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CTAN update: luatagging
by CTAN Announcements 02 Oct '26

02 Oct '26

Marcel Krüger submitted an update to the luatagging package. Version: 0.2a 2026-10-01 License: lppl1.3c Summary description: Faster compile times for LuaLaTeX documents using tagging Announcement text: ------------------------------------------------------------------------ With the new luatagging release v0.2a multiple critical bugs have been resolved which broke the package when used without hyperref. Additionally the compatibility with PDF readers not understanding PDF 2.0 has been improved by adding compatibility role maps. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/luatagging The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/luatex/latex/luatagging/ ------------------------------------------------------------------------ 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: data-driven-visualization
by CTAN Announcements 02 Oct '26

02 Oct '26

Lukas C. Bossert submitted the data-driven-visualization package. Version: 1.0.0 License: lppl1.3c Summary description: CSV-driven concentric arc charts with configurable stages and titles Announcement text: -------------------------------------------------------------------------------- First public release of Data Driven Visualization (ddv). Create concentric arc charts from CSV files, filter and sort activities, and customize colors, gradients, stage rings, titles, and typography. The manual includes fourteen worked examples with LaTeX source beside each rendered chart. Distributed under LPPL 1.3c or later. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/data-driven-visualization More information is at https://ctan.org/pkg/data-driven-visualization -------------------------------------------------------------------------------- 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: ltx-talk
by CTAN Announcements 01 Oct '26

01 Oct '26

Joseph Wright submitted an update to the ltx-talk package. Version: 0.6.8 2026-09-30 License: lppl1.3c Summary description: A class for typesetting (accessible) presentations Announcement text: -------------------------------------------------------------------------------- ## [v0.6.8] - 2026-09-30 ### Fixed - Stretchable vertical glue in frame content (see issue [\#279](https://github.com/josephwright/ltx-talk/issues/279)) -------------------------------------------------------------------------------- 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 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: zhnumber
by CTAN Announcements 01 Oct '26

01 Oct '26

Liam Huang submitted an update to the zhnumber package. Version: 3.1 License: lppl1.3c Summary description: Typeset Chinese representations of numbers Announcement text: -------------------------------------------------------------------------------- This release of zhnumber v3.1 adds counting-rod numeral support, new date formatting options, several bug fixes, and compatibility updates. NEW FEATURES - Added counting-rod numerals `\zhrod` and `\zhrodbox`, along with the configuration command `\zhrodsetup` (#366). - Added support for outputting year-only or year-and-month dates. BUG FIXES - Fixed a typo where `\zhdigwithoptions` passed its options as an extra argument to `\zhnum_digits_counter:n`. Previously, `\zhdig` with options would error with "Use of \??? doesn't match its definition" and produce garbled output (#1008). - Fixed a typo where the `Tn` key was bound to the Heavenly-Stems-and-Earthly-Branches (干支) variable instead of the Heavenly Stems (天干) variable. Setting `Tn` previously affected the output of `\zhganzhi` rather than `\zhtiangan` (#1077). IMPROVEMENTS - Documented the behavior of option-bearing forms when written to auxiliary files: the counter value is frozen at write time, while the style is applied when the auxiliary file is read back (#1008). - `\zhnum` and `\zhdig` with options now expand the counter to its numeric value before passing it to the underlying implementation, so that the counter value is frozen when written to `.toc` and similar auxiliary files (#1008). - Replaced the deprecated `\keys_set_filter:nnnN` with `\keys_set_exclude_groups:nnnN` to avoid errors under debug mode starting from l3kernel 2026-09-09 (#1095). - Raised the minimum required LaTeX3 version to 2025/10/09. 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/zhnumber More information is at https://ctan.org/pkg/zhnumber -------------------------------------------------------------------------------- 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: 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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