I found this in a publicly available bug report:
Oracle Solaris 10 8/11 s10x_u10wos_02 X86With the 8/11 target it seems that Oracle wants to release the update in time before Oracle World 2011, perhaps to have a new Solaris release to talk about in the sessions but it also seem likely that it will support the upcoming SPARC T4 (Yosemite Falls) processor that could be launched at the same time ( Oracles road maps have pointed to the second half of 2011 and Rick Hetherington stated in the recent interview that it was less than 12 month away ).
Copyright(c) 2010, Oracle and/or its affiliates. All rights reserved.
Assembled 22 November 2010
Early Access Build for Evaluation and Test Purposes Only.
NOT SUPPORTED FOR PRODUCTION USE. Not patchable.
Another interesting thing is that in the Oracle roadmap, Solaris 11 was plotted at the same time as the SPARC T4, sometime in the second half of 2011. Could this mean both Solaris 11 and Solaris 10 8/11 will be released at the same time and at Oracle world 2011? Given all the announcement at last Oracle world it would make sense.
Take a look at the slides of John Fowler, Executive Vice President of Systems, page 8 for the roadmap.
This gives some more substance to Fowlers statement that they will continue to produce Solaris 10 updates for some time, the timeframe for the release was probably not very hard to guess but it is interesting that there now seems to be a preliminary name. It looks like next year will be an interesting year for both Solaris and SPARC.
Here is some information on some of the expected content of the update:
Solaris 10 update 10 update