CTAN update: tcolorbox

CTAN Announcements ctan-ann at ctan.org
Mon May 24 19:53:53 CEST 2021

Thomas F. Sturm submitted an update to the



Version number: 4.50 2021-05-21
License type: lppl1.3

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

Announcement text:

- bug fix (#128): 'tcbincludepdf' ignored some raster options
- bug fix (#138): visible seam for 'bicolor' and 'tile' in 'sidebyside' mode
    around the lower (i.e. rightward) part
- (#125) Using group around arguments for title in the examples
- (#134) Allocate write registers \tcb at out and \tcb at record@out only when needed
- (#135) Documentation: recommend to use initialization options after loading hyperref
- (#118) Documentation: warn user about white title color becoming invisible
         for the skin 'empty'
- documentation correction (#127)
- documentation of library skins is split into a general part and the  catalog of skins
- (#124) '\tcblistof' enhanced to take an optional short title and mimic
  '\listoffigures' where applicable
- library 'skins':
  * new option 'opacitybacklower'
  * new jigsaw variant of 'bicolor':
    'bicolor jigsaw', 'bicolorfirst jigsaw', 'bicolormiddle jigsaw', 'bicolorlast jigsaw'
  * implementation of bicolor overhauled
  * skin documentation complemented with sidebyside examples.
- library 'theorems':
  * (#126) new option 'theorem hanging indent'
- library 'vignette':
  * (#133) documentation examples for fading styles for every side added
- library 'raster':
  * (#119) '\thetcbrasternum' changed output the content of a counter.
    LaTeX counter 'tcbrasterrow', 'tcbrastercolumn', 'tcbrasternum' documented.


This package is located at 

More information is at


   Thanks for the upload.

     For the CTAN Team
    Erik Braun


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