Additionally, the requirement for being able to sell a business friendly license, seems to imply that any community code contributions must now assign copyright

Additionally, the requirement for being able to sell a business friendly license, seems to imply that any community code contributions must now assign copyright of the contribution to the project owner (CLA?). Otherwise, wouldn't you then have features locked to the EUPL version? (presumably...I am not familiar with the EUPL at all though)