Linux 2.6.30 is currently in development. The release candidate -rc1 was released the 7 April 2009, closing the merge window.
This page is, obviously, a Work in progress.
Summary:
Prominent features (the cool stuff)
Various core changes
- Scheduler
- Memory management
Wi-Fi
Security
Networking
Tracing
Filesystems
- Ext4
Crypto
DM/MD
Virtualization
Architecture-specific changes
- X86
- ARM
- PPC
- SH
- S390
- Blackfin
- MIPS
- SPARC
- AVR32
Drivers
Storage
- SATA:
- IDE
- SCSI
Graphics
Network
Input
Sound
- Alsa System on Chip
V4L/DVB
USB
- == HWMON ==
Watchdog
RTC
HID
MTD
MFD
Power
Serial
Various
Other sources about 2.6.30 kernel
- Heise Online's Kernel Log
- Linux Weekly news :