Implement:

process environment variables
scheduler updates:
 better quantum handling
 priority boost on sem block
improved kernel debugger support:
 symbol lookups
 stack tracing
kernel slab allocator
Rewrite VFS
VM:
 Allow alteration of region's attributes
 cache layer
 better region creation args (range of virtual addresses, etc)
 reserve regions
 page out (changes to mmap and swapfile)
Block Drivers
Work on Driver system, overall
POSIX
New Booting method
more on the user space libs
Improved bus managers (BeOS style)
Fully relocatable kernel, stage2 relocates

signals
tty layer
Integrate OBFS
Integrate Networking
kernel module loading:
RLD
 lazy binding
 so initialization
 dl_open() and load_addon()
Work on PCI
libRoot
IDE bus manager
use fxsave instead of fsave where appropriate
move more per-cpu stuff to the global cpu[] array
Places in kernel where page fault with ints off happens
Random reboot on heavy fibo usage