I've just updated to the latest TeX Live (on a Mac, i.e. sudo tlmgr update --self --all says no updates available) and am now getting errors when trying to use semibold fonts with the libertine package. My MWE is

no body needed

When compiling (with PDF LaTeX) I get the output below. texdoc libertine still suggests that this is the correct way of getting semibold text, so don't think this option has been depreciated.

Any clues appreciated!

This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013)
 restricted \write18 enabled.
entering extended mode
LaTeX2e <2011/06/27>
Babel <3.9h> and hyphenation patterns for 78 languages loaded.
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
! Undefined control sequence.
<argument> \libertine@semibold
l.210 \ProcessOptionsX\relax

? ^D
! Emergency stop.
<argument> \libertine@semibold
l.210 \ProcessOptionsX\relax

!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on test.log.

closed as off-topic by David Carlisle, Sean Allred, Zarko, Paul Gaborit, user13907 Nov 23 '15 at 0:12

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  • Looks like a bug (there seems to be an unwanted space between bold and true) so make a bug report to the author. – Ulrike Fischer Feb 19 '14 at 12:36
  • The sty uses in two places \@nameuse{\libertine@semibold#1} instead of \@nameuse{libertine@semibold#1}. – Ulrike Fischer Feb 19 '14 at 12:48
  • great, thanks @UlrikeFischer! I've sent an email to Bob and hacked my style file to change the above and it appears to do what I'd expect now. – Sam Mason Feb 19 '14 at 12:55
  • this bug has now been fixed by the author and updated packages are available on CTAN (also available in TeXLive updates) – Sam Mason Feb 21 '14 at 11:58
  • 4
    I'm voting to close this question as off-topic because fixed in current versions (as reported by OP) – David Carlisle Nov 22 '15 at 22:30