From Fedora Project Wiki
This list might be missing items, and some of the items may incorrect. Tough.
- make i386-pc and i386-efi buildable at the same time
- make booty know how to write configs for it
- make anaconda/booty know how to migrate between various other bootloaders
- grub 0.*
- yaboot ?
- make grubby know how to change config files
- make bootloader installation on various platforms use the same procedure
- make sure all the various disk controllers work correctly
- make sure NX stack is marked correctly on all platforms
- make sure RAID is handled reasonably