An new version of UTR #45, U-Source Ideographs has been published.
http://www.unicode.org/reports/tr45/tr45-5.html This version corrects the syntax of U-source identifiers to match ISO/IEC 10646 data files. It also introduces a new syntax with "UCI" labels to identify U-sources for unified ideographs which have been "orphaned" of their original sources.
