LineageOS is the new Android Custom Build Os. Lineage OS team has uploaded the first few builds of the new custom ROM available online.
According to the official, the builds of Lineage OS will not include Root function ability. But, the users will be able to install root on their device through a separate downloadable zip file.
Cyanogen OS is over now the Lineage OS has over taken. Currently most of the Phone has Cyanogen OS, soon they will need to switch to Lineage OS, to get the latest support since the Cyanogen OS team shut down all services. Don’t Worry Lineage OS Will help