Things that keep D from evolving?

[Kagamin via Digitalmars-d-learn]

On Saturday, 6 February 2016 at 08:07:42 UTC, NX wrote:
> What language semantics prevent precise

Lack of resources. Precise GC needs to know which fields are 
pointers. Somebody must generate that map. AFAIK there was an 
experiment on that.

> fast GC

Fast GC needs to be notified about pointer changes, C won't do 
that and for some reason people don't want to rely on C code not 
changing GC pointers.