Math library changes / replacement
This is part of the 2.0 planning.
There have been some discussions on the core list about replacing the math parts of the Base library with GMTL. Another system that has been mentioned before that would be interesting to look at is Wild Magic.
The basic question is whether to fully replace the Base math with either (which would break backwards compatibility pretty badly), adapt and absorb one of them, or to write an adapter. An alternative would be to simplify the base math (remove the separation between storage and interface and just adjust things a little.