It was back at the beginning of June:

  http://www.zsh.org/mla/users/2019/msg00144.html

-Ross


On Sun, Jun 30, 2019 at 4:56 AM Bart Schaefer <schaefer@brasslantern.com>
wrote:

> On Sat, Jun 29, 2019 at 5:09 PM Ross Combs <rcombs@gmail.com> wrote:
> >
> > This appears to be due to zsh emitting a ^[[J before printing the prompt.
> > I don't know why it does this.  Does zsh sometimes write to parts of the
> > screen below the current line?
>
> Yes, ZLE uses the screen below the current line for things like
> completion listings and messages.
>
> > [apologies for the broken message id chain -- I'm not subscribed to this
> > list so I had to hand-craft this response]
>
> I've never seen the original messages from Grant.  Rejected after list
> forwarding because of sender domain SPF policy?
>