After Working on it alone for a year, the founder and original developer of Nova Launcher Kevin Barry has stopped working on Nova Launcher and the open sourcing efforts. More Info: https://teslacoilapps.com/nova/solong.html
For people like me who are worried about the data collection of Nova, we can try asking to remove it.
I had no idea it was sold to an analytics company. That's real sad.
Edit: direct link to request removal of novalauncher personal data