diff --git a/Runtime/Scripts/CameraVideoSource.cs b/Runtime/Scripts/CameraVideoSource.cs
index 05dad0a8..354ee251 100644
--- a/Runtime/Scripts/CameraVideoSource.cs
+++ b/Runtime/Scripts/CameraVideoSource.cs
@@ -51,6 +51,17 @@ public override void Stop()
             ClearRenderTexture();
         }
 
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && _renderTexture != null)
+            {
+                _renderTexture.Release();
+                UnityEngine.Object.Destroy(_renderTexture);
+                _renderTexture = null;
+            }
+            base.Dispose(disposing);
+        }
+
         private void ClearRenderTexture()
         {
             if (_renderTexture)
@@ -71,6 +82,18 @@ protected override bool ReadBuffer()
             {
                 if (_renderTexture == null || _renderTexture.width != GetWidth() || _renderTexture.height != GetHeight())
                 {
+                    // Free previously allocated GPU/native resources before reallocating;
+                    // otherwise the old textures and NativeArray leak on every resolution change.
+                    if (_renderTexture != null)
+                    {
+                        _renderTexture.Release();
+                        UnityEngine.Object.Destroy(_renderTexture);
+                    }
+                    if (_previewTexture != null)
+                        UnityEngine.Object.Destroy(_previewTexture);
+                    if (_captureBuffer.IsCreated)
+                        _captureBuffer.Dispose();
+
                     var targetFormat = Utils.GetSupportedGraphicsFormat(SystemInfo.graphicsDeviceType);
                     var compatibleFormat = SystemInfo.GetCompatibleFormat(targetFormat, FormatUsage.ReadPixels);
                     _textureFormat = GraphicsFormatUtility.GetTextureFormat(compatibleFormat);
diff --git a/Runtime/Scripts/ScreenVideoSource.cs b/Runtime/Scripts/ScreenVideoSource.cs
index 2e3321e0..2dbe2b1e 100644
--- a/Runtime/Scripts/ScreenVideoSource.cs
+++ b/Runtime/Scripts/ScreenVideoSource.cs
@@ -45,6 +45,17 @@ public override void Stop()
             ClearRenderTexture();
         }
 
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && _renderTexture != null)
+            {
+                _renderTexture.Release();
+                UnityEngine.Object.Destroy(_renderTexture);
+                _renderTexture = null;
+            }
+            base.Dispose(disposing);
+        }
+
         private void ClearRenderTexture()
         {
             if (_renderTexture)
@@ -65,6 +76,18 @@ protected override bool ReadBuffer()
             {
                 if (_renderTexture == null || _renderTexture.width != GetWidth() || _renderTexture.height != GetHeight())
                 {
+                    // Free previously allocated GPU/native resources before reallocating;
+                    // otherwise the old textures and NativeArray leak on every resolution change.
+                    if (_renderTexture != null)
+                    {
+                        _renderTexture.Release();
+                        UnityEngine.Object.Destroy(_renderTexture);
+                    }
+                    if (_previewTexture != null)
+                        UnityEngine.Object.Destroy(_previewTexture);
+                    if (_captureBuffer.IsCreated)
+                        _captureBuffer.Dispose();
+
                     var targetFormat = Utils.GetSupportedGraphicsFormat(SystemInfo.graphicsDeviceType);
                     var compatibleFormat = SystemInfo.GetCompatibleFormat(targetFormat, FormatUsage.ReadPixels);
                     _textureFormat = GraphicsFormatUtility.GetTextureFormat(compatibleFormat);
diff --git a/Runtime/Scripts/WebCameraSource.cs b/Runtime/Scripts/WebCameraSource.cs
index b550f632..7a093b2f 100644
--- a/Runtime/Scripts/WebCameraSource.cs
+++ b/Runtime/Scripts/WebCameraSource.cs
@@ -47,6 +47,17 @@ public WebCameraSource(WebCamTexture texture, VideoBufferType bufferType = Video
             Dispose(false);
         }
 
+        protected override void Dispose(bool disposing)
+        {
+            if (_tempTexture != null)
+            {
+                _tempTexture.Release();
+                UnityEngine.Object.Destroy(_tempTexture);
+                _tempTexture = null;
+            }
+            base.Dispose(disposing);
+        }
+
         private Color32[] _readBuffer;
 
         // Read the texture data into a native array asynchronously
@@ -64,7 +75,16 @@ protected override bool ReadBuffer()
                 _previewTexture.width != width ||
                 _previewTexture.height != height)
             {
-                // Required when using Allocator.Persistent
+                // Free previously allocated GPU/native resources before reallocating;
+                // otherwise the old textures and NativeArray leak on every resolution change.
+                if (_previewTexture != null)
+                    UnityEngine.Object.Destroy(_previewTexture);
+                if (_tempTexture != null)
+                {
+                    _tempTexture.Release();
+                    UnityEngine.Object.Destroy(_tempTexture);
+                    _tempTexture = null;
+                }
                 if (_captureBuffer.IsCreated)
                     _captureBuffer.Dispose();
 
diff --git a/Samples~/Meet/Assets/Runtime/MeetManager.cs b/Samples~/Meet/Assets/Runtime/MeetManager.cs
index 8ad1bfee..fed49205 100644
--- a/Samples~/Meet/Assets/Runtime/MeetManager.cs
+++ b/Samples~/Meet/Assets/Runtime/MeetManager.cs
@@ -81,6 +81,14 @@ private void Update()
 
     private void OnDestroy()
     {
+        // Without this, scene change / app quit while connected leaves all tracks,
+        // streams, and their backing GPU/native resources allocated.
+        if (_room != null)
+        {
+            _room.Disconnect();
+            _room = null;
+        }
+        CleanUpAllTracks();
         _webCamTexture?.Stop();
     }