From 8bc6fe1ed3aa8d7418b8efb4cbac5367afc940d7 Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Tue, 17 Oct 2017 20:36:42 -0700
Subject: [PATCH] Don't use the new GM API on Tampermonkey yet. #1534

---
 src/platform/$.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/platform/$.coffee b/src/platform/$.coffee
index 9eeaebf6d..a031c162a 100644
--- a/src/platform/$.coffee
+++ b/src/platform/$.coffee
@@ -510,7 +510,7 @@ do ->
 # http://wiki.greasespot.net/Main_Page
 # https://tampermonkey.net/documentation.php
 
-if GM?.deleteValue?
+if GM?.deleteValue? and window.BroadcastChannel and not GM_addValueChangeListener?
 
   $.syncChannel = new BroadcastChannel(g.NAMESPACE + 'sync')