From 4617f570273b3a702903d506aed8a2df6fc2c369 Mon Sep 17 00:00:00 2001
From: Ben Howell <behowell@microsoft.com>
Date: Wed, 21 Sep 2022 16:21:49 -0700
Subject: [PATCH 1/2] fix: Make Menu openOnHover prop work again

---
 ...ui-react-menu-5eeb5c9b-a02e-4d75-aeee-9e9fd45a5aac.json | 7 +++++++
 .../react-menu/src/components/Menu/useMenu.tsx             | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 change/@fluentui-react-menu-5eeb5c9b-a02e-4d75-aeee-9e9fd45a5aac.json

diff --git a/change/@fluentui-react-menu-5eeb5c9b-a02e-4d75-aeee-9e9fd45a5aac.json b/change/@fluentui-react-menu-5eeb5c9b-a02e-4d75-aeee-9e9fd45a5aac.json
new file mode 100644
index 00000000000000..29eaedc7d7147a
--- /dev/null
+++ b/change/@fluentui-react-menu-5eeb5c9b-a02e-4d75-aeee-9e9fd45a5aac.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "fix: Make Menu openOnHover prop work again",
+  "packageName": "@fluentui/react-menu",
+  "email": "behowell@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/react-components/react-menu/src/components/Menu/useMenu.tsx b/packages/react-components/react-menu/src/components/Menu/useMenu.tsx
index ca677101ab140b..d81699a2f40ab6 100644
--- a/packages/react-components/react-menu/src/components/Menu/useMenu.tsx
+++ b/packages/react-components/react-menu/src/components/Menu/useMenu.tsx
@@ -25,6 +25,7 @@ import { Tab } from '@fluentui/keyboard-keys';
  * @param props - props from this instance of Menu
  */
 export const useMenu_unstable = (props: MenuProps): MenuState => {
+  const isSubmenu = useIsSubmenu();
   const {
     hoverDelay = 500,
     inline = false,
@@ -33,10 +34,10 @@ export const useMenu_unstable = (props: MenuProps): MenuState => {
     closeOnScroll = false,
     openOnContext = false,
     persistOnItemClick = false,
+    openOnHover = isSubmenu,
     defaultCheckedValues,
   } = props;
   const triggerId = useId('menu');
-  const isSubmenu = useIsSubmenu();
   const [contextTarget, setContextTarget] = usePositioningMouseTarget();
 
   const positioningState = {
@@ -96,7 +97,7 @@ export const useMenu_unstable = (props: MenuProps): MenuState => {
     hoverDelay,
     triggerId,
     isSubmenu,
-    openOnHover: isSubmenu,
+    openOnHover,
     contextTarget,
     setContextTarget,
     hasCheckmarks,

From 0baf43c1c532e3173e90da4c61314e6e5888c334 Mon Sep 17 00:00:00 2001
From: Ben Howell <behowell@microsoft.com>
Date: Thu, 22 Sep 2022 11:57:18 -0700
Subject: [PATCH 2/2] Add openOnHover cypress test

---
 .../react-menu/e2e/Menu.e2e.tsx               | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/packages/react-components/react-menu/e2e/Menu.e2e.tsx b/packages/react-components/react-menu/e2e/Menu.e2e.tsx
index 61bce47b982c8d..f8ead57d4a1200 100644
--- a/packages/react-components/react-menu/e2e/Menu.e2e.tsx
+++ b/packages/react-components/react-menu/e2e/Menu.e2e.tsx
@@ -51,6 +51,28 @@ describe('MenuTrigger', () => {
       .should('be.focused');
   });
 
+  it('should open menu on hover if openOnHover is set', () => {
+    mount(
+      <Menu openOnHover hoverDelay={1}>
+        <MenuTrigger>
+          <button>Menu</button>
+        </MenuTrigger>
+        <MenuPopover>
+          <MenuList>
+            <MenuItem>Item</MenuItem>
+          </MenuList>
+        </MenuPopover>
+      </Menu>,
+    );
+    cy.get(menuTriggerSelector)
+      .realHover()
+      .wait(1)
+      .get(menuSelector)
+      .should('be.visible')
+      .get(menuItemSelector)
+      .should('be.focused');
+  });
+
   it('should close menu on escape when focus is on the trigger', () => {
     mount(
       <Menu>