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CTAN update: expltools
by CTAN Announcements 25 Sep '26

25 Sep '26

Vít Starý Novotný submitted an update to the expltools package. Version: 2026-09-24 License: lppl1.3c gpl2+ Summary description: Development tools for expl3 programmers Announcement text: -------------------------------------------------------------------------------- ## expltools 2026-09-24 ### explcheck v0.24.0 #### Fixes This version of explcheck has fixed the following problems: - Ignore LaTeX3 standard-library commands newer than the value specified by the Lua option `latex3_definitions_max_added_date`. (#231) Since explcheck v0.20.0 from 2026-05-03, the option had no effect due to a typo. #### New features This version of explcheck has implemented the following new features: - Export the version date of the LaTeX3 data files as `expl3_version` in the `explcheck-latex3.lua` module. (#219, #231) - Include the dates when function and variable definitions were last updated in `definitions` from `explcheck-latex3.lua`. (#219, #231) This has increased the file size from circa 187K to circa 233K (+25%). - Include lone macro definitions with no corresponding function or variable definitions in `explcheck-latex3.lua`. (#219, #231) Previously, `\begin{macro}` definitions in `l3*.dtx` files were disregarded unless the same control sequence also had corresponding `\begin{function}` or `\begin{variable}` definitions. After this change, macros without corresponding `\begin{function}` or `\begin{variable}` definitions are classified as functions or variables based on their names. This has increased the number of function definitions in `explcheck-latex3.lua` from 4,883 to 5,637 (+15%) and the number of variable definitions from 340 to 371 (+9%). This has further increased the file size from circa 233K to circa 247K (+6%). Overall, the size of `explcheck-latex3.lua` has increased from circa 187K to circa 247K (+32%) in this version of explcheck. - In the command-line `--verbose` output, display the declared and estimated version of LaTeX3 required by the package files. (suggested by @dcpurton in #219, added in #231) For example, here is the output of running explcheck with the `--verbose` option on the files `markdown.tex` and `markdown.sty` from version 3.16.0 of the Markdown package for TeX from TeX Live 2026: ``` Checking 2 files Checking /usr/local/texlive/2026/texmf-dist/tex/generic/markdown/markdown.tex OK [...] Preprocessing results: - Doesn't seem like a LaTeX style file - Declares no required LaTeX3 version [...] Required LaTeX3 version estimates: - Latest added LaTeX3 command: \tl_if_regex_match:nNTF (2024-12-08) - Latest updated LaTeX3 command: \sys_if_engine_luatex:TF (2026-07-20) - Earliest deprecated LaTeX3 command: \regex_match:Nn (2025-05-14) [...] [...] Checking /usr/local/texlive/2026/texmf-dist/tex/latex/markdown/markdown.sty OK [...] Preprocessing results: - Seems like a LaTeX style file - Declares no required LaTeX3 version [...] Required LaTeX3 version estimates: - Latest added LaTeX3 command: \msg_info:nnnn (2021-05-18) - Latest updated LaTeX3 command: \cs_gset_protected:Npn (2023-09-27) [...] [...] Aggregate statistics: [...] - Required LaTeX3 version: undeclared, estimated at 2024-12-08 or later [...] ``` This allows package authors to determine how recent a version of `l3kernel` their code requires. Note that some obfuscated LaTeX3 commands may be missed by the analysis and that only the latest added date, not the latest updated date, is considered in the final recommendation in the "Aggregate statistics" section. The reported version should therefore be treated as a lower-bound estimate that requires human verification. - Report a warning when a standard-library LaTeX3 command is too recent. (discussed with @dcpurton in #219, added in #231) This adds two new warnings W210 and W306, titled "LaTeX3 command too recent", to sections 2 and 3 of the document titled [_Warnings and errors for the expl3 analysis tool_][warnings-and-errors] and implements them. These warnings are raised when a package file uses standard-library LaTeX3 commands introduced after the date specified by the Lua option `latex3_definitions_max_added_date`. A possible workflow is to run `explcheck --verbose` on your package and pin the reported required LaTeX3 version (e.g., `2024-12-08` in the example above) using `\NeedsTeXFormat{LaTeX2e}[2024-12-08]` and/or `\RequirePackage{expl3}[2024-12-08]`. Alternatively or additionally, set the Lua option `latex3_definitions_max_added_date` to `"2024-12-08"` in your `.explcheckrc` config file. If you later use newer LaTeX3 commands, these warnings will prompt you to either raise the required version or replace those commands. #### Documentation This version of explcheck has made the following improvements to the documentation: - In the document titled [_Warnings and errors for the expl3 analysis tool_][warnings-and-errors], grey out labelled work-in-progress issues. (reported by @muzimuzhi in #227, fixed in #228) Previously, labelled issues were assumed to be finished, whereas issues with automatically generated identifiers were assumed to be work-in-progress. However, some recent issues, like W512 (Defined an unexpandable function as unprotected), are labelled, since other issues already refer to them, but they are still marked as a work in progress. After this change, these issues are no longer considered finished and are properly designated as unfinished in the documentation. #### Continuous integration This version of explcheck has made the following changes to our continuous integration (CI): - Check if the `latex3` submodule points to the latest stable release. (reported by @muzimuzhi in #226, fixed in #229) Previously, the CI would nudge us to update the `latex3` submodule to the latest development version of LaTeX3, which would cause the file `explcheck-latex3.lua` to include bleeding-edge information from the LaTeX3 files `l3obsolete.txt`, `l3prefixes.csv`, and `l3*.dtx`. However, as mentioned by @muzimuzhi in #226, "in most cases, packages are written to work with stable [...] releases". This preference was corroborated by @u-fischer in the same ticket. Therefore, after this change, the CI will nudge us towards the latest stable rather than development releases. - Check if the `latex3` submodule points exactly to a Git tag. (#229) #### Dependencies This version of explcheck has made the following changes to third-party Git submodules and other dependencies: - Update the `latex3` submodule from 2026-09-09-dev to 2026-09-09 and continue pinning stable rather than development releases. (reported by @muzimuzhi in #226, fixed in #229) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/support/expltools More information is at https://ctan.org/pkg/expltools -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Manfred Lotz 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 .

