whs said:
I am afraid you are right. But if they want to ship at the end of June, they are running out of time. The worst that could happen would be if the early shipments are buggy. The press would make a big deal of that.. Then they may need another Mojave Experiment.
I saw over in Windows 10 News that it looks like July RTM:

Windows 10 reportedly hitting RTM in July - Windows 10 Forums