From 0a31d4a16e10e947c590da8d6f9595f8030abfd2 Mon Sep 17 00:00:00 2001
From: LeLunZ <31982496+LeLunZ@users.noreply.github.com>
Date: Mon, 8 Jun 2026 16:40:13 +0200
Subject: [PATCH] fix(core): destroy CanvasContext on finalize to prevent
 memory leak

---
 modules/core/src/lib/deck.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/core/src/lib/deck.ts b/modules/core/src/lib/deck.ts
index 9cff26cb0e9..81a9c4d6b64 100644
--- a/modules/core/src/lib/deck.ts
+++ b/modules/core/src/lib/deck.ts
@@ -474,6 +474,10 @@ export default class Deck<ViewsT extends ViewOrViews = null> {
       this.canvas.parentElement?.removeChild(this.canvas);
       this.canvas = null;
     }
+
+    if (!this.props.device && !this.props.gl) {
+      this._canvasContext?.destroy();
+    }
     this._canvasContext = null;
   }