Linux kernel version 2.6.34.rc6 released on April 29, 2010.The important changes made can be summarized as :
changes made : In terms of file
1.File added :1083
2.File changed :11070
3.File removed :352
In terms of line of code :
4.Line added :606832
5.Line changed :657944
6.Line removed :277476
Source :http://www.linux.org/