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CTAN update: menukeys
by CTAN Announcements via ctan-ann 25 Sep '26

25 Sep '26

Jonathan P. Spratte submitted an update to the menukeys package. Version: 1.6.4 2026-09-24 License: lppl1.3c Summary description: Format menu sequences, paths and keystrokes from lists Announcement text: -------------------------------------------------------------------------------- This release fixes the Github issues #70 and #71 (thanks to GH user @ysalmon for reporting them). In particular - Naming clashes of key macros result in a warning in the log. Additionally each key macro is defined with a customisable prefix (default `mk` -- so you can use `\mkreturn`). - The arrow style used for keys like `\return` gets declared and isn't inherited from the current Ti*k*Z settings. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/menukeys More information is at https://ctan.org/pkg/menukeys -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Erik Braun 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 .

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CTAN update: BerenisADF
by CTAN Announcements 24 Sep '26

24 Sep '26

Clea F. Rees submitted an update to the BerenisADF package. Version: 3.0 License: lppl1.3c gpl2 Summary description: Berenis ADF fonts and TeX/LaTeX support Announcement text: -------------------------------------------------------------------------------- Support for Unicode engines. (Same package dependencies as 8-bit engines; does not depend on fontspec.) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/fonts/berenisadf More information is at https://ctan.org/pkg/berenisadf -------------------------------------------------------------------------------- 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.

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CTAN update: tagpdf
by CTAN Announcements 24 Sep '26

24 Sep '26

The LaTeX Project Team submitted an update to the tagpdf package. Version: 1.0g 2026-09-23 License: lppl1.3c Summary description: Code for PDF tagging using pdfLaTeX and LuaLaTeX Announcement text: -------------------------------------------------------------------------------- ## [2026-09-23] Version 1.0g ### Fixed - new book namespace definition should only be loaded with latex 2026-11-01 -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/tagpdf More information is at https://ctan.org/pkg/tagpdf -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Manfred Lotz 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 .

