OpenXPS approved by ECMA
ECMA send out a press release
where they announce that OpenXPS has been formally approved as a standard: ECMA-388
It's good to have this vendor neutral standardization of the XPS specification.
Of course, now we have the interesting situation wher all the software that is installed in the field adheres to the original (Microsoft's) XPS specification. Windows Vista en Windows 7 will not generate OpenXPS, but Microsoft's XPS for the time being (read more about Microsoft's stance here
It is reasonable to assume that OpenXPS will become the defacto standard for XPS over time, but a lot of this depends on the appearance of devices and software that are supporting OpenXPS.
NiXPS has been following the development of OpenXPS closely, and we are working on supporting it in our future products!