From 73d61b058ebf28c041ff1939f7410ed8fd43d08d Mon Sep 17 00:00:00 2001
From: Katie McFaul <kmcfaul@redhat.com>
Date: Mon, 23 Mar 2026 11:05:01 -0400
Subject: [PATCH 1/2] fix(Popper): add null & connected checks for document

---
 .../popper-core/dom-utils/getDocumentElement.ts   |  2 +-
 .../Popper/thirdparty/react-popper/usePopper.ts   | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/react-core/src/helpers/Popper/thirdparty/popper-core/dom-utils/getDocumentElement.ts b/packages/react-core/src/helpers/Popper/thirdparty/popper-core/dom-utils/getDocumentElement.ts
index 2489986c00f..76faa40bc2d 100644
--- a/packages/react-core/src/helpers/Popper/thirdparty/popper-core/dom-utils/getDocumentElement.ts
+++ b/packages/react-core/src/helpers/Popper/thirdparty/popper-core/dom-utils/getDocumentElement.ts
@@ -7,5 +7,5 @@ import { Window } from '../types';
  */
 export default function getDocumentElement(element: Element | Window): HTMLElement {
   // $FlowFixMe: assume body is always available
-  return (isElement(element) ? element.ownerDocument : element.document).documentElement;
+  return ((isElement(element) ? element.ownerDocument : element.document) || window.document).documentElement;
 }
diff --git a/packages/react-core/src/helpers/Popper/thirdparty/react-popper/usePopper.ts b/packages/react-core/src/helpers/Popper/thirdparty/react-popper/usePopper.ts
index 97b99893ae4..f105144b9d9 100644
--- a/packages/react-core/src/helpers/Popper/thirdparty/react-popper/usePopper.ts
+++ b/packages/react-core/src/helpers/Popper/thirdparty/react-popper/usePopper.ts
@@ -35,6 +35,17 @@ type State = {
 
 const EMPTY_MODIFIERS: any = [];
 
+function isReferenceConnected(reference: Element | VirtualElement): boolean {
+  if (reference instanceof Element) {
+    return reference.isConnected;
+  }
+  const { contextElement } = reference;
+  if (contextElement instanceof Element) {
+    return contextElement.isConnected;
+  }
+  return true;
+}
+
 export const usePopper = (
   referenceElement: (Element | VirtualElement) | null | undefined,
   popperElement: HTMLElement | null | undefined,
@@ -114,6 +125,10 @@ export const usePopper = (
       return;
     }
 
+    if (!isReferenceConnected(referenceElement) || !popperElement.isConnected) {
+      return;
+    }
+
     const createPopper = options.createPopper || defaultCreatePopper;
     const popperInstance = createPopper(referenceElement, popperElement, popperOptions);
 

From 0d33466d427eb9d38d9a12a81ade982f48ec2b0b Mon Sep 17 00:00:00 2001
From: Donald Labaj <donald.labaj@gmail.com>
Date: Mon, 23 Mar 2026 12:03:55 -0400
Subject: [PATCH 2/2] chore: sync yarn.lock with registry metadata for
 react-router

Yarn hardened mode on public PRs rejects a lockfile that lists stale
dependencies for react-router@7.13.0. Refresh the lockfile so
`yarn install --immutable` succeeds in CI.

Made-with: Cursor
---
 yarn.lock | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index b93ab9c0519..9107a6c2def 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5477,13 +5477,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/cookie@npm:^0.6.0":
-  version: 0.6.0
-  resolution: "@types/cookie@npm:0.6.0"
-  checksum: 10c0/5b326bd0188120fb32c0be086b141b1481fec9941b76ad537f9110e10d61ee2636beac145463319c71e4be67a17e85b81ca9e13ceb6e3bb63b93d16824d6c149
-  languageName: node
-  linkType: hard
-
 "@types/d3-array@npm:^3.0.3":
   version: 3.2.1
   resolution: "@types/d3-array@npm:3.2.1"
@@ -19339,10 +19332,8 @@ __metadata:
   version: 7.13.0
   resolution: "react-router@npm:7.13.0"
   dependencies:
-    "@types/cookie": "npm:^0.6.0"
     cookie: "npm:^1.0.1"
     set-cookie-parser: "npm:^2.6.0"
-    turbo-stream: "npm:2.4.0"
   peerDependencies:
     react: ">=18"
     react-dom: ">=18"
@@ -22550,13 +22541,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"turbo-stream@npm:2.4.0":
-  version: 2.4.0
-  resolution: "turbo-stream@npm:2.4.0"
-  checksum: 10c0/e68b2569f1f16e6e9633d090c6024b2ae9f0e97bfeacb572451ca3732e120ebbb546f3bc4afc717c46cb57b5aea6104e04ef497f9912eef6a7641e809518e98a
-  languageName: node
-  linkType: hard
-
 "tweetnacl@npm:^0.14.3, tweetnacl@npm:~0.14.0":
   version: 0.14.5
   resolution: "tweetnacl@npm:0.14.5"