[New post] TeX Live 2020 released

There and back again <[email protected]> Fri, 10 Apr 2020 12:38:43 +0000
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Post       : TeX Live 2020 released
URL        : https://www.preining.info/blog/2020/04/tex-live-2020-released/
Posted     : April 10, 2020 at 9:38 pm
Author     : Norbert Preining
Categories : Uncategorized

Get the Champagne readye, we have released the final images of TeX Live 2020 ( https://www.tug.org/texlive/ ) .
https://www.preining.info/blog/wp-content/uploads/2020/03/texlive2020.jpg

Due to COVID-19, DVD production will be delayed, but we have decided to release the current image and update the net installer. The .iso image is available on CTAN ( https://ctan.org/tex-archive/systems/texlive/Images ) , and the net installer ( https://ctan.org/tex-archive/systems/texlive/tlnet )  will pull all the newest stuff. Currently we are working on getting those packages updated during the freeze to the newest level in TeX Live.

Before providing the full list of changes, here a few things I would like to pick out:

* LuaHBTeX: lualatex is now based on LuaHBTeX, meaning that one can use the HarfBuzz ( https://www.freedesktop.org/wiki/Software/HarfBuzz/ )  renderer which in particular for complicated scripts (Tibetan, Bengali, ...) works better than the Lua-based renderer. Note that luatex itself remains normal LuaTeX, only the luaLAtex one uses LuaHBTeX.
* Versioned containers: this is a change under the hood we have been working on slowly over the last half year. Many distributions had problems with the changing content of our package containers (foobar.tar.xz while the name never changed. We have now changed all the infrastructure and TeX Live Manager to work with versioned containers foobar.rNNNNN.tar.xz. This should help quite some distributors!
* Haranoaji (原ノ味) ( https://github.com/trueroad/HaranoAjiFonts ) : the default font for Japanese text was for long time the IPAex fonts, one of the few free fonts available. With 2020 we have switched to Haranoaji font family, which provides better support for JIS90/04 charsets, and more weights.

Most of the above features have been available already either via tlpretest or via regular updates, but are now fully released on the DVD version.

Thanks goes to all the developers, builders, the great CTAN team, and everyone who has contributed to this release!

Finally, here are the changes as listed in the master TeX Live documentation ( http://tug.org/texlive/doc/texlive-en/texlive-en.html#news ) :

General:

* The \input primitive in all TeX engines, including tex, now also accepts a group-delimited filename argument, as a system-dependent extension. The usage with a standard space/token-delimited filename is completely unchanged. The group-delimited argument was previously implemented in LuaTeX; now it is available in all engines. ASCII double quote characters (") are removed from the filename, but it is otherwise left unchanged after tokenization. This does not currently affect LaTeX’s \input command, as that is a macro redefinition of the standard \input primitive.
* New option –cnf-line for kpsewhich, tex, mf, and all other engines, to support arbitrary configuration settings on the command line.
* The addition of various primitives to various engines in this and previous years is intended to result in a common set of functionality available across all engines (LaTeX News #31 ( https://latex-project.org/news ) ).

epTeX, eupTeX: New primitives \Uchar, \Ucharcat, \current(x)spacingmode, \ifincsname; revise \fontchar?? and \iffontchar. For eupTeX only: \currentcjktoken.

LuaTeX: Integration with HarfBuzz library, available as new engines luahbtex (used for lualatex) and luajithbtex. New primitives: \eTeXgluestretchorder, \eTeXglueshrinkorder.

pdfTeX: New primitive \pdfmajorversion; this merely changes the version number in the PDF output; it has no effect on any PDF content. \pdfximage and similar now search for image files in the same way as \openin.

pTeX: New primitives \ifjfont, \iftfont. Also in epTeX, upTeX, eupTeX.

XeTeX: Fixes for \Umathchardef, \XeTeXinterchartoks, \pdfsavepos.

Dvips: Output encodings for bitmap fonts, for better copy/paste capabilities (https://tug.org/TUGboat/tb40-2/tb125rokicki-type3search.pdf).

