diff --git a/Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp b/Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp
index dd05e0bec..2ccf41aba 100644
--- a/Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp
+++ b/Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp
@@ -229,8 +229,6 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
 
     // TODO: sign binaries
 
-    // TODO: expose event to inject custom post-processing before app packaging (eg. third-party plugins)
-    
     // Package application
     const auto buildSettings = BuildSettings::Get();
     if (buildSettings->SkipPackaging)
diff --git a/Source/Engine/Platform/Android/AndroidWindow.h b/Source/Engine/Platform/Android/AndroidWindow.h
index 7fca1111d..367c9b16e 100644
--- a/Source/Engine/Platform/Android/AndroidWindow.h
+++ b/Source/Engine/Platform/Android/AndroidWindow.h
@@ -23,7 +23,7 @@ public:
 
 public:
 
-    // [Window]
+    // [WindowBase]
     void* GetNativePtr() const override;
     void Show() override;
     void Hide() override;
diff --git a/Source/Engine/Platform/Apple/ApplePlatform.cpp b/Source/Engine/Platform/Apple/ApplePlatform.cpp
index 4d12fcf80..4ad126ecb 100644
--- a/Source/Engine/Platform/Apple/ApplePlatform.cpp
+++ b/Source/Engine/Platform/Apple/ApplePlatform.cpp
@@ -46,6 +46,7 @@
 CPUInfo Cpu;
 String UserLocale;
 double SecondsPerCycle;
+NSAutoreleasePool* AutoreleasePool = nullptr;
 
 float ApplePlatform::ScreenScale = 1.0f;
 
@@ -268,11 +269,16 @@ bool ApplePlatform::Init()
         OnPlatformUserAdd(New<User>(username));
     }
 
+    AutoreleasePool = [[NSAutoreleasePool alloc] init];
+
     return false;
 }
 
 void ApplePlatform::Tick()
 {
+    // TODO: do it once every X fames
+    [AutoreleasePool drain];
+    AutoreleasePool = [[NSAutoreleasePool alloc] init];
 }
 
 void ApplePlatform::BeforeExit()
diff --git a/Source/Engine/Platform/GDK/GDKWindow.h b/Source/Engine/Platform/GDK/GDKWindow.h
index 9856559de..e091f5f04 100644
--- a/Source/Engine/Platform/GDK/GDKWindow.h
+++ b/Source/Engine/Platform/GDK/GDKWindow.h
@@ -17,7 +17,6 @@ class FLAXENGINE_API GDKWindow : public WindowBase
 private:
 
     Windows::HWND _handle;
-    Float2 _clientSize;
 
 public:
 
@@ -77,7 +76,7 @@ private:
 
 public:
 
-    // [Window]
+    // [WindowBase]
     void* GetNativePtr() const override;
     void Show() override;
     void Hide() override;
diff --git a/Source/Engine/Platform/Linux/LinuxWindow.h b/Source/Engine/Platform/Linux/LinuxWindow.h
index f1a6ee587..52c039f6f 100644
--- a/Source/Engine/Platform/Linux/LinuxWindow.h
+++ b/Source/Engine/Platform/Linux/LinuxWindow.h
@@ -65,7 +65,7 @@ private:
 
 public:
 
-	// [Window]
+	// [WindowBase]
 	void* GetNativePtr() const override;
 	void Show() override;
 	void Hide() override;
diff --git a/Source/Engine/Platform/Mac/MacWindow.h b/Source/Engine/Platform/Mac/MacWindow.h
index 2a554163c..8850f80ba 100644
--- a/Source/Engine/Platform/Mac/MacWindow.h
+++ b/Source/Engine/Platform/Mac/MacWindow.h
@@ -14,7 +14,6 @@ class FLAXENGINE_API MacWindow : public WindowBase
 {
 private:
 
-    Float2 _clientSize;
     void* _window;
     bool _isMouseOver = false;
 
@@ -28,7 +27,7 @@ public:
 
 public:
 
-	// [Window]
+	// [WindowBase]
     void* GetNativePtr() const override;
     void Show() override;
     void Hide() override;
diff --git a/Source/Engine/Platform/UWP/UWPWindow.h b/Source/Engine/Platform/UWP/UWPWindow.h
index 8e4a62bb8..1d89cdd00 100644
--- a/Source/Engine/Platform/UWP/UWPWindow.h
+++ b/Source/Engine/Platform/UWP/UWPWindow.h
@@ -150,7 +150,7 @@ private:
 
 public:
 
-    // [Window]
+    // [WindowBase]
     void* GetNativePtr() const override
     {
         return _impl->GetHandle();
diff --git a/Source/Engine/Platform/Windows/WindowsWindow.h b/Source/Engine/Platform/Windows/WindowsWindow.h
index d99cfcb15..74e923f86 100644
--- a/Source/Engine/Platform/Windows/WindowsWindow.h
+++ b/Source/Engine/Platform/Windows/WindowsWindow.h
@@ -30,7 +30,6 @@ private:
     bool _clipCursorSet = false;
     bool _isDuringMaximize = false;
     Windows::HANDLE _monitor = nullptr;
-    Float2 _clientSize;
     Windows::LONG _clipCursorRect[4];
     int32 _regionWidth = 0, _regionHeight = 0;
 
@@ -95,7 +94,7 @@ private:
 
 public:
 
-    // [Window]
+    // [WindowBase]
     void* GetNativePtr() const override;
     void Show() override;
     void Hide() override;