The new specifications have been thoroughly revised, restructured and reformatted for clarity. Henry Thompson, the editor of the Structures spec, gets a lot of flack for his highly-structured, checklist style. It is quite likely that there will be an XML Schemas 1.1. I am hopeful. I hope, in future discussions of XML Schemas, we can separate issues related to its features from how those features are used.
Open systems thrive by allowing oraganic plurality.
That's my spin on it, as it looks now, anyway. All my current email accounts should continue to operate.