If they aim for making it a CNCF project, it may very well be a simple inbound=outbound licensing (everyone keeps their copyrights). The CNCF gives projects two

If they aim for making it a CNCF project, it may very well be a simple inbound=outbound licensing (everyone keeps their copyrights). The CNCF gives projects two options: DCO or CLA, where the CLA is a very simple formality. It being a foundation and not a for-profit company already makes licensing shenanigans unlikely.