MacTeX: MacTeX and x86_64-darwin now require 10.13 or higher (High Sierra, Mojave, and Catalina); x86_64-darwinlegacy supports 10.6 and newer. MacTeX is notarized and command line programs have hardened runtimes, as now required by Apple for install packages. BibDesk and TeX Live Utility are not in MacTeX because they are not notarized, but a README file lists urls where they can be obtained.

tlmgr and infrastructure:

* Automatically retry (once) packages that fail to download.
* New option tlmgr check texmfdbs, to to check consistency of ls-R files and !! specifications for each tree.
* Use versioned filenames for the package containers, as in tlnet/archive/pkgname.rNNN.tar.xz; should be invisible to users, but a notable change in distribution.
* catalogue-date information no longer propagated from the TeX Catalogue, since it was often unrelated to package updates.

That's all, let the fun begin! And again, thanks to all the developers, builders, the great CTAN team, and everyone who has contributed to this release!

Add a comment to this post: https://www.preining.info/blog/2020/04/tex-live-2020-released/#respond

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yle=3D"display:none !important">=0A=09=09=09=09Norbert Preining posted: "Ge=
t the Champagne readye, we have released the final images of TeX Live 2020.=
=20


Due to COVID-19, DVD production will be delayed, but we have decided to rel=
ease the current image and update the net installer. The .iso image is avai=
lable on CTAN, and th"=09=09=09</span>=0A=09=09=09=09=09=09<table border=3D=
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er=3D"0" cellspacing=3D"0" cellpadding=3D"0"><tr><td style=3D"width: 60px !=
important; white-space: nowrap; vertical-align: top;">=0A=09=09=09=09=09=09=
=09=09=09=09=09=09=09=09=09=09=09=09=09=09<a href=3D"https://www.preining.i=
nfo/blog/?author=3D2" style=3D"text-decoration: underline; color: #2585B2; =
display: block; margin-right: 10px;"><img border=3D"0" alt=3D"" src=3D"http=
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=0A=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09</td>=0A=09=09=
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argin: 0; font-size: 20px;"><a href=3D"https://www.preining.info/blog/2020/=
04/tex-live-2020-released/" style=3D"text-decoration: underline; color: #25=
85B2; text-decoration: none !important;">TeX Live 2020 released</a></h2>=0A=
=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09<span style=3D"=
color: #888;">by <a href=3D"https://www.preining.info/blog/?author=3D2" sty=
le=3D"text-decoration: underline; color: #2585B2; color: #888 !important;">=
Norbert Preining</a> </span>=0A=09=09=09=09=09=09=09=09=09=09=09=09=09=09=
=09=09=09=09=09</td>=0A=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=
=09</tr></table><div class=3D"post-content" style=3D"direction: ltr; margin=
-top: 1em; max-width: 560px;">=0A=09=09=09=09=09=09=09=09=09=09=09=09=09=09=
=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09<p style=3D'=
direction: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-fami=
ly: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>Get t=
he Champagne readye, we have released the final images of <a style=3D"text-=
decoration: underline; color: #2585B2;" href=3D"https://www.tug.org/texlive=
/">TeX Live 2020</a>.<br><img border=3D"0" data-attachment-id=3D"10979" dat=
a-permalink=3D"https://www.preining.info/blog/2020/04/tex-live-2020-release=
d/texlive2020/" data-orig-file=3D"https://www.preining.info/blog/wp-content=
/uploads/2020/03/texlive2020.jpg" data-orig-size=3D"860,451" data-comments-=
opened=3D"1" data-image-meta=3D'{"aperture":"0","credit":"","camera":"","ca=
ption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"=
0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title=3D"t=
exlive2020" data-image-description=3D"" data-medium-file=3D"https://www.pre=
