ROM works well at the moment, i have dirty flash it from a old win10 build, i need a few reboots for getting it completly updated and working...
Only bug phone is that WIFI after power phone off will need to clik wifi anohter time or input password again, maybe is fall of dirty flash rom.
General video of build on other phone:
Lumia 920 running 14291:
Clean flash of stock ffu wp8.1 rom update it to lastest wp8.1 rom abalible...
Unlock bootloader and then install rom with WP Internals allways lastest version avalible