They already fixed the create new document bug, at least xy3, the fix is in the current download, though it sounds like the failures are more extensive with xy4.
From: Carl Distefano
To: xywrite@xxxxxxxx
Sent: Saturday, October 24, 2015 1:12 PM
Subject: Re: Keyboard handling etc.
Reply to note from "John Paines" mailto:dmarc-noreply@xxxxxxxx
(Redacted sender "vf200" for DMARC) Sat, 24 Oct 2015 14:51:47 +0000
(UTC)
> Bad news.... It's not possible to create documents in xy3 with
> this vDos version. You get a "file not found" error message
> when executing a "ne" command.
Yes, same here. Also, the session crashes with "DOS MCB list is
corrupt" when I try to issue a DOS command from the CMline.