Phobos differences?

[Wiktor Żurawik via D.gnu]

On Friday, 23 October 2015 at 18:30:55 UTC, Iain Buclaw wrote:
> It's phobos as seen in 2.066.  There should really be older 
> versions of documentation on the dlang site for people to 
> reference.

I was about to post regarding some discrepancies in GDC's 
std.algorithm module. For example, the each template is also 
missing.

So, it may be tricky for someone to jump right into GDC without 
knowing about those differences. Some kind of reference of this 
would certainly be handy.