Can we enable -preview=rvaluereference now?

[cc]

On Tuesday, 13 August 2024 at 04:23:15 UTC, Manu wrote:
> So this preview has been available for more than 5 years.
> Andrei did a keynote on it, and that seemed generally well 
> received (if not
> a little tepid, because not so many people care about this).
> All the code I've written in the last 5 years doesn't work 
> without this.
> I have exercised this pretty extensively in whatever flavour of 
> code it is
> that I tend to write, and never had any problem. It works like 
> it's meant
> to.
> I would severely struggle to return to a D without it.
>
> Can we un-preview this now?

Where can I find the spec/explanation/DIP for 
-preview=rvaluereference?
Is it different from 
https://github.com/dlang/DIPs/blob/master/DIPs/rejected/DIP1016.md ?