This is a list of links to every 2.6.x ChangeLog. Changes made to the 2.5.x - 2.6.0 development series can be found in the Linux25Changes page.
Choose a kernel version:
[http://wiki.kernelnewbies.org/Linux_2_6_20 Linux 2.6.20] Released 5 February, 2007 (68 days)
[http://wiki.kernelnewbies.org/Linux_2_6_19 Linux 2.6.19] Released 29 November, 2006 (70 days)
[http://wiki.kernelnewbies.org/Linux_2_6_18 Linux 2.6.18] Released 20 September, 2006 (95 days)
[http://wiki.kernelnewbies.org/Linux_2_6_17 Linux 2.6.17] Released 17 June, 2006 (88 days)
[http://wiki.kernelnewbies.org/Linux_2_6_16 Linux 2.6.16] Released 20 March, 2006 (76 days)
[http://wiki.kernelnewbies.org/Linux_2_6_15 Linux 2.6.15] Released 3 January, 2006 (68 days)
[http://wiki.kernelnewbies.org/Linux_2_6_14 Linux 2.6.14] Released October 27, 2005 (59 days)
[http://wiki.kernelnewbies.org/Linux_2_6_13 Linux 2.6.13] Released August 29, 2005 (73 days)
[http://wiki.kernelnewbies.org/Linux_2_6_12 Linux 2.6.12] Released June 17, 2005 (107 days)
[http://wiki.kernelnewbies.org/Linux_2_6_11 Linux 2.6.11] Released March 2, 2005 (68 days)
[http://wiki.kernelnewbies.org/Linux_2_6_10 Linux 2.6.10] Released December 24, 2004 (66 days)
[http://wiki.kernelnewbies.org/Linux_2_6_9 Linux 2.6.9] Released October 19, 2004 (66 days)
[http://wiki.kernelnewbies.org/Linux_2_6_8 Linux 2.6.8] Released August 14, 2004 (59 days)
[http://wiki.kernelnewbies.org/Linux_2_6_7 Linux 2.6.7] Released June 16, 2004 (37 days)
[http://wiki.kernelnewbies.org/Linux_2_6_6 Linux 2.6.6] Released May 10, 2004 (36 days)
[http://wiki.kernelnewbies.org/Linux_2_6_5 Linux 2.6.5] Released April 4, 2004 (24 days)
[http://wiki.kernelnewbies.org/Linux_2_6_4 Linux 2.6.4] Released March 11, 2004 (22 days)
[http://wiki.kernelnewbies.org/Linux_2_6_3 Linux 2.6.3] Released February 18, 2004 (14 days)
[http://wiki.kernelnewbies.org/Linux_2_6_2 Linux 2.6.2] Released February 4, 2004 (26 days)
[http://wiki.kernelnewbies.org/Linux_2_6_1 Linux 2.6.1] Released January 9, 2004 (22 days)
[http://wiki.kernelnewbies.org/Linux_2_6_0 Linux 2.6.0] Released December 18, 2003