https://www.theregister.co.uk/2018/11/06/microsoft_windows_10_autumnwatch/

The leaves on the trees are turning golden, a chill is in the air, and while the Windows 10 October 2018 Update remains locked in the fireworks tin, there seems to be movement for its sibling, Windows Server 2019.

Windows 10 is late. After a brief appearance at the beginning of October, replete with confident tweets that the Insider team probably regret, the buggy build was hastily pulled and shoved back into the cupboard while Microsoft figured out what had happened.