diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 8170c773..5e5fe2a7 100755
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -245,9 +245,9 @@ void set_default_settings(Settings *settings) {
 	settings->setDefault("font_shadow", "1");
 	settings->setDefault("font_shadow_alpha", "127");
 	settings->setDefault("mono_font_path",
-	                     porting::getDataPath("fonts" DIR_DELIM "Cousine-Regular.ttf"));
+						 porting::getDataPath("fonts" DIR_DELIM "Cousine-Regular.ttf"));
 	settings->setDefault("fallback_font_path",
-	                     porting::getDataPath("fonts" DIR_DELIM "DroidSansFallback.ttf"));
+						 porting::getDataPath("fonts" DIR_DELIM "DroidSansFallback.ttf"));
 
 	settings->setDefault("fallback_font_shadow", "1");
 	settings->setDefault("fallback_font_shadow_alpha", "128");
@@ -302,7 +302,7 @@ void set_default_settings(Settings *settings) {
 
 	settings->setDefault("kick_msg_shutdown", "Server shutting down.");
 	settings->setDefault("kick_msg_crash",
-	                     "This server has experienced an internal error. You will now be disconnected.");
+						 "This server has experienced an internal error. You will now be disconnected.");
 	settings->setDefault("ask_reconnect_on_crash", "false");
 	settings->setDefault("kamikaze", "false");
 
@@ -402,8 +402,6 @@ void set_default_settings(Settings *settings) {
 	settings->setDefault("screenW", "0");
 	settings->setDefault("screenH", "0");
 	settings->setDefault("fullscreen", "true");
-	settings->setDefault("enable_shaders", "false");
-	settings->setDefault("video_driver", "ogles1");
 	settings->setDefault("touchtarget", "true");
 	settings->setDefault("touchscreen_threshold", "20");
 	settings->setDefault("doubletap_jump", "true");
@@ -415,15 +413,15 @@ void set_default_settings(Settings *settings) {
 
 	// Set the optimal settings depending on the memory size [Android] | model [iOS]
 #ifdef __ANDROID__
-	// minimal settings for less than 2GB RAM
 	if (porting::getMemoryMax() < 2) {
+		// minimal settings for less than 2GB RAM
 #elif __IOS__
-	// minimal settings for 32-bit devices
 	bool arm = false;
-#if defined(__arm__)
+#ifdef __arm__
 	arm = true;
 #endif
 	if (arm) {
+		// minimal settings for 32-bit devices
 		settings->setDefault("enable_minimap", "false");
 		settings->setDefault("enable_clouds", "false");
 #endif
@@ -441,12 +439,13 @@ void set_default_settings(Settings *settings) {
 		settings->setDefault("max_block_generate_distance", "1");
 		settings->setDefault("enable_weather", "false");
 #ifdef __ANDROID__
-	// low settings for 2-4GB RAM
 	} else if (porting::getMemoryMax() >= 2 && porting::getMemoryMax() < 4) {
+		// low settings for 2-4GB RAM
 #elif __IOS__
-	// low settings
-	} else if (([SDVersion deviceVersion] == iPhone5S) || ([SDVersion deviceVersion] == iPhone6) || ([SDVersion deviceVersion] == iPhone6Plus) || ([SDVersion deviceVersion] == iPodTouch6Gen) ||
+	} else if (([SDVersion deviceVersion] == iPhone5S) || ([SDVersion deviceVersion] == iPhone6) || ([SDVersion deviceVersion] == iPhone6Plus) ||
+			   ([SDVersion deviceVersion] == iPodTouch6Gen) ||
 			   ([SDVersion deviceVersion] == iPadMini2) || ([SDVersion deviceVersion] == iPadMini3)) {
+		// low settings
 		settings->setDefault("enable_minimap", "false");
 #endif
 		settings->setDefault("client_unload_unused_data_timeout", "120");
@@ -464,12 +463,13 @@ void set_default_settings(Settings *settings) {
 		settings->setDefault("max_block_generate_distance", "2");
 		settings->setDefault("enable_weather", "false");
 #ifdef __ANDROID__
-	// medium settings for 4.1-6GB RAM
 	} else if (porting::getMemoryMax() >= 4 && porting::getMemoryMax() < 6) {
+		// medium settings for 4.1-6GB RAM
 #elif __IOS__
-	// medium settings
-	} else if (([SDVersion deviceVersion] == iPhone6S) || ([SDVersion deviceVersion] == iPhone6SPlus) || ([SDVersion deviceVersion] == iPhoneSE) || ([SDVersion deviceVersion] == iPhone7) || ([SDVersion deviceVersion] == iPhone7Plus) ||
+	} else if (([SDVersion deviceVersion] == iPhone6S) || ([SDVersion deviceVersion] == iPhone6SPlus) || ([SDVersion deviceVersion] == iPhoneSE) ||
+			   ([SDVersion deviceVersion] == iPhone7) || ([SDVersion deviceVersion] == iPhone7Plus) ||
 			   ([SDVersion deviceVersion] == iPadMini4) || ([SDVersion deviceVersion] == iPadAir)) {
+		// medium settings
 		settings->setDefault("enable_minimap", "false");
 #endif
 		settings->setDefault("client_unload_unused_data_timeout", "300");
@@ -480,23 +480,33 @@ void set_default_settings(Settings *settings) {
 		settings->setDefault("active_block_range", "2");
 		settings->setDefault("max_block_generate_distance", "3");
 	} else {
-	// high settings
+		// high settings
 		settings->setDefault("client_mapblock_limit", "500");
 		settings->setDefault("viewing_range", "80");
 		settings->setDefault("max_block_generate_distance", "5");
+
+		if (@available(iOS 13, *)) {
+			// enable visual shader effects
+			settings->setDefault("enable_waving_water", "true");
+			settings->setDefault("enable_waving_leaves", "true");
+			settings->setDefault("enable_waving_plants", "true");
+		}
 	}
 
 	// Android Settings
 #ifdef __ANDROID__
+	settings->setDefault("video_driver", "ogles1");
+	settings->setDefault("enable_shaders", "false");
+
 	settings->setDefault("debug_log_level", "error");
 
 	// Set font_path
 	settings->setDefault("mono_font_path", "/system/fonts/DroidSansMono.ttf");
 	settings->setDefault("fallback_font_path", "/system/fonts/DroidSans.ttf");
 
-	// Check screen size
-	double x_inches = (double) porting::getDisplaySize().X /
-	                   (160 * porting::getDisplayDensity());
+	// Apply settings according to screen size
+	float x_inches = (float) porting::getDisplaySize().X /
+			(160.f * porting::getDisplayDensity());
 	std::string font_size_str_small = std::to_string(TTF_DEFAULT_FONT_SIZE - 1);
 
 	if (x_inches <= 3.7) {
@@ -523,6 +533,15 @@ void set_default_settings(Settings *settings) {
 
 	// iOS Settings
 #ifdef __IOS__
+	// Switch to olges2 with shaders on the new iOS version
+	if (@available(iOS 13, *)) {
+		settings->setDefault("video_driver", "ogles2");
+		settings->setDefault("enable_shaders", "true");
+	} else {
+		settings->setDefault("video_driver", "ogles1");
+		settings->setDefault("enable_shaders", "false");
+	}
+
 	settings->setDefault("debug_log_level", "none");
 	settings->setDefault("password_save", "true");