Despite previous promises that they would not, they did something similar to Unity and tried to retroactively change their Open Gaming License to force creators of Dungeons & Dragons derived products to give up ownership of their products unless they pay exorbitant sums.
They also sent the Pinkertons to intimate a guy who got shiped some unreleased Magic the Gathering cards by accident.
I assumed what they ment where that with W10 they would transition from point releases to a rolling release model.
This is common in the Linux world, Arch being the most well known example.