Merge pull request #9 from HISPlayer/release/4.15.0

Release/4.15.0

Author: OskarFreestyle

introduction.md

@@ -51,6 +51,7 @@ For more information and the complete Documentation for all platforms, visit **[
 
 ### Supported Graphics API:
   * Direct3D 11
+  * Direct3D 12
 
 ### Maximum Supported Resolution:
   * 8,192 × 4,320 (8K)

releases.md

@@ -1,5 +1,10 @@
 # HISPlayer Unity Windows SDK Release Notes
 
+### Version 4.15.0
+##### January 21, 2026
+- [**Added**] Windows editor, build and UWP support Direct3D12 Graphics API and Auto Graphics API in Unity6.
+- [**Improvement**] Optimized HISPLAYER_EVENT_PLAYBACK_SEEK_END and EventPlaybackSeekEnd.
+
 ### Version 4.14.5
 ##### January 15, 2026
 - [**Improvement**] Updated param1 of EventVolumeChange to return the correct volume value.

setup-guide.md

@@ -47,9 +47,6 @@ Open the window **Tools > HISPlayer** located in the upper side of the screen >
 <img width="319" alt="image" src="https://github.com/HISPlayer/UnityWindows-SDK/assets/47497948/0f8d483e-2e3a-4d97-8210-35b7741373c5">
 </p>
 
-### Unity 6
-After setting the HISPlayer Setting above, please close and reopen your Unity project to ensure that Unity applys the update.
-
 ### <ins>Universal Windows Platform (UWP) Settings</ins>
 Open the window **Tools > HISPlayer** located in the upper side of the screen > Click on Player Settings Configuration > Select **Build Target to UWP** > Set all the required settings.