diff --git a/CHANGELOG.md b/CHANGELOG.md
index 902cd832..1d0c912c 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## [0.6.18](https://github.com/nicklockwood/Euclid/releases/tag/0.6.18) (2023-09-22)
+
+- Fixed crash on iOS 16 when building with Xcode 15
+- Fixed bug in `Path.subpaths` calculation
+- Added `Polygon.center` computed property
+- Added `LineSegment`/`Plane` intersection method
+- Added `Mesh.withoutTexcoords()` method
+- Redundant texture coordinates are now excluded from RealityKit export
+- Redundant vertex normals are now excluded from SceneKit export
+
 ## [0.6.17](https://github.com/nicklockwood/Euclid/releases/tag/0.6.17) (2023-08-22)
 
 - Added `Mesh.stlData()` function for exporting binary STL file data
diff --git a/Euclid.podspec.json b/Euclid.podspec.json
index b3e44114..50692fec 100644
--- a/Euclid.podspec.json
+++ b/Euclid.podspec.json
@@ -1,6 +1,6 @@
 {
   "name": "Euclid",
-  "version": "0.6.17",
+  "version": "0.6.18",
   "license": {
     "type": "MIT",
     "file": "LICENSE.md"
@@ -10,7 +10,7 @@
   "authors": "Nick Lockwood",
   "source": {
     "git": "https://github.com/nicklockwood/Euclid.git",
-    "tag": "0.6.17"
+    "tag": "0.6.18"
   },
   "source_files": "Sources",
   "requires_arc": true,
diff --git a/Euclid.xcodeproj/project.pbxproj b/Euclid.xcodeproj/project.pbxproj
index ae59ac63..63676696 100644
--- a/Euclid.xcodeproj/project.pbxproj
+++ b/Euclid.xcodeproj/project.pbxproj
@@ -768,7 +768,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
-				MARKETING_VERSION = 0.6.17;
+				MARKETING_VERSION = 0.6.18;
 				OTHER_SWIFT_FLAGS = "-Xfrontend -warn-long-expression-type-checking=75";
 				PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.Euclid;
 				PRODUCT_MODULE_NAME = "$(PRODUCT_NAME:c99extidentifier)";
@@ -801,7 +801,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
-				MARKETING_VERSION = 0.6.17;
+				MARKETING_VERSION = 0.6.18;
 				OTHER_SWIFT_FLAGS = "-Xfrontend -warn-long-expression-type-checking=75";
 				PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.Euclid;
 				PRODUCT_MODULE_NAME = "$(PRODUCT_NAME:c99extidentifier)";
@@ -831,8 +831,10 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.EuclidTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvos appletvsimulator";
+				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx";
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = YES;
 				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2,3,6";
 			};
 			name = Debug;
 		};
@@ -854,8 +856,10 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.EuclidTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvos appletvsimulator";
+				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx";
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = YES;
 				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2,3,6";
 			};
 			name = Release;
 		};
diff --git a/Example/RealityKitViewController.swift b/Example/RealityKitViewController.swift
index 9e7858d8..a4fcf66a 100644
--- a/Example/RealityKitViewController.swift
+++ b/Example/RealityKitViewController.swift
@@ -17,21 +17,6 @@ class RealityKitViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        #if targetEnvironment(simulator)
-
-        let alert = UIAlertController(
-            title: "Unsupported",
-            message: """
-            RealityKit is not supported on iOS simulator. Run on a real
-            iPhone/iPad or using Designed for iPad on an ARM Mac.
-            """,
-            preferredStyle: .alert
-        )
-        alert.addAction(UIAlertAction(title: "OK", style: .cancel))
-        present(alert, animated: true)
-
-        #else
-
         let arView = ARView(
             frame: view.frame,
             cameraMode: .nonAR,
@@ -83,7 +68,5 @@ class RealityKitViewController: UIViewController {
             camera.transform = Transform(translation: cameraTranslation)
             camera.look(at: .zero, from: cameraTranslation, relativeTo: nil)
         }
-
-        #endif
     }
 }