The 2.6.29 is not released yet.
2.6.29-rc1 has been released though, closing the merge window.
- AP Support for some wifi drivers
- Wimax support
1. Other sources about 2.6.29 kernel
- Heise Online's Kernel Log: What's new in 2.6.2 :
[http://linux-foundation.org/weblogs/lwf/2009/01/11/looking-forward-to-2629/ Looking forward to 2.6.29] (Linux Weather Forcast)