Oxygen OS 2.1.2 rolled out for the OnePlus 2 and also the new phone from the OnePlus, the OnePlus X
The Update for OnePlus 2 includes
Improved UX for preview in Camera
Performance improvements on app install and launch
Individual icon customization support
Fixes for RAW format on 3rd party camera apps
Russian & Turkish language support
Lock screen wallpaper support
Security patches
Bug fixes to System Update to improve OTA stability
General bug fixes and performance improvements
OnePlus X new firmware have the following changes
UX bug fixes in the Camera app
Improvement to color offset in HDR mode
Bug fixes to System Update to improve OTA stability
System optimizations in low battery state
General bug fixes and performance improvements
There are few concerns about these updates, OnePlus 2 FV-5 camera users will have to update the application to the latest version to get the RAW support.
OnePlus X users reported some SD card storage issue so OnePlus confirms that they will be rolling out another update soon.
please be assured that we are expediting another update to fix those issues so you get a great experience on your new OPX.
You can read more OnePlus 2 Forum and OnePlus X forum