"who assumed the open source project would stay that way" Well, there's their problem. They shouldn't assume anything they want a 3rd party to do that's not in

"who assumed the open source project would stay that way" Well, there's their problem. They shouldn't assume anything they want a 3rd party to do that's not in the license. Instead, they could offer contributions with a contract that forced the next version to also be open source. The people buying software should assume companies might do anything the license allows. Those supplying software should assume those using it might do anything the license allows. They should change the license and contract to forbid what they don't like or ensure certain protections they do want. This company fixed its license to reduce a risk in the old one.