Many times I was stuck in the bootscreen when TWRP crash, so I make a flashable zip with dual recovery system:
TWRP + CWM, based in MoKee 4.2 recovery sources.
So, now you can use CWM to update/install mods without softbrick risk.
Digging through the Nexus 5 factory image, we found a few key apps you can install to get the new Google Experience Launcher up and running on your device. He...
To turn off button backlight
1. Download SQlite editor (google it)
2. Open Settings storage
3. Open settings.db/system
4. Add new value (+ button)
Save and reboot.
If anyone is interested, this is OGYouTube module