ctan-ann September 2026

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CTAN update: tikzphysics
by CTAN Announcements 01 Oct '26

01 Oct '26

Vaibhav Blayer submitted an update to the tikzphysics package. Version: 1.7.0 License: lppl1.3c Summary description: TikZ-native shapes and anchors for classical physics diagrams Announcement text: -------------------------------------------------------------------------------- tikzphysics 1.7.0 adds thermodynamics and thermal physics/heat transfer, with native apparatus, equation-based PV processes and cycles, shared PV frames, latex heat-flow arrows, and integer percentage anchors. New optics include plane mirrors, plano lenses and meniscus variants. Mechanics, fluids, solids, tracks and waves gain 23 native components. Differential centroids, projected disk visibility and cylinder height markers are fixed; projected rims expose percentage coordinates. Physical strokes now inherit native TikZ line widths. Updated documentation, visual galleries, regression tests and the single-file Overleaf runtime are included. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/tikzphysics More information is at https://ctan.org/pkg/tikzphysics -------------------------------------------------------------------------------- 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: markdown
by CTAN Announcements 30 Sep '26

30 Sep '26

Vít Starý Novotný submitted an update to the markdown package. Version: 3.16.2-0-gdb771a1b 2026-09-29 License: lppl1.3c Summary description: Converting and rendering markdown documents inside TeX Announcement text: -------------------------------------------------------------------------------- ### Fixes This version of the Markdown package has fixed the following issues: - In the `witiko/diagrams@v2` built-in theme, do not pass the removed `--pdfFit` option to the `mmdc` commands >= 10.0.0, where its previous semantics are now the default. (da48ca6f, 07737d8c) - Fix option `frozenCache` not rendering diagrams in the built-in `witiko/diagrams@v2` theme. (5a5e325d) ### Documentation This version of the Markdown package has made the following improvements to the documentation: - Bump GitHub Actions in `README.md`. (38ad058c) - Update the earliest supported LaTeX3 version from `2025-01-18` to `2025-05-14`. (82d3854c) ### Continuous integration This version of the Markdown package has made the following changes to our continuous integration: - Prevent several workflows running for the same pull request / Git ref. (11cc3c0b) - Never prematurely stop matrix jobs just because one failed. (97070998) - Fix the reading of the `buildDocumentation` workflow dispatch input. (e738723f) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/generic/markdown More information is at https://ctan.org/pkg/markdown -------------------------------------------------------------------------------- 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: xpinyin
by CTAN Announcements via ctan-ann 30 Sep '26

30 Sep '26

Liam Huang submitted an update to the xpinyin package. Version: 3.2 2026-09-27 License: lppl1.3c Summary description: Automatically add pinyin to Chinese characters Announcement text: -------------------------------------------------------------------------------- xpinyin v3.2 brings new commands for querying pinyin data, broader input support, updated Unicode data, and several bug fixes. NEW FEATURES - `\disablepinyin` now has a starred form that also covers the `\xpinyin` command itself. (#265) - Four new commands `\xpinyinvalue`, `\xpinyininitial`, `\xpinyinshengmu`, and `\xpinyinyunmu` for querying the pronunciation of individual characters, useful for Chinese index grouping and sorting; the data table is loaded on demand via the `query` option. (#550) - Pinyin arguments now accept `ü`/`Ü` directly, equivalent to the existing `v`/`V` notation. Previously `\pinyin{nü3}` produced the literal text `nü3` under XeTeX, and caused an error under pdfTeX with `CJKutf8`. (#1069) BUG FIXES - When xeCJK's `AutoFallBack` has switched to a fallback font, the box used for width measurement no longer reselects the main font, fixing ruby text being compressed to an incorrect width. (#997) - `\setpinyin` now also updates the query table for characters not in the built-in database; previously only the ruby table was updated while `\xpinyinvalue` still reported "no pronunciation". (PR #1051) - `\setpinyin` now strips the trailing `5` (neutral tone marker) when storing to the query table, consistent with the convention that the query table omits the digit for neutral tone; previously the `none` form returned `shi5` instead of `shi`. (PR #1051) OTHER CHANGES - Pinyin data updated to Unicode 18.0 Unihan (v3.1 used 14.0), adding pronunciations for about 3,000 more characters; the preferred reading of about 300 characters has changed accordingly, mostly corrections to the current standard pronunciation, e.g. "绩" changed from `jī` to `jì`. The characters "子", "們", "啊", "啦", and "哇" retain their original neutral-tone readings. Use `\setpinyin` to override when needed. - Added standalone regression tests and integrated version-consistency checks for tag-based release builds. This only affects the test and release workflow, not the package behavior. Source code: https://github.com/CTeX-org/ctex-kit Issue tracker: https://github.com/CTeX-org/ctex-kit/issues -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/xpinyin More information is at https://ctan.org/pkg/xpinyin -------------------------------------------------------------------------------- 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: mayanumber
by CTAN Announcements 30 Sep '26

30 Sep '26

Manuel López Mateos submitted an update to the mayanumber package. Version: 1.0.2 2026-09-29 License: mit Summary description: Mayan numerals and vigesimal notation with positional floor colors Announcement text: ------------------------------------------------------------------------ Version 1.0.2 aligns the documentation with the 1.0.1 code base: the title page, the configuration section and the change history now describe the deferred configuration via AddToHook, the e-expansion and the group locality suggested by Enrico Gregorio. Code unchanged. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/mayanumber The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/unicodetex/latex/mayanumber/ ------------------------------------------------------------------------ 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: xjyutping
by CTAN Announcements 30 Sep '26

