From 656e8c2c77400d1ffe6233b9f1e5d5638c701cfa Mon Sep 17 00:00:00 2001
From: "Michael \"Z\" Goddard" <mzgoddard@gmail.com>
Date: Thu, 21 Mar 2019 14:57:22 -0400
Subject: [PATCH] render only new toolbox xmls

---
 src/containers/blocks.jsx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/containers/blocks.jsx b/src/containers/blocks.jsx
index ecb998ea4..7cfb62fb6 100644
--- a/src/containers/blocks.jsx
+++ b/src/containers/blocks.jsx
@@ -199,8 +199,11 @@ class Blocks extends React.Component {
 
         const categoryId = this.workspace.toolbox_.getSelectedCategoryId();
         const offset = this.workspace.toolbox_.getCategoryScrollOffset();
-        this.workspace.updateToolbox(this.props.toolboxXML);
-        this._renderedToolboxXML = this.props.toolboxXML;
+
+        if (this._renderedToolboxXML !== this.props.toolboxXML) {
+            this.workspace.updateToolbox(this.props.toolboxXML);
+            this._renderedToolboxXML = this.props.toolboxXML;
+        }
 
         // In order to catch any changes that mutate the toolbox during "normal runtime"
         // (variable changes/etc), re-enable toolbox refresh.