From 0ac5d568652b7945a3d455f23e603e873965d590 Mon Sep 17 00:00:00 2001
From: Stephan Huber <stephan.huber@endress.com>
Date: Fri, 10 Jul 2020 23:03:36 +0200
Subject: [PATCH 1/3] must be const for backward compatibility

---
 js/logger.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/logger.js b/js/logger.js
index 122ba81a..0f33b473 100644
--- a/js/logger.js
+++ b/js/logger.js
@@ -19,7 +19,7 @@
 		root.Log = factory(root.config);
 	}
 })(this, function (config) {
-	let logLevel = {
+	const logLevel = {
 		info: Function.prototype.bind.call(console.info, console),
 		log: Function.prototype.bind.call(console.log, console),
 		error: Function.prototype.bind.call(console.error, console),

From 377e42affc51ff01cff770b04bc87a203c5b9ea3 Mon Sep 17 00:00:00 2001
From: Stephan Huber <stephan.huber@endress.com>
Date: Fri, 10 Jul 2020 23:12:17 +0200
Subject: [PATCH 2/3] fix display style for older browsers

---
 js/main.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/js/main.js b/js/main.js
index dc1667af..cbf2566f 100644
--- a/js/main.js
+++ b/js/main.js
@@ -42,7 +42,7 @@ var MM = (function () {
 			dom.appendChild(moduleHeader);
 
 			if (typeof module.getHeader() === "undefined" || module.getHeader() !== "") {
-				moduleHeader.style = "display: none;";
+				moduleHeader.style.display = "none;";
 			}
 
 			var moduleContent = document.createElement("div");
@@ -216,7 +216,11 @@ var MM = (function () {
 		contentWrapper[0].appendChild(newContent);
 
 		headerWrapper[0].innerHTML = newHeader;
-		headerWrapper[0].style = headerWrapper.length > 0 && newHeader ? undefined : "display: none;";
+		if (headerWrapper.length > 0 && newHeader) {
+			delete headerWrapper[0].style;
+		} else {
+			headerWrapper[0].style.display = "none";
+		}
 	};
 
 	/* hideModule(module, speed, callback)

From 17549fed9cc8a514a145b93a805106f3074908ce Mon Sep 17 00:00:00 2001
From: Stephan Huber <stephan.huber@endress.com>
Date: Sat, 11 Jul 2020 08:25:01 +0200
Subject: [PATCH 3/3] Update CHANGELOG.md

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d5bc9b4..397fcfb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ _This release is scheduled to be released on 2020-10-01._
 
 ### Fixed
 
+- Fix backward compatibility issues for Safari < 11. [#1985](https://github.com/MichMich/MagicMirror/issues/1985)
 - Fix the use of "maxNumberOfDays" in the module "weatherforecast depending on the endpoint (forecast/daily or forecast)". [#2018](https://github.com/MichMich/MagicMirror/issues/2018)
 - Fix calendar display. Account for current timezone. [#2068](https://github.com/MichMich/MagicMirror/issues/2068)
 - Fix logLevel being set before loading config.