[OS X TeX] TeX Live 2015 and MacTeX-2015

[Richard Koch]

Folks,

Karl Berry released TeX Live 2015 today. The MacTeX web pages
have just been updated:

	http://tug.org/mactex <http://tug.org/mactex>

Recall that the links on this site are multiplexed to various mirror sites,
to avoid overwhelming popular sites. It sometimes takes a day or two
for the mirror sites to get the release (and in that case, a download
will produce the 2014 release). So waiting a couple of days might
be advisable.

Dick Koch

PS: There was an interesting last minute change. Recall that
/usr/texbin is a link which leads (indirectly) to the TeX binaries for the
active TeX distribution. At the Apple Developer Conference WWDC, which
is also running this week, Apple announced that the next version of
OS X —  El Capitan —will not allow users to write to the /usr
directory, even if they have Admin permission. Consequently, it
is necessary for us to change this link. 

On all older systems of OS X, the 2015 versions of MacTeX and 
Basic TeX create two links pointing to the binaries: 

	/usr/texbin
	/Library/TeX/texbin

On El Capitan, only the second link is created.

Currently, GUI apps are configured to look for binaries in /usr/texbin.
These work fine with the new MacTeX-2015 and BasicTeX-2015.
Over the summer, you might like to reconfigure these GUI apps
to use /Library/TeX/texbin. You’ll discover that the apps still work,
even if you switch to an earlier distribution like TeX Live 2012.

When you upgrade to El Capitan in the fall, reconfiguration
will become mandatory. 

The TeX Dist pref pane will work with either link. Indeed
at the moment we know of no other TeX problems with El
Capitan.


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