Under construction, please be patient
If the new kernel is released before the previous message has been removed, you can satisfy your curiosity with other new sources such as
LWN list of changes [https://lwn.net/Articles/573272/ part 1], [https://lwn.net/Articles/574222/ part 2], [https://lwn.net/Articles/574965/ part 3]
German language: heise.de Kernel-Log Was 3.13 bringt [http://www.heise.de/open/artikel/Kernel-Log-Was-3-13-bringt-1-Dateisysteme-und-Storage-2062929.html (1): Dateisysteme und Storage], [http://www.heise.de/open/artikel/Kernel-Log-Was-3-13-bringt-2-Netzwerk-2066673.html Netzwerk], [http://www.heise.de/open/artikel/Kernel-Log-Was-3-13-bringt-3-Infrastruktur-2070247.html Infrastruktur ], [http://www.heise.de/open/artikel/Kernel-Log-Was-3-13-bringt-4-Treiber-2074253.html Treiber], [http://www.heise.de/open/artikel/Kernel-Log-Was-3-13-bringt-5-Grafiktreiber-2074557.html Grafiktreiber]
1. Prominent features
1.1.
2. Drivers and architectures
All the driver and architecture-specific changes can be found in the [http://kernelnewbies.org/Linux_3.13-DriversArch Linux_3.13-DriversArch page]
3. Core
4. Memory management
5. Block layer
6. File systems
7. Networking
8. Crypto
9. Virtualization
10. Security
11. Tracing/perf
12. Other news sites that track the changes of this release
LWN [https://lwn.net/Articles/573272/ part 1], [https://lwn.net/Articles/574222/ part 2], [https://lwn.net/Articles/574965/ part 3]