diff --git a/GlitchyEngine/src/Application.bf b/GlitchyEngine/src/Application.bf
index c3b4439..994980e 100644
--- a/GlitchyEngine/src/Application.bf
+++ b/GlitchyEngine/src/Application.bf
@@ -20,13 +20,13 @@ namespace GlitchyEngine
 		private bool _running = true;
 		private bool _isMinimized = false;
 
-		private LayerStack _layerStack;
+		private append LayerStack _layerStack = .() ~ delete:append _;
 
 #if IMGUI
 		private ImGuiLayer _imGuiLayer;
 #endif
 
-		private GameTime _gameTime;
+		private append GameTime _gameTime = .() ~ delete:append _;
 		
 		private IContentManager _contentManager;
 
@@ -56,8 +56,7 @@ namespace GlitchyEngine
 			Log.EngineLogger.Assert(s_Instance == null, "Tried to create a second application.");
 			s_Instance = this;
 
-			_layerStack = new LayerStack();
-			_gameTime = new GameTime(true);
+			_contentManager = InitContentManager();
 
 			WindowDescription windowDesc = .Default;
 			windowDesc.Icon = "Resources/Textures/GlitchyEngineIcon.ico";
@@ -67,8 +66,6 @@ namespace GlitchyEngine
 
 			Input.Init();
 			
-			_contentManager = InitContentManager();
-
 			// TODO: RenderAPI in RenderCommand initialisieren?
 			_rendererApi = new RendererAPI();
 			_rendererApi.Context = _window.Context;
@@ -106,13 +103,12 @@ namespace GlitchyEngine
 			Renderer.Deinit();
 
 			delete _contentManager;
-			
-			delete _layerStack;
+
+			// TODO: Was there a reason, that layerstack gets deleted before _rendererApi and _window but was created before it?
+			//delete _layerStack;
 
 			delete _rendererApi;
 			delete _window;
-			
-			delete _gameTime;
 
 			ScriptEngine.Shutdown();
 		}
diff --git a/GlitchyEngine/src/Content/Asset.bf b/GlitchyEngine/src/Content/Asset.bf
index d7b7bd4..8ac6bf2 100644
--- a/GlitchyEngine/src/Content/Asset.bf
+++ b/GlitchyEngine/src/Content/Asset.bf
@@ -22,7 +22,7 @@ abstract class Asset : RefCounter
 	public StringView Identifier
 	{
 		get => _identifier;
-		internal set => _identifier.Set(value);
+		set => _identifier.Set(value);
 	}
 
 	/// If true the asset is completely loaded. If false it is only partially loaded (if at all).
@@ -40,6 +40,11 @@ abstract class Asset : RefCounter
 			    ((.)new => AssetSerialize, new => AssetDeserialize));
 	}
 
+	protected this()
+	{
+		Content.ManageAsset(this);
+	}
+
 	protected ~this()
 	{
 		// TODO: crash when _contentManager is deleted first...
diff --git a/GlitchyEngine/src/Content/ContentManager.bf b/GlitchyEngine/src/Content/ContentManager.bf
index 361b131..f154776 100644
--- a/GlitchyEngine/src/Content/ContentManager.bf
+++ b/GlitchyEngine/src/Content/ContentManager.bf
@@ -99,7 +99,7 @@ namespace GlitchyEngine.Content
 			var contentManager;
 
 			if (contentManager == null)
-				contentManager = Application.Get().ContentManager;
+				contentManager = Application.Instance.ContentManager;
 
 			Asset asset = contentManager.GetAsset(typeof(T), handle, blocking);
 
@@ -124,7 +124,7 @@ namespace GlitchyEngine.Content
 			var contentManager;
 
 			if (contentManager == null)
-				contentManager = Application.Get().ContentManager;
+				contentManager = Application.Instance.ContentManager;
 
 			return contentManager.ManageAsset(asset);
 		}
diff --git a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11RenderTarget.bf b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11RenderTarget.bf
index a479edb..2986c6e 100644
--- a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11RenderTarget.bf
+++ b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11RenderTarget.bf
@@ -18,7 +18,7 @@ namespace GlitchyEngine.Renderer
 		protected internal ID3D11Texture2D* _nativeTexture ~ _?.Release();
 		protected internal ID3D11RenderTargetView* _nativeRenderTargetView ~ _?.Release();
 
