From a6a12282c49e006d3a6fc06297f39b84fe409deb Mon Sep 17 00:00:00 2001
From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Tue, 16 Feb 2021 17:26:22 +0200
Subject: [PATCH] Fix memory leak on destroy (#8438)

---
 src/core/core.config.js     | 6 +++++-
 src/core/core.controller.js | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/core.config.js b/src/core/core.config.js
index a0562faad..309cf75fc 100644
--- a/src/core/core.config.js
+++ b/src/core/core.config.js
@@ -156,9 +156,13 @@ export default class Config {
 
   update(options) {
     const config = this._config;
+    this.clearCache();
+    config.options = initOptions(config, options);
+  }
+
+  clearCache() {
     this._scopeCache.clear();
     this._resolverCache.clear();
-    config.options = initOptions(config, options);
   }
 
   /**
diff --git a/src/core/core.controller.js b/src/core/core.controller.js
index b84b22c33..3e9151a0f 100644
--- a/src/core/core.controller.js
+++ b/src/core/core.controller.js
@@ -831,6 +831,8 @@ class Chart {
       me._destroyDatasetMeta(i);
     }
 
+    me.config.clearCache();
+
     if (canvas) {
       me.unbindEvents();
       clearCanvas(canvas, ctx);
-- 
2.47.3