Re: macOS fullscreen crashes

[Charles A. Roelli]

> Date: Fri, 30 Nov 2018 11:04:58 +0000
> From: Alan Third <address@hidden>
> 
> We still occasionally receive bug reports about crashes on macOS
> 10.12+ caused by macOS turning fullscreen windows into ‘tabbed’
> windows. I’ve also seen it discussed in a few places round the web.
> 
> We currently have a compile‐time check to include code that fixes this
> on 10.12+, and it can be over‐ridden if Emacs is being built on an
> older version of macOS but is expected to run on 10.12+, however it is
> clearly not doing the job.

Do you know why?  It sounds like people are using builds made on an
older macOS without setting MAC_OS_X_VERSION_MIN_REQUIRED and
MAC_OS_X_VERSION_MAX_ALLOWED appropriately.  Maybe we should call out
in NEWS (in branch emacs-26, that is) and/or nextstep/README how
exactly to do this.