diff --git a/.github/workflows/create-release-pr.yml b/.github/workflows/create-release-pr.yml
new file mode 100644
index 000000000..57954c37d
--- /dev/null
+++ b/.github/workflows/create-release-pr.yml
@@ -0,0 +1,128 @@
+name: Create Unity Release PR
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump_command:
+        description: "Version bump type (major, minor, patch, specify)"
+        required: true
+        type: choice
+        options:
+          - major
+          - minor
+          - patch
+          - specify
+      postfix:
+        description: "Optional postfix (e.g. preview, beta, or specific version when using 'specify')"
+        required: false
+        type: string
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  compose-unity-release:
+    name: Compose Unity Release
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      BUMP_COMMAND: ${{ github.event.inputs.bump_command }}
+      POSTFIX: ${{ github.event.inputs.postfix }}
+
+    steps:
+      - name: 📦 Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+
+      - name: Display Configuration
+        run: |
+          echo "============================================"
+          echo "🎮 Unity SDK Release Composition"
+          echo "🧩 Bump Command: $BUMP_COMMAND"
+          echo "🏷️  Postfix: $POSTFIX"
+          echo "============================================"
+
+      - name: Prepare Environment
+        run: |
+          brew install gh jq || true
+          gh auth status || gh auth login --with-token <<< "$GH_TOKEN"
+
+      - name: Run composeRelease.sh
+        run: |
+          chmod +x ./composeRelease.sh
+          if [[ -n "$POSTFIX" ]]; then
+            ./composeRelease.sh "$BUMP_COMMAND" "$POSTFIX" || echo "composeRelease.sh failed, continuing to patch manually"
+          else
+            ./composeRelease.sh "$BUMP_COMMAND" || echo "composeRelease.sh failed, continuing to patch manually"
+          fi
+
+      - name: Detect New Version
+        id: version
+        run: |
+          VERSION=$(cat OneSignalExample/Assets/OneSignal/VERSION)
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+          echo "✅ Detected new version: $VERSION"
+
+      - name: 💾 Apply Version Changes and Commit
+        run: |
+          set -e
+          VERSION=${{ env.VERSION }}
+          echo "🔧 Updating version references to $VERSION"
+
+          git fetch origin "release/$VERSION"
+          git checkout "release/$VERSION" || git checkout -b "release/$VERSION"
+
+          # Extract current version for replacement
+          CURRENT=$(grep -Eo '[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?' OneSignalExample/Assets/OneSignal/VERSION | head -n 1)
+          echo "Detected previous version: $CURRENT"
+
+          # 1️⃣ Update OneSignal.cs
+          sed -i '' "s/Version = \".*\";/Version = \"$VERSION\";/" com.onesignal.unity.core/Runtime/OneSignal.cs
+          
+          # 2️⃣ Update OneSignalPlatform.cs header
+          OLD_HEADER=$(printf "%02d%02d%02d" $(echo $CURRENT | tr '.' ' '))
+          NEW_HEADER=$(printf "%02d%02d%02d" $(echo $VERSION | tr '.' ' '))
+          sed -i '' "s/VersionHeader = \".*\";/VersionHeader = \"$NEW_HEADER\";/" com.onesignal.unity.core/Runtime/OneSignalPlatform.cs
+
+          # 3️⃣ Update UIApplication+OneSignalUnity.mm iOS header
+          sed -i '' "s/setSdkVersion:@\".*\"];$/setSdkVersion:@\"$NEW_HEADER\"];/" com.onesignal.unity.ios/Runtime/Plugins/iOS/UIApplication+OneSignalUnity.mm
+
+          # 4️⃣ Update all package.json versions
+          find . -path "*/package.json" -exec sed -i '' "s/\"version\": \".*\"/\"version\": \"$VERSION\"/" {} \;
+          find . -path "*/package.json" -exec sed -i '' "s/\"com.onesignal.unity.core\": \".*\"/\"com.onesignal.unity.core\": \"$VERSION\"/" {} \;
+
+          # 5️⃣ Update packages-lock.json
+          sed -i '' "s/\"com.onesignal.unity.core\": \".*\"/\"com.onesignal.unity.core\": \"$VERSION\"/" OneSignalExample/Packages/packages-lock.json
+
+          # 6️⃣ Update .asmdef version expressions
+          find OneSignalExample/Assets/OneSignal -name "*.asmdef" -exec sed -i '' "s/\"expression\": \".*\"/\"expression\": \"$VERSION\"/" {} \;
+
+          # 7️⃣ Update CHANGELOG.md section
+          CHANGELOG="OneSignalExample/Assets/OneSignal/CHANGELOG.md"
+          if grep -q "\[Unreleased\]" "$CHANGELOG"; then
+            sed -i '' "s/## \[Unreleased\]/## [Unreleased]\n## [$VERSION]/" "$CHANGELOG"
+          fi
+
+          echo "✅ Version updates applied."
+
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+          git add .
+          git commit -m "chore(release): update version files for $VERSION" || echo "No changes to commit"
+          git push origin "release/$VERSION"
+
+      - name: 🔍 Confirm PR Exists
+        run: |
+          PR_URL=$(gh pr list --head "release/$VERSION" --json url --jq '.[0].url')
+          if [[ -n "$PR_URL" ]]; then
+            echo "✅ Release PR found: $PR_URL"
+          else
+            echo "⚠️ No PR found. composeRelease.sh should have created one."
+            echo "If missing, create manually from release/$VERSION → main."
+          fi
diff --git a/OneSignalExample/Assets/OneSignal/Attribution/OneSignal.UnityPackage.Attribution.asmdef b/OneSignalExample/Assets/OneSignal/Attribution/OneSignal.UnityPackage.Attribution.asmdef
index a82956cd8..954c418d9 100644
--- a/OneSignalExample/Assets/OneSignal/Attribution/OneSignal.UnityPackage.Attribution.asmdef
+++ b/OneSignalExample/Assets/OneSignal/Attribution/OneSignal.UnityPackage.Attribution.asmdef
@@ -16,7 +16,7 @@
     "versionDefines": [
         {
             "name": "com.onesignal.unity.core",
-            "expression": "5.1.15",
+            "expression": "5.1.16",
             "define": "ONE_SIGNAL_INSTALLED"
         }
     ],
diff --git a/OneSignalExample/Assets/OneSignal/CHANGELOG.md b/OneSignalExample/Assets/OneSignal/CHANGELOG.md
index 2fd43a785..b3191b18a 100644
--- a/OneSignalExample/Assets/OneSignal/CHANGELOG.md
+++ b/OneSignalExample/Assets/OneSignal/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+## [5.1.16]
 ## [5.1.15]
 ### Changed
 - Updated included Android SDK from 5.1.31 to [5.1.37](https://github.com/OneSignal/OneSignal-Android-SDK/releases/tag/5.1.37)
@@ -483,7 +484,8 @@ If you run into any problems, please don’t hesitate to [open an issue](https:/
   - If you are updating from a previous version of the OneSignal Unity SDK please follow the Unity Asset Store instructions in
       the [README](https://github.com/OneSignal/OneSignal-Unity-SDK/README.md#unity-asset-store) to ensure a smooth transition.
