I found this info on Microsoft's support page explaining Update Rollup A. on that page it is hinting on an update rollup in November (Which might be Update Rollup B). here is the link:
Look under "Known Issues"
Jump to content
|Topic||Stats||Last action by|
|Students and teachers: You may be eligible to get Office for free!||
|Stereoscopic Player 2.3.1||
|Third boob woman: 'I had a third breast implant so I can turn off men'||
|Windows Technical Preview||
Posted 18 October 2013 - 17:41
Interesting, but I think it's too soon, though who knows? With the talk of a minor GDR like update to the OS in Spring 2014 I wouldn't be surprised if they push out another GA rollup before then at the most.