Hi, Thanks for the advance notice.
CuraEngine depends on libArcus, which also links against protobuf, so it's not sufficient to just recompile CuraEngine. I'm going to try a test rebuild of libArcus and CuraEngine with protobuf from experimental to check if it's ready for the transition, but it's important to make sure _both_ packages are updated. Is there a good way to make sure libArcus is rebuilt first? We have a new release in the pipeline anyway, but it needs to be uploaded by a DD. Should I follow your advice and set the minimum version before the upload?