ining.info/blog/wp-content/uploads/2020/03/texlive2020.jpg?w=3D300" data-la=
rge-file=3D"https://www.preining.info/blog/wp-content/uploads/2020/03/texli=
ve2020.jpg?w=3D640" src=3D"https://www.preining.info/blog/wp-content/upload=
s/2020/03/texlive2020.jpg" alt=3D"" class=3D" size-full wp-image-10979" sty=
le=3D"max-width: 100%; height: auto; margin-bottom: 12px; clear: both; disp=
lay: block; margin: 0 auto; padding: 4px; background-color: white; border: =
1px solid #ccc"></p>=0A<p style=3D'direction: ltr; font-size: 14px; line-he=
ight: 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica, Arial, =
sans-serif; margin: 0 0 1em;'>Due to COVID-19, DVD production will be delay=
ed, but we have decided to release the current image and update the net ins=
taller. The .iso image is available on <a style=3D"text-decoration: underli=
ne; color: #2585B2;" href=3D"https://ctan.org/tex-archive/systems/texlive/I=
mages">CTAN</a>, and the <a style=3D"text-decoration: underline; color: #25=
85B2;" href=3D"https://ctan.org/tex-archive/systems/texlive/tlnet">net inst=
aller</a> will pull all the newest stuff. Currently we are working on getti=
ng those packages updated during the freeze to the newest level in TeX Live=
.</p>=0A<p style=3D'direction: ltr; font-size: 14px; line-height: 1.4em; co=
lor: #444; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; mar=
gin: 0 0 1em;'>Before providing the full list of changes, here a few things=
 I would like to pick out:</p>=0A<ul style=3D'margin: 0 0 1em 1em; padding:=
 0; font-size: 14px; line-height: 1.4em; color: #444; font-family: "Helveti=
ca Neue", Helvetica, Arial, sans-serif;'><li style=3D'line-height: 1.6; mar=
gin-left: 1em; font-size: 14px; line-height: 1.4em; color: #444; font-famil=
y: "Helvetica Neue", Helvetica, Arial, sans-serif;'>LuaHBTeX: <code>lualate=
x</code> is now based on LuaHBTeX, meaning that one can use the <a style=3D=
"text-decoration: underline; color: #2585B2;" href=3D"https://www.freedeskt=
op.org/wiki/Software/HarfBuzz/">HarfBuzz</a> renderer which in particular f=
or complicated scripts (Tibetan, Bengali, ...) works better than the Lua-ba=
sed renderer. Note that <code>luatex</code> itself remains normal LuaTeX, o=
nly the luaLAtex one uses LuaHBTeX.</li>=0A<li style=3D'line-height: 1.6; m=
argin-left: 1em; font-size: 14px; line-height: 1.4em; color: #444; font-fam=
ily: "Helvetica Neue", Helvetica, Arial, sans-serif;'>Versioned containers:=
 this is a change under the hood we have been working on slowly over the la=
st half year. Many distributions had problems with the changing content of =
our package containers (<code>foobar.tar.xz</code> while the name never cha=
nged. We have now changed all the infrastructure and TeX Live Manager to wo=
rk with versioned containers <code>foobar.rNNNNN.tar.xz</code>. This should=
 help quite some distributors!</li>=0A<li style=3D'line-height: 1.6; margin=
-left: 1em; font-size: 14px; line-height: 1.4em; color: #444; font-family: =
"Helvetica Neue", Helvetica, Arial, sans-serif;'><a style=3D"text-decoratio=
n: underline; color: #2585B2;" href=3D"https://github.com/trueroad/HaranoAj=
iFonts">Haranoaji (=E5=8E=9F=E3=83=8E=E5=91=B3)</a>: the default font for J=
apanese text was for long time the IPAex fonts, one of the few free fonts a=
vailable. With 2020 we have switched to Haranoaji font family, which provid=
es better support for JIS90/04 charsets, and more weights.</li>=0A</ul><p s=
tyle=3D'direction: ltr; font-size: 14px; line-height: 1.4em; color: #444; f=
ont-family: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em=
;'>Most of the above features have been available already either via tlpret=
est or via regular updates, but are now fully released on the DVD version.<=
/p>=0A<p style=3D'direction: ltr; font-size: 14px; line-height: 1.4em; colo=
r: #444; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; margi=
