Internal Microsoft notes reveal new information about "MoBro" (Modern Browser) and a 64-bit only "Enhanced Protected Mode" - Yesterday, I stumbled upon what appears to be presentation notes from an undisclosed "IE readiness meeting" that took place between the IE leads and Eric Lawrence, Product Manager on the IE team, just weeks after the 2011 BUILD conference.
The notes have been online for several months now, though no one seems to have either seen them or taken notice. They do contain mostly well-known IE features, but also at least one unknown feature of IE 10.
The notes are available here, though they are likely to be removed soon.
Mystery of the "Enhanced Protected Mode" (EPP) in IE 10 x64
One feature that struck me immediately is the implementation of a new feature dubbed "Enhanced Protected Mode" (EPP). The note reads: