Thomas F. Sturm submitted an update to the

            tcolorbox

package.

Version: 6.9.0 2025-11-28 License: lppl1.3

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

Announcement text:

### Added

• Libary `documentation`:
  • Macros `\docKeyChoices` and `\docKeyChoices*` for lists of choices with options `doc head left width`, `doc head left ratio`, `doc key choices separator` (issue #351 and issue #352)
  • Shortcut options `doc key choices` and `doc key choices*`
• Documentation:
  • New section 'Tagging'

### Changed

• Tagging improvement for basic tcolorboxes (breakable and unbreakable) thanks to Ulrike Fischer (issue #358)
• Documentation: Use minted2 for production since minted v3 is currently broken with Python 3.14 (https://github.com/gpoore/minted/issues/463)

### Fixed

• Documentation:
  • Doc polishment and correction (pull request #336 and pull request #346)
  • Remove confusing sentence from `label type` docs (issue #338)
  • Emphasize `skins` library in `geometry nodes` docs (issue #337)
  • Mention new externalization packages `memoize` and `robust-externalize` (issue #339)
  • Mention `beamertheme-tcolorbox` in connection with the `beamer` skin (issue #340)
  • Replace several `xparse` leftovers (issue #341)
  • Remove `\interlineskip` from `tcolorbox-tutorial-poster.tex` (issue #353)
  • Correct some header comments (pull request #343)
  • Add references to options line `run arara` (pull request #344)
  • Add general hooks intro for stackable options (issue #347)
  • Refine docs for `enhanced standard` and `enhanced standard jigsaw` (issue #350)
  • Add note that `bookmark` and `bookmark*` are silently ignored, if the bookmark
  package is not loaded (issue #355)
  • Add note that vertical spread options are not suitable for breakable boxes (issue #357)

---

The package’s Catalogue entry can be viewed at https://ctan.org/pkg/tcolorbox

The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/tcolorbox/

---

Thanks for the upload.

For the CTAN Team Vincent Goulet

---

CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs