diff --git a/Assets/PatchKit Patcher/Editor/Manifest.cs b/Assets/PatchKit Patcher/Editor/Manifest.cs
index 4f4a5554..fad1dfdf 100644
--- a/Assets/PatchKit Patcher/Editor/Manifest.cs	
+++ b/Assets/PatchKit Patcher/Editor/Manifest.cs	
@@ -23,6 +23,9 @@ public struct Argument
         public string Target;
 
         [JsonProperty(PropertyName = "target_arguments")]
-        public Argument[] Arguments; 
+        public Argument[] Arguments;
+
+        [JsonProperty(PropertyName = "capabilities")]
+        public string[] Capabilities;
     }
 }
\ No newline at end of file
diff --git a/Assets/PatchKit Patcher/Editor/PatcherManifestCreator.cs b/Assets/PatchKit Patcher/Editor/PatcherManifestCreator.cs
index 610382fb..a5323b72 100644
--- a/Assets/PatchKit Patcher/Editor/PatcherManifestCreator.cs	
+++ b/Assets/PatchKit Patcher/Editor/PatcherManifestCreator.cs	
@@ -8,7 +8,32 @@ namespace PatchKit.Unity.Editor
 {
     public static class PatcherManifestCreator
     {
-        private const int ManifestVersion = 3;
+        private const int ManifestVersion = 4;
+
+        private static void SaveTestManifest(Manifest manifest)
+        {
+            string targetLocation = EditorUtility.SaveFilePanel("Choose test manifest location", "", "patcher.manifest", "test");
+
+            File.WriteAllText(targetLocation, JsonConvert.SerializeObject(manifest, Formatting.Indented));
+        }
+
+        [MenuItem("Tools/PatchKit Patcher Internal/Manifest/Windows")]
+        private static void CreateTestManifestWindows()
+        {
+            SaveTestManifest(WindowsManifest("BUILD_PATH"));
+        }
+
+        [MenuItem("Tools/PatchKit Patcher Internal/Manifest/Linux")]
+        private static void CreateTestManifestLinux()
+        {
+            SaveTestManifest(LinuxManifest("BUILD_PATH"));
+        }
+
+        [MenuItem("Tools/PatchKit Patcher Internal/Manifest/Osx")]
+        private static void CreateTestManifestOsx()
+        {
+            SaveTestManifest(OsxManifest("BUILD_PATH"));
+        }
 
         [PostProcessBuild, UsedImplicitly]
         private static void PostProcessBuild(BuildTarget buildTarget, string buildPath)
@@ -45,6 +70,13 @@ private static Manifest.Argument CreateManifestAgument(params string[] args)
             return new Manifest.Argument { Value = args };
         }
 
+        private static string[] Capabilities()
+        {
+            return new []{
+                "pack1_compression_lzma2",
+            };
+        }
+
         private static Manifest LinuxManifest(string buildPath)
         {
             string patcherExe = Path.GetFileName(buildPath);
@@ -58,6 +90,7 @@ private static Manifest LinuxManifest(string buildPath)
 
                 Version = ManifestVersion,
                 Target = "sh",
+                Capabilities = Capabilities(),
                 Arguments = new Manifest.Argument[] {
                     CreateManifestAgument(launchScriptPath),
                     CreateManifestAgument("--exedir={exedir}"),
@@ -79,6 +112,7 @@ private static Manifest WindowsManifest(string buildPath)
 
                 Version = ManifestVersion,
                 Target = "{exedir}/" + targetFile,
+                Capabilities = Capabilities(),
                 Arguments = new Manifest.Argument[] {
                     CreateManifestAgument("--installdir", "{installdir}"),
                     CreateManifestAgument("--lockfile", "{lockfile}"),
@@ -97,6 +131,7 @@ private static Manifest OsxManifest(string buildPath)
 
                 Version = ManifestVersion,
                 Target = "open",
+                Capabilities = Capabilities(),
                 Arguments = new Manifest.Argument[] {
                     CreateManifestAgument("{exedir}/" + targetFile),
                     CreateManifestAgument("--args"),
@@ -108,4 +143,4 @@ private static Manifest OsxManifest(string buildPath)
             };
         }
     }
-}
\ No newline at end of file
+}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14f0fa3c..6a80507c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Handling failures when accessing the file system
 - Attaching "system-info" to Sentry events as tag
 - Support for PK_OFFICIAL define
+- capabilities field in the manifest
 
 ### Changed
 - Linux launch script