-		private void ReleaseAndNullify()
+		internal void ReleaseAndNullifyD3DObjects()
 		{
 			Debug.Profiler.ProfileResourceFunction!();
 
@@ -29,15 +29,25 @@ namespace GlitchyEngine.Renderer
 			ReleaseRefAndNullify!(_depthStenilTarget);
 		}
 
-		public override void Resize(uint32 width, uint32 height)
+		public override void Resize(uint32 width, uint32 height, Format? newPixelFormat, DepthStencilFormat? newDepthStencilFormat)
 		{
 			Debug.Profiler.ProfileResourceFunction!();
 
-			ReleaseAndNullify();
+			ReleaseAndNullifyD3DObjects();
 
 			_description.Width = width;
 			_description.Height = height;
 
+			if (newPixelFormat != null)
+			{
+				_description.PixelFormat = newPixelFormat.Value;
+			}
+
+			if (newDepthStencilFormat != null)
+			{
+				_description.DepthStencilFormat = newDepthStencilFormat.Value;
+			}
+
 			ApplyChanges();
 		}
 
@@ -45,7 +55,7 @@ namespace GlitchyEngine.Renderer
 		{
 			Debug.Profiler.ProfileResourceFunction!();
 
-			ReleaseAndNullify();
+			ReleaseAndNullifyD3DObjects();
 
 			if(_description.IsSwapchainTarget)
 			{
@@ -123,7 +133,7 @@ namespace GlitchyEngine.Renderer
 
 		protected override TextureViewBinding PlatformGetViewBinding()
 		{
-			return new .(_nativeResourceView, _samplerState.nativeSamplerState);
+			return new .(_nativeResourceView, _samplerState?.nativeSamplerState);
 		}
 
 		protected override void PlatformSneakySwappyTexture(RenderTarget2D otherTexture)
diff --git a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11SwapChain.bf b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11SwapChain.bf
index 110d624..6899bc9 100644
--- a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11SwapChain.bf
+++ b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11SwapChain.bf
@@ -72,14 +72,16 @@ namespace GlitchyEngine.Renderer
 
 			if(nativeSwapChain != null)
 			{
-				//nativeBackBufferTarget.Release();
-				_backBuffer.ReleaseRef();
+				// It's important to not delete the _backBuffer-Object, because we want others to be able to rely on this backbuffer-reference.
+				_backBuffer.ReleaseAndNullifyD3DObjects();
 
 				var resizeResult = nativeSwapChain.ResizeBuffers(backBufferCount, _width, _height, backBufferFormat, .None);
 				if(resizeResult.Failed)
 				{
 					Log.EngineLogger.Error($"Failed to resize swap chain. Message({(int)resizeResult}):{resizeResult}");
 				}
+
+				_backBuffer.Resize(_width, _height, backBufferFormat, _depthStencilFormat);
 			}
 			else
 			{
@@ -108,15 +110,16 @@ namespace GlitchyEngine.Renderer
 				}
 
 				factory.Release();
+
+				RenderTarget2DDescription desc = .(backBufferFormat, _width, _height);
+				desc.DepthStencilFormat = _depthStencilFormat;
+				desc.IsSwapchainTarget = true;
+
+				_backBuffer = new RenderTarget2D(desc);
+				_backBuffer.Identifier = "Backbuffer";
+				_backBuffer.SamplerState = SamplerStateManager.LinearClamp;
 			}
 
-			RenderTarget2DDescription desc = .(backBufferFormat, _width, _height);
-			desc.DepthStencilFormat = _depthStencilFormat;
-			desc.IsSwapchainTarget = true;
-
-			// Todo: perhaps just update the render target
-			_backBuffer = new RenderTarget2D(desc);
-			
 			_backBufferViewport = GlitchyEngine.Renderer.Viewport(0, 0, _width, _height, 0.0f, 1.0f);
 		}
 
diff --git a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11TextureViewBinding.bf b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11TextureViewBinding.bf
index 87c880c..75f7e95 100644
--- a/GlitchyEngine/src/Platform/DX11/Renderer/Dx11TextureViewBinding.bf
+++ b/GlitchyEngine/src/Platform/DX11/Renderer/Dx11TextureViewBinding.bf
@@ -12,7 +12,8 @@ namespace GlitchyEngine.Renderer
 		internal this(ID3D11ShaderResourceView* shaderResourceView, ID3D11SamplerState* samplerState)
 		{
 			_nativeShaderResourceView = shaderResourceView;
-			
+
+			// TODO: What is the 200 check for?
 			if ((uint)(void*)_nativeShaderResourceView != 0 && (uint)(void*)_nativeShaderResourceView < 200)
 			{
 