 
-[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.15...HEAD
+[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.16...HEAD
+[5.1.16]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.15...5.1.16
 [5.1.15]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.14...5.1.15
 [5.1.14]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.13...5.1.14
 [5.1.13]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/5.1.12...5.1.13
diff --git a/OneSignalExample/Assets/OneSignal/Editor/OneSignal.UnityPackage.Editor.asmdef b/OneSignalExample/Assets/OneSignal/Editor/OneSignal.UnityPackage.Editor.asmdef
index d90ee149f..e02effcb1 100644
--- a/OneSignalExample/Assets/OneSignal/Editor/OneSignal.UnityPackage.Editor.asmdef
+++ b/OneSignalExample/Assets/OneSignal/Editor/OneSignal.UnityPackage.Editor.asmdef
@@ -16,7 +16,7 @@
     "versionDefines": [
         {
             "name": "com.onesignal.unity.core",
-            "expression": "5.1.15",
+            "expression": "5.1.16",
             "define": "ONE_SIGNAL_INSTALLED"
         }
     ],
diff --git a/OneSignalExample/Assets/OneSignal/Example/OneSignal.UnityPackage.Example.asmdef b/OneSignalExample/Assets/OneSignal/Example/OneSignal.UnityPackage.Example.asmdef
index e99841511..ade4035fe 100644
--- a/OneSignalExample/Assets/OneSignal/Example/OneSignal.UnityPackage.Example.asmdef
+++ b/OneSignalExample/Assets/OneSignal/Example/OneSignal.UnityPackage.Example.asmdef
@@ -18,7 +18,7 @@
     "versionDefines": [
         {
             "name": "com.onesignal.unity.core",
-            "expression": "5.1.15",
+            "expression": "5.1.16",
             "define": "ONE_SIGNAL_INSTALLED"
         }
     ],
diff --git a/OneSignalExample/Assets/OneSignal/VERSION b/OneSignalExample/Assets/OneSignal/VERSION
index 40dc92612..16cf70e74 100755
--- a/OneSignalExample/Assets/OneSignal/VERSION
+++ b/OneSignalExample/Assets/OneSignal/VERSION
@@ -1 +1 @@
-5.1.15
\ No newline at end of file
+5.1.16
\ No newline at end of file
diff --git a/OneSignalExample/Packages/packages-lock.json b/OneSignalExample/Packages/packages-lock.json
index ff60483fa..e347c0672 100644
--- a/OneSignalExample/Packages/packages-lock.json
+++ b/OneSignalExample/Packages/packages-lock.json
@@ -5,7 +5,7 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.onesignal.unity.core": "5.1.15"
+        "com.onesignal.unity.core": "5.1.16"
       }
     },
     "com.onesignal.unity.core": {
@@ -19,11 +19,11 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.onesignal.unity.core": "5.1.15"
+        "com.onesignal.unity.core": "5.1.16"
       }
     },
     "com.unity.ai.navigation": {
-      "version": "1.1.5",
+      "version": "1.1.4",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -45,7 +45,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.ide.rider": {
-      "version": "3.0.35",
+      "version": "3.0.24",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -54,7 +54,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.ide.visualstudio": {
-      "version": "2.0.22",
+      "version": "2.0.18",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -97,7 +97,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.textmeshpro": {
-      "version": "3.0.7",
+      "version": "3.0.6",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -106,7 +106,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.timeline": {
-      "version": "1.7.7",
+      "version": "1.7.5",
       "depth": 0,
       "source": "registry",
       "dependencies": {
diff --git a/OneSignalExample/ProjectSettings/ProjectSettings.asset b/OneSignalExample/ProjectSettings/ProjectSettings.asset
index b79c27ffe..c012614dd 100644
--- a/OneSignalExample/ProjectSettings/ProjectSettings.asset
+++ b/OneSignalExample/ProjectSettings/ProjectSettings.asset
@@ -48,7 +48,6 @@ PlayerSettings:
   defaultScreenHeightWeb: 600
   m_StereoRenderingPath: 0
   m_ActiveColorSpace: 0
-  unsupportedMSAAFallback: 0
   m_SpriteBatchVertexThreshold: 300
   m_MTRendering: 1
   mipStripping: 0
@@ -76,8 +75,6 @@ PlayerSettings:
   androidMinimumWindowWidth: 400
   androidMinimumWindowHeight: 300
   androidFullscreenMode: 1
-  androidAutoRotationBehavior: 1
-  androidPredictiveBackSupport: 0
   defaultIsNativeResolution: 1
   macRetinaSupport: 1
   runInBackground: 1
@@ -85,7 +82,6 @@ PlayerSettings:
   muteOtherAudioSources: 0
   Prepare IOS For Recording: 0
   Force IOS Speakers When Recording: 0
-  audioSpatialExperience: 0
   deferSystemGesturesMode: 0
   hideHomeButton: 0
   submitAnalytics: 1
@@ -139,9 +135,7 @@ PlayerSettings:
   vulkanEnableLateAcquireNextImage: 0
   vulkanEnableCommandBufferRecycling: 1
   loadStoreDebugModeEnabled: 0
-  visionOSBundleVersion: 1.0
-  tvOSBundleVersion: 1.0
-  bundleVersion: 5.1.15
+  bundleVersion: 5.1.16
   preloadedAssets: []
   metroInputSource: 0
   wsaTransparentSwapchain: 0
@@ -153,7 +147,6 @@ PlayerSettings:
   isWsaHolographicRemotingEnabled: 0
   enableFrameTimingStats: 0
   enableOpenGLProfilerGPURecorders: 1
-  allowHDRDisplaySupport: 0
   useHDRDisplay: 0
   hdrBitDepth: 0
   m_ColorGamuts: 00000000
@@ -188,10 +181,8 @@ PlayerSettings:
   strictShaderVariantMatching: 0
   VertexChannelCompressionMask: 4054
   iPhoneSdkVersion: 988
-  iOSSimulatorArchitecture: 0
   iOSTargetOSVersionString: 12.0
   tvOSSdkVersion: 0
-  tvOSSimulatorArchitecture: 0
   tvOSRequireExtendedGameController: 0
   tvOSTargetOSVersionString: 12.0
   VisionOSSdkVersion: 0
@@ -238,7 +229,6 @@ PlayerSettings:
   iOSMetalForceHardShadows: 0
   metalEditorSupport: 1
   metalAPIValidation: 1
-  metalCompileShaderBinary: 0
   iOSRenderExtraFrameOnPause: 0
   iosCopyPluginsCodeInsteadOfSymlink: 0
   appleDeveloperTeamID: 
@@ -523,6 +513,7 @@ PlayerSettings:
   switchScreenResolutionBehavior: 2
   switchUseCPUProfiler: 0
   switchEnableFileSystemTrace: 0
+  switchUseGOLDLinker: 0
   switchLTOSetting: 0
   switchApplicationID: 0x01004b9000490000
   switchNSODependencies: 
@@ -652,7 +643,7 @@ PlayerSettings:
   switchSocketBufferEfficiency: 4
   switchSocketInitializeEnabled: 1
   switchNetworkInterfaceManagerInitializeEnabled: 1
-  switchDisableHTCSPlayerConnection: 0
+  switchPlayerConnectionEnabled: 1
   switchUseNewStyleFilepaths: 0
   switchUseLegacyFmodPriorities: 0
   switchUseMicroSleepForYield: 1
@@ -823,7 +814,6 @@ PlayerSettings:
   metroTileBackgroundColor: {r: 0.13333334, g: 0.17254902, b: 0.21568628, a: 0}
   metroSplashScreenBackgroundColor: {r: 0.12941177, g: 0.17254902, b: 0.21568628, a: 1}
   metroSplashScreenUseBackgroundColor: 0
-  syncCapabilities: 0
   platformCapabilities: {}
   metroTargetDeviceFamilies: {}
   metroFTAName: 
diff --git a/com.onesignal.unity.android/package.json b/com.onesignal.unity.android/package.json
index e92df9e18..b2ae43f2d 100644
--- a/com.onesignal.unity.android/package.json
+++ b/com.onesignal.unity.android/package.json
@@ -1,11 +1,11 @@
 {
   "name": "com.onesignal.unity.android",
   "displayName": "OneSignal Unity SDK - Android",
-  "version": "5.1.15",
