Unicode Version 6.1 was released on 01/31/2012, and now includes 74,617 CJK Unified Ideographs, along with 1,002 CJK Compatibility Ideographs. 732 characters were added, and there are now a staggering 110,116 characters in the standard.
Speaking of staggering, as Unicode grows, it becomes more important to keep track of what character is encoded where, and sometimes it is useful to know when a character was encoded. For this purpose, the DerivedAge.txt datafile is an incredibly useful resource.
In terms of CJK Unified Ideographs and CJK Compatibility Ideographs, I spent part of the morning assembling a single-page PDF file that encapsulates many important details of their history. I hope that readers of this blog find it to be useful.
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