n: 0 0 1em;'>Thanks goes to all the developers, builders, the great CTAN te=
am, and everyone who has contributed to this release!</p>=0A<p style=3D'dir=
ection: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-family:=
 "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>Finally,=
 here are the changes as listed in the <a style=3D"text-decoration: underli=
ne; color: #2585B2;" href=3D"http://tug.org/texlive/doc/texlive-en/texlive-=
en.html#news">master TeX Live documentation</a>:</p>=0A<p style=3D'directio=
n: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-family: "Hel=
vetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>General:</p>=
=0A<ul style=3D'margin: 0 0 1em 1em; padding: 0; font-size: 14px; line-heig=
ht: 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica, Arial, sa=
ns-serif;'><li style=3D'line-height: 1.6; margin-left: 1em; font-size: 14px=
; line-height: 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica=
, Arial, sans-serif;'>The <code>\input</code> primitive in all TeX engines,=
 including <code>tex</code>, now also accepts a group-delimited =EF=AC=
=81lename argument, as a system-dependent extension. The usage with a stand=
ard space/token-delimited =EF=AC=81lename is completely unchanged. The grou=
p-delimited argument was previously implemented in LuaTeX; now it is availa=
ble in all engines. ASCII double quote characters (") are removed from the =
=EF=AC=81lename, but it is otherwise left unchanged after tokenization. Thi=
s does not currently a=EF=AC=80ect LaTeX=E2=80=99s <code>\input</code> comm=
and, as that is a macro rede=EF=AC=81nition of the standard <code>\input</c=
ode> primitive.</li>=0A<li style=3D'line-height: 1.6; margin-left: 1em; fon=
t-size: 14px; line-height: 1.4em; color: #444; font-family: "Helvetica Neue=
", Helvetica, Arial, sans-serif;'>New option <code>=E2=80=93cnf-line</code>=
 for <code>kpsewhich</code>, <code>tex</code>, <code>mf</code>, and all oth=
er engines, to support arbitrary con=EF=AC=81guration settings on the comma=
nd line.</li>=0A<li style=3D'line-height: 1.6; margin-left: 1em; font-size:=
 14px; line-height: 1.4em; color: #444; font-family: "Helvetica Neue", Helv=
etica, Arial, sans-serif;'>The addition of various primitives to various en=
gines in this and previous years is intended to result in a common set of f=
unctionality available across all engines (<a style=3D"text-decoration: und=
erline; color: #2585B2;" href=3D"https://latex-project.org/news">LaTeX News=
 #31</a>).</li>=0A</ul><p style=3D'direction: ltr; font-size: 14px; line-he=
ight: 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica, Arial, =
sans-serif; margin: 0 0 1em;'>=0AepTeX, eupTeX: New primitives <code>\Uchar=
</code>, <code>\Ucharcat</code>, <code>\current(x)spacingmode</code>, <code=
>\ifincsname</code>; revise <code>\fontchar??</code> and <code>\iffontchar<=
/code>. For eupTeX only: <code>\currentcjktoken</code>.</p>=0A<p style=3D'd=
irection: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-famil=
y: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>=0ALua=
TeX: Integration with HarfBuzz library, available as new engines <code>luah=
btex</code> (used for <code>lualatex</code>) and <code>luajithbtex</code>. =
New primitives: <code>\eTeXgluestretchorder</code>, <code>\eTeXglueshrinkor=
der</code>.</p>=0A<p style=3D'direction: ltr; font-size: 14px; line-height:=
 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica, Arial, sans-=
serif; margin: 0 0 1em;'>=0ApdfTeX: New primitive <code>\pdfmajorversion</c=
ode>; this merely changes the version number in the PDF output; it has no e=
=EF=AC=80ect on any PDF content. <code>\pdfximage</code> and similar now se=
arch for image =EF=AC=81les in the same way as <code>\openin</code>.</p>=0A=
<p style=3D'direction: ltr; font-size: 14px; line-height: 1.4em; color: #44=
4; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0=
 1em;'>=0ApTeX: New primitives <code>\ifjfont</code>, <code>\iftfont</code>=
. Also in epTeX, upTeX, eupTeX.</p>=0A<p style=3D'direction: ltr; font-size=
: 14px; line-height: 1.4em; color: #444; font-family: "Helvetica Neue", Hel=
vetica, Arial, sans-serif; margin: 0 0 1em;'>=0AXeTeX: Fixes for <code>\Uma=
thchardef</code>, <code>\XeTeXinterchartoks</code>, <code>\pdfsavepos</code=
>.</p>=0A<p style=3D'direction: ltr; font-size: 14px; line-height: 1.4em; c=
olor: #444; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; ma=
rgin: 0 0 1em;'>=0ADvips: Output encodings for bitmap fonts, for better cop=
y/paste capabilities (<a style=3D"text-decoration: underline; color: #2585B=
2;" href=3D"https://tug.org/TUGboat/tb40-2/tb125rokicki-type3search.pdf">ht=
tps://tug.org/TUGboat/tb40-2/tb125rokicki-type3search.pdf</a>).</p>=0A<p st=
yle=3D'direction: ltr; font-size: 14px; line-height: 1.4em; color: #444; fo=
nt-family: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;=
'>=0AMacTeX: MacTeX and <code>x86_64-darwin</code> now require 10.13 or hig=
her (High Sierra, Mojave, and Catalina); <code>x86_64-darwinlegacy</code> s=
upports 10.6 and newer. MacTeX is notarized and command line programs have =
hardened runtimes, as now required by Apple for install packages. BibDesk a=
nd TeX Live Utility are not in MacTeX because they are not notarized, but a=
 README =EF=AC=81le lists urls where they can be obtained.</p>=0A<p style=
=3D'direction: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-=
family: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>=
=0Atlmgr and infrastructure:</p>=0A<ul style=3D'margin: 0 0 1em 1em; paddin=
g: 0; font-size: 14px; line-height: 1.4em; color: #444; font-family: "Helve=
tica Neue", Helvetica, Arial, sans-serif;'><li style=3D'line-height: 1.6; m=
argin-left: 1em; font-size: 14px; line-height: 1.4em; color: #444; font-fam=
ily: "Helvetica Neue", Helvetica, Arial, sans-serif;'>Automatically retry (=
once) packages that fail to download.</li>=0A<li style=3D'line-height: 1.6;=
 margin-left: 1em; font-size: 14px; line-height: 1.4em; color: #444; font-f=
amily: "Helvetica Neue", Helvetica, Arial, sans-serif;'>New option <code>tl=
mgr check texmfdbs</code>, to to check consistency of <code>ls-R</code> =
=EF=AC=81les and <code>!!</code> speci=EF=AC=81cations for each tree.</li>=
=0A<li style=3D'line-height: 1.6; margin-left: 1em; font-size: 14px; line-h=
eight: 1.4em; color: #444; font-family: "Helvetica Neue", Helvetica, Arial,=
 sans-serif;'>Use versioned =EF=AC=81lenames for the package containers, as=
 in <code>tlnet/archive/pkgname.rNNN.tar.xz</code>; should be invisible to =
users, but a notable change in distribution.</li>=0A<li style=3D'line-heigh=
t: 1.6; margin-left: 1em; font-size: 14px; line-height: 1.4em; color: #444;=
 font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;'><code>catalo=
gue-date</code> information no longer propagated from the TeX Catalogue, si=
nce it was often unrelated to package updates.</li>=0A<hr><p style=3D'direc=
tion: ltr; font-size: 14px; line-height: 1.4em; color: #444; font-family: "=
Helvetica Neue", Helvetica, Arial, sans-serif; margin: 0 0 1em;'>That's all=
, let the fun begin! And again, thanks to all the developers, builders, the=
 great CTAN team, and everyone who has contributed to this release!</p>=0A<=
div style=3D"direction: ltr; clear: both"></div>=09=09=09=09=09=09=09=09=09=
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l></div>=0A=0A=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=09=
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=09=09<strong><a style=3D"text-decoration: underline; color: #2585B2;" href=
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g> | April 10, 2020 at 9:38 pm | Categories: <a style=3D"text-decoration: u=
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