From 4c8de423af03288471284b6ecc7f44b08973b08d Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Mon, 28 Sep 2020 12:20:07 +0200
Subject: [PATCH] Remove context references when releasing tiles

---
 src/ol/VectorRenderTile.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ol/VectorRenderTile.js b/src/ol/VectorRenderTile.js
index 782cd7860c..efac251307 100644
--- a/src/ol/VectorRenderTile.js
+++ b/src/ol/VectorRenderTile.js
@@ -164,6 +164,7 @@ class VectorRenderTile extends Tile {
   release() {
     for (const key in this.context_) {
       canvasPool.push(this.context_[key].canvas);
+      delete this.context_[key];
     }
     super.release();
   }