v1.6.9 Release log since v1.6.4

1. 支持部分新产品的 DI/DO feature（SimpleView_DI_DO）；
2. 支持不跨路由的（直连或者同一交换机下连接）不同网段配置的相机发现；
3. 增加通过已知相机的IP，直接打开相机（SimpleView_OpenWithIP）；
4. SimpleView_Point3D增加dep2rgb选项；
5. 增加AI Box中SDK支持（X3M_Aarch64）；
6. 修改sample中selectDevice使用多接口并行调用UpdateDeviceList，节省discover时间；

v1.6.2 Release

1. fix multi virtual NIC share same mac_addr can not normal discovery camera;
2. update SimpleView_Point3D for K4 cam;
3. Add depth image preprocessing logic: fill hole;
4. Try to make better performance in trigger/stream_async mode;

Release v1.5.11

1. Fix some bugs;
2. Add some features;
3. Export lib version info, please follow "Compiling the reference Code on ubuntu based platform" in README when compiling on ubuntu.

release v1.5.3

support more features for new devices

release v1.4.7

1. fix some bugs
2. support more features for new devices

v1.4.1

fixed some bugs

v1.3.2

fixed some bugs

v1.3.1

fixed some bugs

v1.1.9

1、support ISP post-treatment mechanism
2、fix bugs for network device

v1.1.4

1. fix bugs for network device
2. optimize for keep-alive
3. add isp API for rgb data
4. add new feature which using to set ntp server for network device