Support Xcode 11.5.
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
index b63defa..adb88b3 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
@@ -547,7 +547,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "API-Samples" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
index 620a035..fd267bd 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
index 283d573..029bc89 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
index afb8606..75030f0 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
@@ -234,7 +234,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "Cube" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
index b6cace4..23b9271 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
index 7a4cf00..756dba9 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
index 9058306..9129ae3 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
@@ -265,7 +265,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "Hologram" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
index 38a9ae3..d2069b0 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
index 7ad255a..30d2b38 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Docs/Whats_New.md b/Docs/Whats_New.md
index 2b7845c..47fdd4c 100644
--- a/Docs/Whats_New.md
+++ b/Docs/Whats_New.md
@@ -34,6 +34,7 @@
 	  through `vkGetPerformanceStatisticsMVK()`.
 	- Add `MVK_CONFIG_PERFORMANCE_LOGGING_INLINE` env var to enable/disable
 	  logging of performance of each activity when it happens. 
+- Support Xcode 11.5.
 
 
 
diff --git a/MoltenVK/MoltenVK.xcodeproj/project.pbxproj b/MoltenVK/MoltenVK.xcodeproj/project.pbxproj
index 83265aa..dc88117 100644
--- a/MoltenVK/MoltenVK.xcodeproj/project.pbxproj
+++ b/MoltenVK/MoltenVK.xcodeproj/project.pbxproj
@@ -860,7 +860,7 @@
 		A9F55D25198BE6A7004EC31B /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 				ORGANIZATIONNAME = "The Brenwill Workshop Ltd.";
 				TargetAttributes = {
 					A9B8EE091A98D796009C5A02 = {
diff --git a/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-iOS.xcscheme b/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-iOS.xcscheme
index fcfb674..5be3d34 100644
--- a/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-iOS.xcscheme
+++ b/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-macOS.xcscheme b/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-macOS.xcscheme
index 6e4b83f..7c9db07 100644
--- a/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-macOS.xcscheme
+++ b/MoltenVK/MoltenVK.xcodeproj/xcshareddata/xcschemes/MoltenVK-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKPackaging.xcodeproj/project.pbxproj b/MoltenVKPackaging.xcodeproj/project.pbxproj
index a6599f1..c9cf30d 100644
--- a/MoltenVKPackaging.xcodeproj/project.pbxproj
+++ b/MoltenVKPackaging.xcodeproj/project.pbxproj
@@ -267,7 +267,7 @@
 		A90B2B1D1A9B6170008EE819 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 				TargetAttributes = {
 					A9FEADBC1F3517480010240E = {
 						DevelopmentTeam = VU3TCKU48B;
diff --git a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MVKShaderConverterTool Package.xcscheme b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MVKShaderConverterTool Package.xcscheme
index f1086b5..88e120b 100644
--- a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MVKShaderConverterTool Package.xcscheme
+++ b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MVKShaderConverterTool Package.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050Debug\051.xcscheme" "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050Debug\051.xcscheme"
index c68daf5..fb519fc 100644
--- "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050Debug\051.xcscheme"
+++ "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050Debug\051.xcscheme"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050iOS only\051.xcscheme" "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050iOS only\051.xcscheme"
index 5d5ea44..c8303b7 100644
--- "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050iOS only\051.xcscheme"
+++ "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050iOS only\051.xcscheme"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050macOS only\051.xcscheme" "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050macOS only\051.xcscheme"
index 011bb1f..296fbcd 100644
--- "a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050macOS only\051.xcscheme"
+++ "b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package \050macOS only\051.xcscheme"
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package.xcscheme b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package.xcscheme
index 0e1d409..02b62e2 100644
--- a/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package.xcscheme
+++ b/MoltenVKPackaging.xcodeproj/xcshareddata/xcschemes/MoltenVK Package.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "NO"
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj
index 62fb66e..e19c797 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/project.pbxproj
@@ -415,7 +415,7 @@
 		A9F55D25198BE6A7004EC31B /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1140;
+				LastUpgradeCheck = 1150;
 				ORGANIZATIONNAME = "The Brenwill Workshop Ltd.";
 				TargetAttributes = {
 					A9092A8C1A81717B00051823 = {
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-iOS.xcscheme b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-iOS.xcscheme
index 9c5e88e..4a06e22 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-iOS.xcscheme
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-macOS.xcscheme b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-macOS.xcscheme
index 555a788..a4a66d6 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-macOS.xcscheme
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKGLSLToSPIRVConverter-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-iOS.xcscheme b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-iOS.xcscheme
index a3d1947..8c280b7 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-iOS.xcscheme
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-macOS.xcscheme b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-macOS.xcscheme
index 445228e..10e1218 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-macOS.xcscheme
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKSPIRVToMSLConverter-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKShaderConverter.xcscheme b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKShaderConverter.xcscheme
index 9b5bad7..4fcf339 100644
--- a/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKShaderConverter.xcscheme
+++ b/MoltenVKShaderConverter/MoltenVKShaderConverter.xcodeproj/xcshareddata/xcschemes/MoltenVKShaderConverter.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1140"
+   LastUpgradeVersion = "1150"
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"