Public bug reported:

The TeXLive snapshot in artful fails to compile many conforming LaTeX
documents. This is due to the fact that the snapshot was taken at a time
when many packages were broken by some other changes.

Notably:

1) A recent l3kernel update, made the \bool_if:n(TF) boolean expression
evaluation greedy. This broke *many* packages, including acro, media9
(and many other packages based on l3). All these package were quickly
updated to cope with the new l3kernel, but the TeXlive shipped in artful
manages sampling the time after the l3kernel change and before the
package updates.

See https://tex.stackexchange.com/questions/383018/acro-package-
provides-missing-number-treated-as-zero-after-update-to-acro

2) the version of fontspec included in artful gives tons of warning on
lualatex regarding features only available in xetex. This is actually
due to

*************************************************
* fontspec warning: "only-xetex-feature"
* 
* Ignored XeTeX only feature: 'HyphenChar'.
*************************************************

This is due to missing adjustment of the \defaultfontfeatures in
fontspec.cfg.

These are no issues for users of the real TeXLive that regularly gets
updates via the texlive manager. The fact that tlmgr does not work
(well? at all?) even in user mode in ubuntu, plus the fact that texlive
does not generally get updated to newer snapshot through the distro
history means that the artful texlive is in a painful state for many
users of LaTeX.

Please, provide some updates to the texlive distro in artful.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: texlive 2017.20170818-1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
CurrentDesktop: KDE
Date: Fri Nov  3 17:16:29 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-12-12 (1421 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
PackageArchitecture: all
SourcePackage: texlive-base
UpgradeStatus: Upgraded to artful on 2017-10-26 (8 days ago)

** Affects: texlive-base (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug artful third-party-packages

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https://bugs.launchpad.net/bugs/1729891

Title:
  TeXlive shapshot in artful was taken at an unfortunate time when
  TeXlive was rather buggy

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