Unicode 6.0: Support for Popular Symbols in Asia Mountain View, CA, USA – October 11, 2010 – The newly finalized Unicode Version 6.0 adds 2,088 characters, with over 1,000 new symbols. A long-awaited feature of Unicode 6.0 is the encoding of hundreds of symbols for mobile phones. These emoji characters are in widespread use, especially in Japan, and have become an essential part of text messages