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:
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### 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)

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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/

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Thanks for the upload.

For the CTAN Team
Vincent Goulet

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