@@ -23,6 +24,12 @@ namespace GlitchyEngine.Renderer
 			_nativeSamplerState = samplerState;
 			_nativeSamplerState?.AddRef();
 		}
+		
+		protected ~this()
+		{
+			_nativeShaderResourceView?.Release();
+			_nativeSamplerState?.Release();
+		}
 
 		public static override TextureViewBinding CreateDefault() => new .(null, null);
 	}
diff --git a/GlitchyEngine/src/Renderer/RenderTarget.bf b/GlitchyEngine/src/Renderer/RenderTarget.bf
index 10d67a5..8278c21 100644
--- a/GlitchyEngine/src/Renderer/RenderTarget.bf
+++ b/GlitchyEngine/src/Renderer/RenderTarget.bf
@@ -72,7 +72,8 @@ namespace GlitchyEngine.Renderer
 			PlatformApplyChanges();
 		}
 
-		public extern void Resize(uint32 width, uint32 height);
+		/// Resizes the RenderTarget and optionally changes the pixel format.
+		public extern void Resize(uint32 width, uint32 height, Format? newPixelFormat = null, DepthStencilFormat? newDepthStencilFormat = null);
 
 		protected extern void PlatformApplyChanges();
 		
diff --git a/GlitchyEngine/src/Renderer/Renderer.bf b/GlitchyEngine/src/Renderer/Renderer.bf
index 9ac0163..bca216c 100644
--- a/GlitchyEngine/src/Renderer/Renderer.bf
+++ b/GlitchyEngine/src/Renderer/Renderer.bf
@@ -69,7 +69,7 @@ namespace GlitchyEngine.Renderer
 					Target = new RenderTargetGroup(targetDesc);
 					// TODO: there needs to be a proper way to do it
 					Target.[Friend]Identifier = "GBuffer";
-					Content.ManageAsset(Target, null);
+					//Content.ManageAsset(Target, null);
 				}
 
 				_width = width;
diff --git a/GlitchyEngine/src/Renderer/Text/FontRenderer.bf b/GlitchyEngine/src/Renderer/Text/FontRenderer.bf
index ecab908..c01ad7a 100644
--- a/GlitchyEngine/src/Renderer/Text/FontRenderer.bf
+++ b/GlitchyEngine/src/Renderer/Text/FontRenderer.bf
@@ -569,11 +569,13 @@ namespace GlitchyEngine.Renderer.Text
 
 			if (text.Glyphs.Count == 0)
 				return;
+			
+			//Renderer2D.Flush();
 
 			// TODO: this doesn't really work with fallback fonts unless we use the same settings for all fonts
 			float2 unitRange = ((float)text.Font._range) / float2(text.Font._atlas.Width, text.Font._atlas.Height);
 			_msdfMaterial.SetVariable("UnitRange", unitRange);
-			
+
 			List<Texture2D> atlasses = scope .();
 
 			for (PreparedGlyph glyph in text.Glyphs)
diff --git a/GlitchyEngine/src/Scripting/ScriptGlue.bf b/GlitchyEngine/src/Scripting/ScriptGlue.bf
index d2d1283..b1a7c23 100644
--- a/GlitchyEngine/src/Scripting/ScriptGlue.bf
+++ b/GlitchyEngine/src/Scripting/ScriptGlue.bf
@@ -1062,7 +1062,7 @@ static class ScriptGlue
 			using (material = new Material(material, true))
 			{
 				material.Identifier = scope $"(Instance) {material.Identifier}";
-				Content.ManageAsset(material);
+				//Content.ManageAsset(material);
 				spriteRenderer.Material = material.Handle;
 			}
 		}
@@ -1183,7 +1183,7 @@ static class ScriptGlue
 			using (material = new Material(material, true))
 			{
 				material.Identifier = scope $"(Instance) {material.Identifier}";
-				Content.ManageAsset(material);
+				//Content.ManageAsset(material);
 				meshRenderer.Material = material.Handle;
 			}
 		}