When is the Win API supported?

[Igor via Digitalmars-d]

On Monday, 25 January 2016 at 02:21:49 UTC, Rikki Cattermole 
wrote:
> On 25/01/16 2:46 PM, Igor wrote:
>> When will the proper Win API be included in D? About how 
>> long(months,
>> years?)? Does it support seamless narrow and wide characters?
>>
>> I am not referring to the defunct win32 support already 
>> included.
>
> You mean the MingW based bindings that is in 2.070?
> https://github.com/D-Programming-Language/druntime/tree/v2.070.0-b2/src/core/sys/windows
>
> The only issue is for -m32 with import libs.

How do I use it? I can't find any docs on it(The D page, at least 
doesn't seem to have anything for windows in phobos except 
charset.