But soon it will be stable and you can use it.In future the official build of CM12.1 will going to release till than you can satisfy your self by downloading and install unofficial CM12.1 in Oneplus 2.Follow below step by step guide to install Cm12.1 Custom Rom in Oneplus 2.
For bugs check the source Link [HERE].
gammerson.com is not responsible, if you damage or brick your device.
Do it at your own risk and follow the instructions properly.
See also:[Guide] How to Unlock Bootloader of Oneplus Two Step by step
#How to Flash CaynogenMod 12.1 in Oneplus 2
1.Download unofficial CM12.1 For Oneplus 2 from the link given below.
2.Then Place the zip file in the internal memory.
3.Then reboot your device into recovery and clear cache and Data.
4.Do backup your Current Rom before flashing any rom in case you face boot loop,or bricked you device so you can restore your Oneplus 2 to previous state.
5. Now tap on Install zip,then select Cm12.1 for oneplus 2 .zip file and flash it.
6.Done! Now reboot your device wait for few minutes as it takes a while in first boot after finishing boot enjoys Cm12.1 on your Oneplus 2.
See also:[Guide]How to Root OnePlus Two and Install custom recovery
#Download unofficial CM12.1 for Oneplus 2 from below link
1.Download Cm12.1 unofficial alpha [5.1.1].zip