Thank you! I was looking forward to TomEE-883[1]; while waiting I just downloaded MyFaces 2.1.11 and replaced 2.1.10 JARs with 2.1.11, and it's been working with an older version of TomEE 1.6.0 snapshot (2013-03-27)...running on my development and production servers.
[1] https://issues.apache.org/jira/browse/TOMEE-883
