This is the latest UEFI Development Kit 2010 Specification Release 1 (SR1) that supports UEFI 2.3.1 and the PI1.2 specifications. The UDK2010.SR1 Release is now available at http://www.tianocore.org. Many of the capabilities discussed earlier in the blog, including netboot6 and secure boot, are available in the Networking Package (NetworkPkg) and Security Package (SecurityPkg), respectively.