> I'm not good (another area where I lack knowledge :(   ) in streams and 
> related. But this would be good
> if a group of experts can work on deciding whether flow should be pushed 
> into squeak.
> In the past I heard (I do not remember quite well) that flow was quite 
> large and really changing a lot of
> stuff in a non-compatible way with a limited transition path.

Modularity, Namespaces and compatibility layers seem like the (only) way 
forward

This approach would also give the structure for compatibility with 
mainstream (and/or other dialects of) Smalltalk.

Probably a lot of work, although most likely worth it in the end.

Aaron