From 60e05eff232c3ddfca1c20e52f72aa36165d8a22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorsten=20L=C3=BCnborg?= <t.luenborg@googlemail.com>
Date: Wed, 3 Feb 2021 19:09:20 +0100
Subject: [PATCH] fix(runtime-core): ensure app instance can be garbage
 collected after unmount (close #2907) (#2909)

close #2907

Co-authored-by: Thorsten Luenborg <t.luneborg@googlemail.com>
---
 packages/runtime-core/src/apiCreateApp.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/runtime-core/src/apiCreateApp.ts b/packages/runtime-core/src/apiCreateApp.ts
index bcb2fec1c32..2896937045e 100644
--- a/packages/runtime-core/src/apiCreateApp.ts
+++ b/packages/runtime-core/src/apiCreateApp.ts
@@ -272,6 +272,7 @@ export function createAppAPI<HostElement>(
           if (__DEV__ || __FEATURE_PROD_DEVTOOLS__) {
             devtoolsUnmountApp(app)
           }
+          delete app._container.__vue_app__
         } else if (__DEV__) {
           warn(`Cannot unmount an app that is not mounted.`)
         }