News Version 2.1.0

That is a major release with follow updates:

- Auto and manual video rotation is supported
- There is an option to select "Default Microphone" for audio source
- FullHD resolution for H264 encoder could be enabled in config file (Set EnableH264ResolutionsRestriction to False)
- Dynamic assigning of free RTSP port (config file can restore old behavior by setting DynamicallyAssignRtspPort to False)