How about a compatibility list?

[Christopher Wright]

Nick Sabalausky wrote:
> "Saaa" <empty at needmail.com> wrote in message 
> news:gqjjp3$jrg$1 at digitalmars.com...
>>> Who is going to do the work of reviewing these libraries for 
>>> compatibility?
>> The people :)
>> like in the wine database.
> 
> I would think some of that work could be automated. Of course, setting up 
> the automation could mean a fair bit of work...

You would need an acceptance testing framework. Otherwise you couldn't 
tell whether the project does more than compile.

Granted, for D1 certainly, there have been only few changes that cause 
semantic changes without syntactic changes. But in D2, that is not 
necessarily the case.