Today the LiquidSmooth ROM for the Nexus 6 is right here which is a modified and light weight version of AOSP that provides a damn smooth user experience.
Xda recognized contributor CPA Poke brings you the smooth user experience of LiquidSmooth v4.0 for Nexus 6 users.
This LiquidSmooth ROM for Nexus 6 comes with a custom kernel with hell lot of features.
WARNING:
Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data.
Before proceeding further you may consider backing up your all data.
Please visit the Disclaimer page below to agree with the risks involved and proceed before flashing this ROM to your phone:
ROM Disclaimer link
Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data.
Before proceeding further you may consider backing up your all data.
Please visit the Disclaimer page below to agree with the risks involved and proceed before flashing this ROM to your phone:
ROM Disclaimer link
Installing LiquidSmooth v4.0 on your Nexus 6:
Make sure that you have the TWRP custom recovery installed.Always download the latest nightly.
Then you have to get the LiquidSmooth nightly ROM zip file over here: LiquidSmooth ROM download link
LiquidSmooth Kernel download link (Recovery Flashable)
SuperSU ROOTing package v2.27 by chainfire
Google Apps recovery flashable download link
Consider a full or NANDROID backup of your OLD ROM and data before installing this new ROM.
STEP 1:
Copy the ROM, GApps and SuperuserSU package to your phone internal memory.
STEP 2:
Format System and wipe cache.
STEP 3:
Install the ROM, Gapps and superuser recovery flashable zip packages using the custom recovery.
STEP 4:
After installing the ROM do a Factory Reset/Wipe Data
STEP 5:
Reboot your phone to enjoy the ROOTed LiquidSmooth ROM on your Google Nexus 6 phone.
Visit the below link to see the Kernel features included in the liquidSmooth kernel.
LiquidSmooth kernel features
Source: Xda-Developers