30 Sep '26

Longkai Li submitted the xjyutping package. Version: 1.2.0 License: lppl1.3c cc-by-sa-4 Summary description: Automatically add Cantonese Jyutping to Traditional Chinese characters Announcement text: -------------------------------------------------------------------------------- xjyutping is a new LaTeX package that adds Cantonese Jyutping (粵拼) above Traditional Chinese characters. It reads each character in context, so 行 is hong4 in 銀行 (bank) but haang4 in 行路 (walk). It supports XeLaTeX and LuaLaTeX, and has options for Visual Jyutping tone marks and for keeping the line breaks of verse and lyrics. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/xjyutping More information is at https://ctan.org/pkg/xjyutping -------------------------------------------------------------------------------- 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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New on CTAN: mpformulation
by CTAN Announcements 30 Sep '26

30 Sep '26

FYP submitted the mpformulation package. Version: 2.0 License: lppl1.3c Summary description: Typesetting mathematical programs (optimization models) Announcement text: -------------------------------------------------------------------------------- mpformulation typesets mathematical programs (linear, integer and nonlinear optimization models) the way they appear in operations research journals: a named objective, a "subject to" line, and one constraint per line with its quantifier (for all i in I) and an equation number. Main features: - "subject to" and the final period of the model are added automatically; - numbering per constraint, per model with sub-numbers (1a, 1b, ...), or a single number for the whole model; labels for the model number and the model name; - constraints too wide for the line, e.g. in two-column journals, are reorganized automatically: the indent shrinks, the quantifier is broken at its commas or moved below, and optional break points can be given in long expressions and objectives; - optional alignment of the constraints on their relation symbol, and left-aligned quantifiers in a common column; - no page break after the objective or "subject to", nor before the last constraint. The package is configured with key-value options, globally or per model. The manual introduces each feature with an example. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/mpformulation More information is at https://ctan.org/pkg/mpformulation -------------------------------------------------------------------------------- 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: monoref
by CTAN Announcements 30 Sep '26

30 Sep '26

Srikanth Mohankumar submitted an update to the monoref package. Version: 1.4 License: lppl1.3c Summary description: Single-pass cross-references, page totals, TOC and citations for LuaLaTeX Announcement text: -------------------------------------------------------------------------------- Version 1.4 adds single-run numbered citations: \cite against a hand-written thebibliography (or an existing BibTeX .bbl) resolves in the same single LuaLaTeX run, including forward citations, multi-key lists and the optional note; natbib/cite/biblatex are detected and left untouched. The load order of monoref and hyperref no longer matters, and the flush phase now warns when a resolved value is wider than its reserved slot. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/monoref More information is at https://ctan.org/pkg/monoref -------------------------------------------------------------------------------- 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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New on CTAN: pkgmeta
by CTAN Announcements 30 Sep '26

30 Sep '26

Amer Amikhteh submitted the pkgmeta package. Version: 1.0 2026-09-29 License: lppl1.3c Summary description: Retrieve metadata from LaTeX packages and files without loading them Announcement text: ------------------------------------------------------------------------ Initial release of pkgmeta, a small LaTeX package for retrieving package and file metadata without loading the target file. It supports \ProvidesPackage, \ProvidesFile, \ProvidesExplPackage, and \ProvidesExplFile, with a text-based LuaTeX backend and a readprov backend for XeTeX and pdfTeX. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/pkgmeta The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/pkgmeta/ ------------------------------------------------------------------------ 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: impe-framework
by CTAN Announcements via ctan-ann 30 Sep '26

30 Sep '26

Sikai Yang submitted the impe-framework package. Version: 1.0.1 License: mit Summary description: A XeLaTeX framework for building documents from reusable components Announcement text: -------------------------------------------------------------------------------- Tired of bloated, repetitive preambles? IMPE offers a simpler, more modular way to build XeLaTeX documents. Instead of wiring layouts, fonts, and optional features together by hand in every document, IMPE brings them behind a small set of common interfaces and ready-to-use document classes. Simple documents can stay simple, while more specialized typesetting—including multilingual and script-specific work—can be added when needed. This is the first CTAN release of IMPE. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/xetex/latex/impe-framework More information is at https://ctan.org/pkg/impe-framework -------------------------------------------------------------------------------- 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: pseudo
by CTAN Announcements via ctan-ann 30 Sep '26

30 Sep '26

Magnus Lie Hetland submitted an update to the pseudo package. Version: 1.2.4 2026-09-29 License: mit Summary description: Straightforward pseudocode Announcement text: -------------------------------------------------------------------------------- - Prefixed versions of `\eqs`, `\dts` and `\rng` added - Notation (eqs and dts) made a bit more configurable - Documentation (brace-HOWTO) improved - Switched from the deprecated `aliascnt` to the new `\newcounteralias` where available - Bug fixes and tweaks -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/pseudo More information is at https://ctan.org/pkg/pseudo -------------------------------------------------------------------------------- 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-ann September 2026