Weak pointers implemented, and new ). The Foreign funcion interface is now complete and working. New interface file format for compatibility with Hugs. No user-visible changes except that you'll have to update any .hi-boot files you have lying around - check out some GHC-generated .hi files for examples. Space leak in the compiler is partially fixed - New API to the RTS (not interesting unless you're an RTS client writer). Many many small bugs fixed.