ctan-ann September 2026

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New on CTAN: datemultical
by CTAN Announcements 18 Sep '26

18 Sep '26

Amer Amikhteh submitted the datemultical package. Version: 0.1.0 2026-09-17 License: lppl1.3c Summary description: Named dates, calendar conversion, and date formatting for LaTeX Announcement text: ------------------------------------------------------------------------ The datemultical package is now available on CTAN. datemultical provides a unified interface for defining, converting, and formatting named dates in multiple calendar systems in LaTeX. It includes a built-in TeX backend for the Gregorian, Solar Hijri, and Lunar Hijri calendars, as well as an extended LuaLaTeX backend using lua-calendrica for a wide range of historical, astronomical, and traditional calendars. The package provides field-based date retrieval, customizable date formatting patterns, predefined date styles, calendar-specific month and weekday names, and support for leap-year, leap-month, and leap-day information. Persian localization and high-level Persian date and weekday commands are also included. Version 0.1.0 is the initial release of datemultical. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/datemultical The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/datemultical/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ 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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New on CTAN: tikz-tensor-networks
by CTAN Announcements 18 Sep '26

18 Sep '26

Sirui Lu submitted the tikz-tensor-networks package. Version: 0.8.0 License: apache2 Summary description: Generate tensor-network diagrams from a description of the network Announcement text: ------------------------------------------------------------------------ This is the first CTAN release of tikz-tensor-networks, a LaTeX package for drawing tensor-network diagrams from a description of tensors, indices and connections. Version 0.8.0 supports matrix product states, PEPS sheets, string diagrams and channel diagrams. Load it with \usepackage{tikz-tensor-networks}; diagrams use the tenkz and tenkzeq environments. The package includes a PDF manual and its LaTeX sources and is distributed under the Apache License 2.0. This is a pre-1.0 release; the 1.0 compatibility freeze is not claimed. Project: https://github.com/LionSR/tenkz ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/tikz-tensor-networks The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pgf/contrib/tikz-tensor-networks/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ 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: ltx-talk
by CTAN Announcements via ctan-ann 17 Sep '26

17 Sep '26

Joseph Wright submitted an update to the ltx-talk package. Version: 0.6.5 2026-09-16 License: lppl1.3c Summary description: A class for typesetting (accessible) presentations Announcement text: -------------------------------------------------------------------------------- ## [v0.6.5] - 2026-09-16 ### Fixed - Revert application opacity grouping to `tcolorbocx` environments (see issues [\#272](https://github.com/josephwright/ltx-talk/issues/272) and [\#274](https://github.com/josephwright/ltx-talk/issues/274)) ----------------------------------------------------------------------5~---------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/ltx-talk More information is at https://ctan.org/pkg/ltx-talk -------------------------------------------------------------------------------- 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: expltools
by CTAN Announcements 17 Sep '26

17 Sep '26

Vít Starý Novotný submitted an update to the expltools package. Version: 2026-09-16 License: lppl1.3c gpl2+ Summary description: Development tools for expl3 programmers Announcement text: ------------------------------------------------------------------------ ## expltools 2026-09-16 ### explcheck v0.23.2 #### Fixes This version of explcheck has fixed the following problems: - Prevent TeX primitives like `\def` and `\let` from producing false positive detections of issue W507 (Setting a function before definition). (reported by @muzimuzhi in #221, fixed in #225) ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/expltools The package’s files themselves can be inspected at https://mirrors.ctan.org/support/expltools/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ 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: Lora
by CTAN Announcements 17 Sep '26

17 Sep '26

Dmitriy Nosachev submitted an update to the Lora package. Version: 1.0.3 2026-09-16 License: ofl lppl1.3c Summary description: TrueType font for LuaTeX and XeTeX Announcement text: ------------------------------------------------------------------------ Added ligatures and aalt demo Added lora.fontspec file Example of defining a font with a custom weight value Fix: apply scale setting to all Lora variants Using named instances of fonts instead of manually setting axis values ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/lora The package’s files themselves can be inspected at https://mirrors.ctan.org/fonts/lora/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ 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: lua-unicode-math
by CTAN Announcements 17 Sep '26

