Proposed Draft UTR #50, "Unicode Properties for Vertical Text Layout" has been updated to revision three. For instructions and information about commenting on this UTR, please see: http://www.unicode.org/review/pri207/
* Mongolian and Egyptian Hieroglyphs changed to U.
* Implementation of recent UTC decisions
- Removal of the East Asian Class property
- East Asian Orientation renamed East Asian Vertical Orientation
- New property, Default Vertical Orientation