diff --git a/SilicaViewer.xcodeproj/project.pbxproj b/SilicaViewer.xcodeproj/project.pbxproj
index 0feda83..b3f7f3b 100644
--- a/SilicaViewer.xcodeproj/project.pbxproj
+++ b/SilicaViewer.xcodeproj/project.pbxproj
@@ -10,7 +10,7 @@
 		030F700B2415C6B500A43F01 /* Quartz.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 030F700A2415C6B500A43F01 /* Quartz.framework */; };
 		030F700E2415C6B500A43F01 /* PreviewViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 030F700D2415C6B500A43F01 /* PreviewViewController.swift */; };
 		030F70112415C6B500A43F01 /* PreviewViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 030F700F2415C6B500A43F01 /* PreviewViewController.xib */; };
-		030F70162415C6B500A43F01 /* QuickLook.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 030F70082415C6B500A43F01 /* QuickLook.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
+		030F70162415C6B500A43F01 /* QuickLook.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 030F70082415C6B500A43F01 /* QuickLook.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		03328514285A2AB700AEEBF3 /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 03328513285A2AB700AEEBF3 /* Extensions.swift */; };
 		03328516285A32FD00AEEBF3 /* SilicaDocument.swift in Sources */ = {isa = PBXBuildFile; fileRef = 03328515285A32FD00AEEBF3 /* SilicaDocument.swift */; };
 		03328518285A33DA00AEEBF3 /* SilicaEngine.swift in Sources */ = {isa = PBXBuildFile; fileRef = 03328517285A33DA00AEEBF3 /* SilicaEngine.swift */; };
@@ -27,7 +27,7 @@
 		036AFC0D241800350075400A /* QuickLookThumbnailing.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 036AFC0C241800350075400A /* QuickLookThumbnailing.framework */; };
 		036AFC0E241800350075400A /* Quartz.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 030F700A2415C6B500A43F01 /* Quartz.framework */; };
 		036AFC11241800350075400A /* ThumbnailProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 036AFC10241800350075400A /* ThumbnailProvider.swift */; };
-		036AFC16241800350075400A /* Thumbnail.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 036AFC0B241800350075400A /* Thumbnail.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
+		036AFC16241800350075400A /* Thumbnail.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 036AFC0B241800350075400A /* Thumbnail.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		036AFC1B241800850075400A /* ZIPFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = 036AFC1A241800850075400A /* ZIPFoundation */; };
 		0371996027BAC5D800EE1DFD /* Silica_ViewerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0371995F27BAC5D800EE1DFD /* Silica_ViewerTests.swift */; };
 		0371996727BACD8700EE1DFD /* ExportAccessoryView.xib in Resources */ = {isa = PBXBuildFile; fileRef = 0371996627BACD8700EE1DFD /* ExportAccessoryView.xib */; };
@@ -82,16 +82,16 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXCopyFilesBuildPhase section */
-		030F701A2415C6B500A43F01 /* Embed App Extensions */ = {
+		030F701A2415C6B500A43F01 /* Embed Foundation Extensions */ = {
 			isa = PBXCopyFilesBuildPhase;
 			buildActionMask = 2147483647;
 			dstPath = "";
 			dstSubfolderSpec = 13;
 			files = (
-				030F70162415C6B500A43F01 /* QuickLook.appex in Embed App Extensions */,
-				036AFC16241800350075400A /* Thumbnail.appex in Embed App Extensions */,
+				030F70162415C6B500A43F01 /* QuickLook.appex in Embed Foundation Extensions */,
+				036AFC16241800350075400A /* Thumbnail.appex in Embed Foundation Extensions */,
 			);
-			name = "Embed App Extensions";
+			name = "Embed Foundation Extensions";
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXCopyFilesBuildPhase section */
@@ -315,7 +315,7 @@
 				030F6FEA2415C5E300A43F01 /* Sources */,
 				030F6FEB2415C5E300A43F01 /* Frameworks */,
 				030F6FEC2415C5E300A43F01 /* Resources */,
-				030F701A2415C6B500A43F01 /* Embed App Extensions */,
+				030F701A2415C6B500A43F01 /* Embed Foundation Extensions */,
 			);
 			buildRules = (
 			);
@@ -414,7 +414,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1320;
-				LastUpgradeCheck = 1250;
+				LastUpgradeCheck = 1420;
 				ORGANIZATIONNAME = Josh;
 				TargetAttributes = {
 					030F6FED2415C5E300A43F01 = {
@@ -644,6 +644,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -705,6 +706,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -736,6 +738,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/Dependencies/PSDWriter/Shared";
 				INFOPLIST_FILE = SilicaViewer/Info.plist;
@@ -768,6 +771,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/Dependencies/PSDWriter/Shared";
 				INFOPLIST_FILE = SilicaViewer/Info.plist;
@@ -795,6 +799,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				INFOPLIST_FILE = Quicklook/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -817,6 +822,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				INFOPLIST_FILE = Quicklook/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -839,6 +845,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				INFOPLIST_FILE = Thumbnail/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -862,6 +869,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 8;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				INFOPLIST_FILE = Thumbnail/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -885,6 +893,7 @@
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				GENERATE_INFOPLIST_FILE = YES;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/Dependencies/PSDWriter/Shared";
@@ -905,6 +914,7 @@
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				GENERATE_INFOPLIST_FILE = YES;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/Dependencies/PSDWriter/Shared";
@@ -922,6 +932,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				EXECUTABLE_PREFIX = lib;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -933,6 +944,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
+				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = JM5LKVKH48;
 				EXECUTABLE_PREFIX = lib;
 				PRODUCT_NAME = "$(TARGET_NAME)";