Re: macOS metal rendering engine in mac port

[Illia Ostapyshyn]

Aaron Jensen <aaronjensen@gmail.com> writes:
> It's infrequent, but I've seen a number of rendering artifacts in 28
> in the last month or so. Typically it is a line of group of lines that
> are painted twice (i.e. in the wrong place). I may see line 33
> duplicated so there is no 34, just two 33 in a row. Scrolling to
> change the position does not fix it. I have to scroll the buggy line
> out of view entirely and scroll it back to get it to be right.
>
> I do not have a repro for this unfortunately.

I can confirm that I have been having this exact issue for quite some
time now. It is very infrequent and mild so I never bothered to report
it.

I also don't have any ideas what's causing it and how to reproduce it,
but M-x redraw-display RET fixes it straight away.