Thomas F. Sturm submitted an update to the

tcolorbox

package.

Version number: 5.0.0 2021-12-16
License type: lppl1.3

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

Announcement text:
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### Added
- Library `skins`: Option `attach boxed title to top text left`
- Library `skins`: Option `attach boxed title to top text right`
- Library `skins`: Option `attach boxed title to bottom text left`
- Library `skins`: Option `attach boxed title to bottom text right`
- Library `theorems`: Option `theorem number`
- Library `minted`: Option `default minted options`
- Library `minted`: Temporary patch `\tcbTemporaryPatchMintedFancyvrb`
for the current minted/fancyvrb package clash (issue #158)

### Changed
- Changelog is switched to Markdown for entries from 2021 on
[Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
- From now on version numbers adhere to
[Semantic Versioning](http://semver.org/spec/v2.0.0.html)
- Library `documentation`: warn about not installed `marvosym` and `pifont` (issue #153)
- Environments wrapped with `\tcolorboxenvironment` are now compatible with
all three capture modes `minipage`, `hbox`, and `fitbox` (issue #154)
- Meaningful error prompts when using unknown capture modes (issue #156)
- Library `raster`: Inside a raster, `tcbrasternum` can now be
referenced using `label={mylabel}`, if the box is not numbered otherwise (issue #81 and #119)
- Library `theorem`: Theorems with empty display name are now possible without glitches
- Library `theorem`: Major code parts rewritten in expl3 code
- Internal layer accounting changed from LaTeX to TeX code to avoid problems with counter macro
manipulations by amsmath alignment environments (issue #160)
- Library `minted`: Option `minted options` now initialized with `default minted options`
- Library `minted`: Code parts rewritten in expl3 code

### Removed
- Library 'theorems': `\tcbmaketheorem` removed which is deprecated since version 2.40 (2013/07/15).
Use `\newtcbtheorem` instead.

### Fixed
- Library `documentation`: Inconsistent local/global assignment corrected (issue #144)
- Documentation: Changed bibtex link corrected (issue #145)
- Library `breakable`: Option `use color stack` was order dependant (issue #157)
- Library `raster`: Numbering for rasters inside rasters
- In certain situations options were set twice

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This package is located at
https://mirrors.ctan.org/macros/latex/contrib/tcolorbox

More information is at
https://www.ctan.org/pkg/tcolorbox

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Thanks for the upload.

For the CTAN Team
Erik Braun

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