Release D 2.089.0

[Manu]

On Tue, Nov 5, 2019 at 5:14 PM Manu <turkeyman at gmail.com> wrote:
>
> On Tue, Nov 5, 2019 at 1:20 PM John Chapman via Digitalmars-d-announce
> <digitalmars-d-announce at puremagic.com> wrote:
> >
> > On Tuesday, 5 November 2019 at 19:05:10 UTC, Manu wrote:
> > > Incidentally, in your sample above there, `a` and `b` are not
> > > shared... why not just write: `cas(&a, null, b);` ?? If source
> > > data is not shared, you shouldn't cast to shared.
> >
> > Because casts were needed in 2.088 and earlier and I just updated
> > to 2.089, unaware of the API change. Should I log `null` not
> > working as a bug?
>
> Yes

But I also think you should update your code to not perform the casts.
Can you confirm that the null works when removing the shared casts?