,6 @@ export abstract class Layout<T extends object = Node<any>, O = any> implements L
     return newOptions !== oldOptions;
   }
 
-  /**
-   * Describes the edge-anchoring this layout wants, if any. Returning null (or omitting this
-   * method) disables scroll-anchoring entirely — the virtualizer's generic anchor-tracking logic
-   * is skipped.
-   */
-  UNSTABLE_getScrollAnchorInfo?(_layoutOptions?: O): ScrollAnchorInfo | null;
-
   /**
    * This method allows the layout to perform any pre-computation
    * it needs to in order to prepare LayoutInfos for retrieval.
diff --git a/packages/react-stately/src/virtualizer/Virtualizer.ts b/packages/react-stately/src/virtualizer/Virtualizer.ts
index cfbd178f957..bfa3bef8538 100644
--- a/packages/react-stately/src/virtualizer/Virtualizer.ts
+++ b/packages/react-stately/src/virtualizer/Virtualizer.ts
@@ -170,6 +170,7 @@ export class Virtualizer<T extends object, V> {
   }
 
   private relayout(context: InvalidationContext = {}) {
+    // @ts-ignore
     let anchorInfo = this.layout.UNSTABLE_getScrollAnchorInfo?.(context.layoutOptions) ?? null;
 
     // Capture scroll anchor from current (pre-layout) view positions.