# NRSDK 1.10.2

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**Download**  [**NRSDKForUnity\_Release\_1.10.2.unitypackage**](https://nreal-public.oss-us-west-1.aliyuncs.com/download/NRSDKForUnityAndroid_1.10.2.20230324/NRSDKForUnity_Release_1.10.2.unitypackage)
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**What’s New:**

* Added Depth Mesh, enhanced contextual awareness
  * This feature is fully tested on the following devices:
    * OnePlus: 7T / 9
    * SONY: Xperia 5iii
    * OPPO: Find X2 / Find x3 Pro
    * HUAWEI: P30 / Mate40Pro
    * LG: VELVET / V50s / G900N / style
    * SAMSUNG: Galaxy Note20Ultra / Galaxy Note20 / Galaxy S21 5G / Galaxy Z Fold3 5G / Galaxy S20 Ultra
  * Save/load mesh: enabled saving mesh via `MeshSave` , loading mesh into the Editor via `LoadObjMeshFile`
* Added API `NRDevice.Subsystem.SetBrightness` to adjust the brightness of the glasses.

**Improvements:**

* HandTracking:
  * Gesture output: Improved accuracy and stability, error detection rate decreased significantly
  * HandTracking algorithm: Operation efficiency optimization, power consumption optimization
  * Greatly improved followability of hand models (for phones that use Qualcomm chips (except 888 and gen1))
* Improved anti-shaking ability and prediction ability of 3 DOF mode.
* (NRSDK Experimental)MultiLayer is compatible with MultiThread Rendering

**Bug Fixes：**

* Fixed Bluetooth permission crashes in Android 12
* Fixed other bugs, and improved stability