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CTAN update: robotkarol
by CTAN Announcements 24 Sep '26

24 Sep '26

Anselm Wagner submitted an update to the robotkarol package. Version: 3.9 2026-09-23 License: lppl1.3c Summary description: Worlds and block programs of the German teaching environment Robot Karol Announcement text: -------------------------------------------------------------------------------- robotkarol draws worlds and Blockly-style block programs in the visual style of Robot Karol Online (https://karol.arrrg.de/) for worksheets, exams and slides. New in version 3.9: a karolwelt picture can show the start state and the goal state of a task at once, the way the online exercises do. The objects take the keys start and ziel -- with the aliases neu and weg, and the Robot Karol verbs hinlegen/aufheben and setzen/loeschen -- as well as startanzahl and zielanzahl for stacks that grow or shrink. The environment gained zustand=start|ziel|beides to pick the view, aufraeumen for tasks whose goal is the empty world, and rahmen and hervorheben. The new karolweltpaar environment draws one world twice, as a before-and-after pair, and \karolzustandslegende explains the symbols. The print mode covers all of this by hatching and dashed outlines rather than by shades of grey. Documents that do not use the new keys produce byte-identical output. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/robotkarol More information is at https://ctan.org/pkg/robotkarol -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Manfred Lotz 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 .

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CTAN update: UniPersian
by CTAN Announcements 24 Sep '26

24 Sep '26

Amer Amikhteh submitted an update to the UniPersian package. Version: 0.2.0 License: lppl1.3c Summary description: Persian language support for LaTeX, LuaLaTeX, and XeLaTeX using Babel Announcement text: -------------------------------------------------------------------------------- UniPersian v0.2.0 improves the LuaTeX implementation and mixed Persian–Latin typesetting. This release adds automatic fallback-font support, improves font management and direction handling, expands LuaTeX layout support, and improves integration with minted and listings. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/language/persian/unipersian More information is at https://ctan.org/pkg/unipersian -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Manfred Lotz 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 .

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CTAN update: luamplib
by CTAN Announcements 23 Sep '26

23 Sep '26

Dohyun Kim submitted an update to the luamplib package. Version: 2.44.0 2026-09-22 License: gpl2 Summary description: Use LuaTeX’s built-in MetaPost interpreter Announcement text: -------------------------------------------------------------------------------- This version implemented 'externalize' functionality similar to PGF's 'external' library. See the documentation 1.1.19 for details. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/generic/luamplib More information is at https://ctan.org/pkg/luamplib -------------------------------------------------------------------------------- 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.

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CTAN update: beamertheme-tcolorbox
by CTAN Announcements 23 Sep '26

23 Sep '26

samcarter submitted an update to the beamertheme-tcolorbox package. Version: 1.6 2026-09-22 License: lppl1.3c Summary description: A beamer/ltx-talk inner theme to reproduce standard beamer blocks using tcolorboxes Announcement text: -------------------------------------------------------------------------------- ### Changed - reinstate workaround for block opacity for ltx-talk v0.6.5 -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/beamer-contrib/themes/beamert… More information is at https://ctan.org/pkg/beamertheme-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.

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CTAN update: tagpdf
by CTAN Announcements via ctan-ann 23 Sep '26

23 Sep '26

The LaTeX Project Team submitted an update to the tagpdf package. Version: 1.0f 2026-09-21 License: lppl1.3c Summary description: Code for PDF tagging using pdfLaTeX and LuaLaTeX Announcement text: -------------------------------------------------------------------------------- ### Added - structure key `attribute*`, `attribute-unnamed`, `attribute-unnamed*` - Tests \tag_if_tag_known:nn, \tag_if_NS_known:n - added role/new-NS - \tag_set_split:NNn, \tag_gset_split:NNn to split up tag/NS pairs faster. ### Changed - `attribute` key now can be used more than once and then appends attributes. ### Fixed - `\pdffakespace` in lualatex does nothing when used in vertical mode, issue #137 -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/tagpdf More information is at https://ctan.org/pkg/tagpdf -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Erik Braun 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 .

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CTAN update: linguexx
by CTAN Announcements via ctan-ann 23 Sep '26

23 Sep '26

Gerhard Schaden submitted an update to the linguexx package. Version: 1.3.2 2026-09-21 License: lppl1.3c Summary description: A tagging-aware package for typesetting linguistic examples and glosses Announcement text: -------------------------------------------------------------------------------- Fixed in 1.3.2 In a tagged PDF, the spoken form of an \altn or \altg stack was attached to an element that contained nothing. Under LuaLaTeX this happened to every stack; under every engine, to an \altn alternative containing a \lpzg gloss. The printed page was correct and veraPDF accepted the file, so the defect went unnoticed. A screen reader now finds the alternatives inside the element whose /Alt describes them. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/linguexx More information is at https://ctan.org/pkg/linguexx -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Erik Braun 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 .

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