As of November 2013, Proposals for consideration in Vocabulary and RIM Harmonization are not maintained on this Wiki. Most pages found when searching for Harmonization Proposals are actually created to support individual work groups that participate in Harmonization.
For those interested in actively tracking the harmonization process, it is recommenced that you join the "Harmonization" list server provided by HL7.
There are a couple of categories that track the Harmonization Process. These categories are build "automatically" from the spread sheets that are used to "control" the Harmonization meetings. These include a crude summary of the proposals, and hyper-links to the proposals as they existed on the HL7 Harmonization site prior to the meetings.