- KVO and Bindings support
- bundle support for writing PrefPanes and such.
- support for in-out parameters and variants.
- get DO working properly with proxied classes.
- support for c-structs and c-arrays as arguments and return values.
- investigate feasibility of supporting GNUStep or The Cocotron.
- variable overloading for accessing Cocoa variables from Pike using 
`->symbol() and friends. (in progress)
- ability to refine methods for classes in an easily extended way 
    (complete, see mixins/ for examples.)- Backend running while in  
    NSApplicationMain() (complete)
- automated application bundling (in progress, using Pike.framework in 
    7.7)
- equality functions