+  "version": "5.1.16",
   "unity": "2018.4",
   "description": "OneSignal is the market leader in customer engagement, powering mobile push, web push, email, and in-app messages.",
   "dependencies": {
-    "com.onesignal.unity.core": "5.1.15"
+    "com.onesignal.unity.core": "5.1.16"
   },
   "keywords": [
     "push-notifications",
diff --git a/com.onesignal.unity.core/Runtime/OneSignal.cs b/com.onesignal.unity.core/Runtime/OneSignal.cs
index 60e43c492..a2a35cbe7 100755
--- a/com.onesignal.unity.core/Runtime/OneSignal.cs
+++ b/com.onesignal.unity.core/Runtime/OneSignal.cs
@@ -42,7 +42,7 @@ namespace OneSignalSDK
     /// </summary>
     public static partial class OneSignal
     {
-        public const string Version = "5.1.15";
+        public const string Version = "5.1.16";
 
         /// <summary>
         /// The default static instance of the OneSignal Unity SDK
diff --git a/com.onesignal.unity.core/Runtime/OneSignalPlatform.cs b/com.onesignal.unity.core/Runtime/OneSignalPlatform.cs
index 34d1420f8..fbb21f472 100644
--- a/com.onesignal.unity.core/Runtime/OneSignalPlatform.cs
+++ b/com.onesignal.unity.core/Runtime/OneSignalPlatform.cs
@@ -40,7 +40,7 @@ namespace OneSignalSDK
 {
     public abstract class OneSignalPlatform
     {
-        public const string VersionHeader = "050115";
+        public const string VersionHeader = "050116";
 
         internal static event Action<string> OnInitialize;
 
diff --git a/com.onesignal.unity.core/package.json b/com.onesignal.unity.core/package.json
index 5411e1d92..5f3438609 100644
--- a/com.onesignal.unity.core/package.json
+++ b/com.onesignal.unity.core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "com.onesignal.unity.core",
   "displayName": "OneSignal Unity SDK - Core",
-  "version": "5.1.15",
+  "version": "5.1.16",
   "unity": "2018.4",
   "description": "OneSignal is the market leader in customer engagement, powering mobile push, web push, email, and in-app messages.",
   "dependencies": {
diff --git a/com.onesignal.unity.ios/Runtime/Plugins/iOS/UIApplication+OneSignalUnity.mm b/com.onesignal.unity.ios/Runtime/Plugins/iOS/UIApplication+OneSignalUnity.mm
index 651acf37b..84337fca6 100644
--- a/com.onesignal.unity.ios/Runtime/Plugins/iOS/UIApplication+OneSignalUnity.mm
+++ b/com.onesignal.unity.ios/Runtime/Plugins/iOS/UIApplication+OneSignalUnity.mm
@@ -97,7 +97,7 @@ - (void)setOneSignalUnityDelegate:(id <UIApplicationDelegate>)delegate {
 
 - (BOOL)oneSignalApplication:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     [OneSignalWrapper setSdkType:@"unity"];
-    [OneSignalWrapper setSdkVersion:@"050115"];
+    [OneSignalWrapper setSdkVersion:@"050116"];
     [OneSignal initialize:nil withLaunchOptions:launchOptions];
 
     if ([self respondsToSelector:@selector(oneSignalApplication:didFinishLaunchingWithOptions:)])
diff --git a/com.onesignal.unity.ios/package.json b/com.onesignal.unity.ios/package.json
index b1b1c8a24..a1b08c49b 100644
--- a/com.onesignal.unity.ios/package.json
+++ b/com.onesignal.unity.ios/package.json
@@ -1,11 +1,11 @@
 {
   "name": "com.onesignal.unity.ios",
   "displayName": "OneSignal Unity SDK - iOS",
-  "version": "5.1.15",
+  "version": "5.1.16",
   "unity": "2018.4",
   "description": "OneSignal is the market leader in customer engagement, powering mobile push, web push, email, and in-app messages.",
   "dependencies": {
-    "com.onesignal.unity.core": "5.1.15"
+    "com.onesignal.unity.core": "5.1.16"
   },
   "keywords": [
     "push-notifications",