From Fedora Project Wiki
boost gets up to speed
Fedora 18 will include Boost version 1.50. The popular collection of C libraries is updated to the newest available version with each Fedora release.
Dwarf Compressor compacts debug files
Fedora 18 debuginfo has been post-processed by the DWARF compressor tool "dwz" to reduce size of the *.debug files. Developers may run this same program on their binaries.