CTAN Update: tcolorbox

CTAN Announcements ctan-ann at ctan.org
Sun Mar 3 12:34:28 CET 2019

Thomas F. Sturm submitted an update to the



Version:  4.20 2019-03-02
License:  lppl1.3

Summary description:  Coloured boxes, for LaTeX examples and theorems, etc

Announcement text:

 - bug fix (#60): \multicolumn could not be used for first cell with option 'tabularx'

 - internal colors names renamend and offially documented (Section 9.5 Color Names):
   'tcbcolframe', 'tcbcolback', 'tcbcolbacktitle', 'tcbcolbacklower',
   'tcbcolupper', 'tcbcollower', 'tcbcoltitle'

 - listingsutf8 compatability better documented (#58)

 - semantic changed for options: 'after upper*', 'after lower*'

 - new options: 'before upper*', 'before lower*', 'titlebox', 'nirvana'

 - library 'skins':
   * new options: 'beamer hidden', 'beamer alerted', 'hide', 'alert'
   * option 'only' moved from package to skins library

 - new documentation section '13 Beamer Support'


The package’s Catalogue entry can be viewed at

The package’s files themselves can be inspected at


   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese


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