diff --git a/hisplayer-api.md b/hisplayer-api.md
index a577196..4ac85f1 100644
--- a/hisplayer-api.md
+++ b/hisplayer-api.md
@@ -39,6 +39,7 @@ The following public APIs are provided by **HISPlayerManager**
      
 * **public enum HISPlayerEvent**: The list of events provided by HISPlayer SDK. The events can be used with the virtual functions in the next section:
     * **HISPLAYER_EVENT_PLAYBACK_READY**
+    * **HISPLAYER_EVENT_VIDEO_SIZE_CHANGE**
     * **HISPLAYER_EVENT_PLAYBACK_PLAY**
     * **HISPLAYER_EVENT_PLAYBACK_PAUSE**
     * **HISPLAYER_EVENT_PLAYBACK_STOP**
@@ -116,7 +117,25 @@ Calling functions such as GetTracks before this event is triggered will provide
     <td>Number of tracks of the playback.</td>
   </tr>
 </table>
- 
+
+#### protected virtual void EventVideoSizeChange(HISPlayerEventInfo eventInfo)
+Override this method to add custom logic when **HISPlayerEvent.HISPLAYER_EVENT_VIDEO_SIZE_CHANGE** is triggered.
+This event occurs whenever the internal video size of the current track changes.
+
+<table>
+  <tr>
+    <th>Name</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>param1</td>
+    <td>Width of the video.</td>
+  </tr>
+   <tr>
+    <td>param2</td>
+    <td>Heigth of the video.</td>
+  </tr>
+</table>
 
 #### protected virtual void EventPlaybackPlay(HISPlayerEventInfo eventInfo)
 Override this method to add custom logic when **HISPlayerEvent.HISPlayer_EVENT_PLAYBACK_PLAY** is triggered.
diff --git a/releases.md b/releases.md
index f054a52..1c321d8 100644
--- a/releases.md
+++ b/releases.md
@@ -1,5 +1,22 @@
 # HISPlayer Unity iOS SDK Release Notes
 
+### Version 4.3.0
+##### August 8, 2024
+- [**Added**] **HISPLAYER_EVENT_VIDEO_SIZE_CHANGE** and **EventVideoSizeChange**.
+    - This event occurs whenever the internal video size of the current track changes
+- [**Added**] New HISPlayer Video Uploader feature. Turn local videos into streaming videos such as HLS or DASH. This videos are going to be stored in our server for you. Please, on the Editor refer to:
+    - [HISPlayer Video Upload documentation](https://hisplayer.github.io/UnityVideoUpload/#/)
+- [**Added**] Custom resources to play 180/360 videos
+    - Packages > HISPlayer SDK > HISPlayer > Resources > Materials > **HISPlayer360Material.mat**
+    - Packages > HISPlayer SDK > HISPlayer > Resources > Materials > **HISPlayer180Material.mat**
+    - Packages > HISPlayer SDK > HISPlayer > Scripts > Shaders > **HISPlayer360Shader.shader**
+    - Packages > HISPlayer SDK > HISPlayer > Scripts > RenderTextures > **HISPlayer360RenderTexture.rendertexture**
+- [**Improvement**] Optimized HISPlayer Settings log messages
+- [**Improvement**] Optimized Event and Error listeners
+- [**Improvement**] Optimized license checking
+- [**Improvement**] Optimized HISPlayer API function commentaries to be more clear
+- [**Improvement**] Optimized runtime log messages
+
 ### Version 3.4.1
 ##### April 23, 2024
 - [**Improvement**] Improvement of software robustness