From Fedora Project Wiki

Fedora 17

Unicode support up to 6.0 has been added.

Fedora 16

Unicode support up to 5.2 has been added.

Fedora 15

Unicode support up to 5.2 has been added.

Fedora 14

Unicode support up to 5.1 has been added.


Upstream Unicode standard release dates

From the upstream page http://www.unicode.org/history/publicationdates.html

Version Year Month
6.1.0 2012 January 31
6.0.0 2010 October 11
5.2.0 2009 October 1
5.1.0 2008 April 4
5.0.0 2006 July 14
4.1.0 2005 March 31
4.0.1 2004 March
4.0.0 2003 April
3.2.0 2002 March
3.1.1 2001 August
3.1.0 2001 March
3.0.1 2000 August
3.0.0 1999 September
2.1.9 1999 April
2.1.8 1998 December
2.1.5 1998 August
2.1.2 1998 May
2.0.0 1996 July
1.1.5 1995 July
1.1.0 1993 June
1.0.1 1992 June
1.0.0 1991 October