Call for testing: TeX Collection 2020

Manfred Lotz manfred at
Fri Apr 3 22:09:19 CEST 2020

Hi Dick,

On Fri, 3 Apr 2020 12:49:56 -0700
Richard Koch <richardmoncriefkoch at> wrote:

> Manfred,
> I have completed testing the DVD on the Macintosh.This testing
> revealed two problems with the original MacTeX.iso, and a new version
> is ready for you to download and place on the DVD.
> I installed on
> 	Catalina, macOS 10.15-5 Beta 1
> 	Mohave, macOS 10.14.6
> 	High Sierra, macOS 10.13.6
> 	Sierra, macOS 10.12.6
> I'll explain the problems for everyone else. MacTeX supports the
> three latest versions of macOS, so in 2020 we support Catalina,
> Mohave, High Sierra. However Mojca Miklavec compiles legacy binaries
> for earlier Mac systems, and those binaries are also on the DVD. We
> use the Unix install script on the DVD, so we can support versions of
> macOS as old as 10.6.
> After running the Unix install script, we ask users to install a very
> small TeXDist package which automatically sets up a symbolic link to
> the binaries. This package has to know about the two sets of
> binaries, pointing to one set on High Sierra and above, and the other
> set on Sierra and below. Sadly, the script doing this had a less than
> sign in a spot where it should have had a less than or equal sign, so
> the package failed on Sierra, but no other system. This is now fixed.
> Always test edge cases.
> To do the Unix install, we ask users to copy four lines from a
> document and glue them into Terminal, which runs the commands in a
> shell. The first of these four commands is
> 	bash
> because bash is the default shell on the Mac. We do this because some
> users may have switched to a different shell and the following
> commands might then fail.
> But on Catalina, the default command is zsh, and when the user types
> "bash" the Mac responds with a notice that the default shell has
> changed and an explanation of how to reconfigure for the new shell.
> Users should just ignore this, of course.
> The Unix installer than starts Tk and Apple immediately displays
> another warning: ""DEPRECATION WARNING: The system version of Tk is
> deprecated and may be removed in a future release. Please do not rely
> on it. Set TK_SILENCE_DEPRECATION=1 to suppress this warning." Users
> should also ignore this, of course.
> So we added a paragraph to the install instructions telling Catalina
> users that they will see these warnings and should just ignore them.
> Thanks for putting up with us!

Thanks again for your thorough testing. Tomorrow morning the new image
will have arrived to, including your latest changes which are

(comparing FILES.DVD)

< 2020-04-03 |       7220 | mactex/MacTeX-Install/MacTeX Install Parts
1 and 2.rtf ---
> 2020-03-30 |       6865 | mactex/MacTeX-Install/MacTeX Install Parts
> 1 and 2.rtf
< 2020-04-03 |      76869 | mactex/MacTeX-Install/TeXDist-2020.pkg
> 2020-03-30 |      76813 | mactex/MacTeX-Install/TeXDist-2020.pkg


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