Release D 2.087.0

[Seb]

On Monday, 15 July 2019 at 11:49:31 UTC, Vladimir Panteleev wrote:
> On Monday, 15 July 2019 at 11:33:44 UTC, Mike Franklin wrote:
>> I discussed that briefly on Slack with a couple other 
>> developers.
>>  My understanding is the `rt` is the language implementation 
>> and `core` is the low level library for users.
>>
>> The code in `rt/array` are language implementations.  They are 
>> not to be imported by the user.  They are, however, required 
>> by the language to implement D's built-in arrays, so that is 
>> why they are publicly imported in object.d.
>
> I think that fits core.internal better than rt. Have you 
> considered that during said discussion?

For reference, the discussion was this one: 
http://imgur.com/a/HszdtHd

I'm sorry that I missed it, because Vladimir makes a very good 
point. rt isn't supposed to be available nor importable by the 
user. rt can import core, but core can't import rt.