17 Sep '26

Marcel Krüger submitted an update to the lua-unicode-math package. Version: 0.11 2026-09-14 License: lppl1.3c Summary description: OpenType Math font support for LuaLaTeX Announcement text: -------------------------------------------------------------------------------- - Switch \mathscr and \mathcal back, reverting the change in v0.9 - Switch to Unicode font for math alphabets if fontspec isn't used. - Add support for setting multiple versions with fontspec interface. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/lua-unicode-math More information is at https://ctan.org/pkg/lua-unicode-math -------------------------------------------------------------------------------- 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: latex-tagging-status
by CTAN Announcements 17 Sep '26

17 Sep '26

The LaTeX Project Team submitted an update to the latex-tagging-status package. Version: 2026-09-15 License: lppl1.3c Summary description: The LaTeX Tagging Status data Announcement text: -------------------------------------------------------------------------------- Changes to the tagging status of adobeornaments bahaistar bxjsarticle bxjsbook bxjscjkcat bxjscompat bxjspandoc bxjsreport bxjsslide clrdblpg cookingsymbols coolfn dcounter euflag lora luaquotes makebase modulus nccparskip nccstretch swungdash symbats3 tramlines -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/latex-tagging-status More information is at https://ctan.org/pkg/latex-tagging-status -------------------------------------------------------------------------------- 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: latex-base-dev
by CTAN Announcements 16 Sep '26

16 Sep '26

The LaTeX Project Team submitted an update to the latex-base-dev package. Version: pre-release 2 2026-11-01 License: lppl1.3c Summary description: Development pre-release of the LaTeX kernel Announcement text: -------------------------------------------------------------------------------- See draft LaTeX News 44 -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex-dev/base More information is at https://ctan.org/pkg/latex-base-dev -------------------------------------------------------------------------------- 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: gbt7714
by CTAN Announcements 16 Sep '26

16 Sep '26

Zeping Lee submitted an update to the gbt7714 package. Version: 3.1.0 2026-09-15 License: lppl1.3c Summary description: A BibTeX implementation of China National Standard GB/T 7714 Announcement text: -------------------------------------------------------------------------------- ## [3.1.0] - 2026-09-15 ### Added - Add the 1987 version of the GB standard styles: `gbt7714-1987-numeric` and `gbt7714-1987-authoryear`. - Add the `applicationnumber` field for patents to distinguish it from the issued number. ### Changed - Change the punctuation style to `GB` for the 2015 and 2005 versions, aligning with the 2025 version. - Journal titles in the 2015 and 2005 versions are covnerted to sentence case. - Change the entry type identifier for preprints to "EB" for the 2015 and 2005 versions. - Change the default parentheses for author-year citations to full-width characters (`citepunct = full`). ### Fixed - Fix the capitalization of journal titles. - Fix the comma before name suffixes (e.g., "Jr"). - Names of Chinese authors written in Pinyin are not initialized in the 2005 version. - Fix the placement of standard numbers in the 2005 version. - Fix a false "empty year" warning ([#206](https://github.com/zepinglee/gbt7714-bibtex-style/issues/206)). ### Removed - Remove obsolete options from v1.*: `2015`, `2005`, `super`, `numbers`, and `authoryear`. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/biblio/bibtex/contrib/gbt7714 More information is at https://ctan.org/pkg/gbt7714 -------------------------------------------------------------------------------- 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: TUGboat
by CTAN Announcements 16 Sep '26

16 Sep '26

Karl Berry submitted an update to the TUGboat package. Version: 2.39 2026-09-15 License: lppl1.3 Summary description: LaTeX macros for TUGboat articles Announcement text: -------------------------------------------------------------------------------- An update to the LaTeX package for the TUGboat journal (https://tug.org/TUGboat). Noteworthy changes: 2.37 (2026-06-15) ltugboat.cls: - define \AI as \acro{AI}. - define \tubnewline as \texorpdfstring{\newline}{ }. - the \makevmeta option to ltugboat's {verbatim} now works with tagging. - skips above/below captions corrected for tables, where the caption is above. - change \abovecaptionskip and \floatsep by +- (respectively) 1pt, and reduce \belowabstractskip to 12pt, so there's a better chance of text columns coming out even. tugboat.bst: - recognize Unicode en dash (U+2013) so that "pp." is output instead of "p.". ------ Articles for upcoming issues are welcome any time: our article template and information are at https://tug.org/TUGboat/location.html. See https://tug.org/TUGboat for author info, back issues, and everything else relating to TUGboat. Suggestions and bug reports are also always welcome. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/tugboat More information is at https://ctan.org/pkg/tugboat -------------------------------------------------------------------------------- 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-ann September 2026