From 1978b935ba92397e31638959dead8d83a0c1d8a6 Mon Sep 17 00:00:00 2001
From: Ashley Harrison <ashley.harrison@grafana.com>
Date: Wed, 21 Sep 2022 15:42:08 +0100
Subject: [PATCH] remove underlay fade out animation (#55578)

---
 public/app/core/components/MegaMenu/NavBarMenu.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/core/components/MegaMenu/NavBarMenu.tsx b/public/app/core/components/MegaMenu/NavBarMenu.tsx
index 95be7b68ac3..07b85148ec1 100644
--- a/public/app/core/components/MegaMenu/NavBarMenu.tsx
+++ b/public/app/core/components/MegaMenu/NavBarMenu.tsx
@@ -100,7 +100,7 @@ export function NavBarMenu({ activeItem, navItems, searchBarHidden, onClose }: P
         in={isOpen}
         unmountOnExit={true}
         classNames={animStyles.backdrop}
-        timeout={animationSpeed}
+        timeout={{ enter: animationSpeed, exit: 0 }}
       >
         <div ref={backdropRef} className={styles.backdrop} {...underlayProps} />
       </CSSTransition>