ctan-ann May 2026

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CTAN update: l3experimental
by CTAN Announcements 27 May '26

27 May '26

The LaTeX Project Team submitted an update to the l3experimental package. Version: 2026-05-26 License: lppl1.3c Summary description: Announcement text: -------------------------------------------------------------------------------- ## [2026-05-26] ### Added - `\draw_point_interpolate_curve:nnnn` - `\draw_path_lastx:`, `\draw_path_lasty:` (issue \#1900) ### Changed - Automatically manage layer creation in drawings (see issue \#1899) - Rename `\draw_point_interpolate_arcaxes:nnnnnn` to `draw_point_interpolate_arc_axes:nnnnnn` - Document `\draw_point:n` (issue \#1488) ### Fixed - Correct signature for `\draw_point_interpolate_curve:nnnnnn` - Correct result for `\draw_point_interpolate_curve:nnnnnn` (issue \#1903) - Correct scaling for `\draw_point_arc_axes:nnnn` (issue \#1910) - Correct transformations for `\draw_transform_shift_invert:` (issue \#1913) - Correct interpolation in `\draw_point_interpolate_line:nnn` (issue \#1918) ### Removed - `\draw_layer_new:n` (see issue \#1899) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/l3experimental More information is at https://ctan.org/pkg/l3experimental -------------------------------------------------------------------------------- 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: orbitals
by CTAN Announcements 27 May '26

27 May '26

Faris Hameed submitted the orbitals package. Version: 1.0 License: lppl1.3c Summary description: Atomic subshell / orbital-box diagrams for LaTeX, with automatic electron filling following Hund's rule and the Pauli principle Announcement text: -------------------------------------------------------------------------------- `orbitals` draws the familiar "box-and-arrow" notation for atomic subshells (s, p, d, f). You give only the principal quantum number, the subshell letter and the number of electrons; the package fills the boxes automatically (one spin-up arrow per box first, then pairing), reproducing the high-spin free-atom ground state. It can draw: * a single subshell (`\suborbital`), * a row of subshells (`\electronconfig`), * a valence configuration with a noble-gas core (`\atomconfig`), * an empty transition-series template (`\transitionseries`). Every diagram can be scaled and placed inline in running text. Colours, box size, spacing and arrow shape are configurable. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/orbitals More information is at https://ctan.org/pkg/orbitals -------------------------------------------------------------------------------- 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: pst-titration
by CTAN Announcements 27 May '26

27 May '26

Herbert Voß submitted the pst-titration package. Version: 0.01 License: lppl Summary description: Acid-Base pH Titration Curves with PSTricks Announcement text: ---------------------------------------------------------------------- Titration is a common laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte (a substance to be analyzed). ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/pst-titration The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pstricks/contrib/pst-titration/ ------------------------------------------------------------------------ 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: luamplib
by CTAN Announcements 27 May '26

27 May '26

Dohyun Kim submitted an update to the luamplib package. Version: 2.41.3 2026-05-26 License: gpl2 Summary description: Use LuaTeX’s built-in MetaPost interpreter Announcement text: ---------------------------------------------------------------------- * new optional argument for asgroup operator: wrapped * fix the parsing of asgroup option ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/luamplib The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/luatex/generic/luamplib/ ------------------------------------------------------------------------ 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: ZUGFeRD
by CTAN Announcements 27 May '26

27 May '26

Marei Peischl submitted an update to the ZUGFeRD package. Version: 0.11 2026-05-25 License: lppl1.3c Summary description: ZUGFeRD and Faktur-X invoicing using LaTeX Announcement text: ---------------------------------------------------------------------- ZUGFeRD v0.11 * compatbility with current TeX Live * add support for additional references, e.g. BT-132 * extend flexibility of demo implementation * allow to set pdf metadata later than package loading (affects options zugferd/format) * bugfixes for format=basic ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/zugferd The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/zugferd/ ---------------------------------------------------------------------- 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: ProfCollege
by CTAN Announcements 26 May '26

26 May '26

Christophe Poulain submitted an update to the ProfCollege package. Version: 1.00-b 2026-05-25 License: lppl1.3c Summary description: A LaTeX package for French maths teachers in college Announcement text: ---------------------------------------------------------------------- Version 1.00 geared towards LuaLaTeX but not only (See documentation) Some new commands : \GuideAne, \GratteCiel, \TableLacunaire... Improvements for some commands : \Pythagore become \NPythagore, \Trigo become \NTrigo... (but old commands are still available) Version 1.00-a: Fix \Cartographie and compilation for no LuaLaTeX users. Version 1.00-b: Fix Documentation. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/profcollege The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/profcollege/ ------------------------------------------------------------------------ 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: biblatex-greifswald
by CTAN Announcements via ctan-ann 26 May '26

26 May '26

Jonathan Garbe submitted the biblatex-greifswald package. Version number: 1 2026-05-25 License type: mit Summary description: The author-date BibLaTeX Greifswald style Announcement text: ---------------------------------------------------------------------- Greifswald bibliographies consist of two columns: The left one contains the publication date, while title and other bibliographical data (the body) are printed in the right column. The author names are printed in bold face and span both columns. The .bbx file can be used without the .sty file for non-tabular bibliographies. The .sty file can be used without the .bbx file as a general basis for tabular author-year bibliography styles. ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/biblatex-contrib/biblatex-gre… More information is at https://www.ctan.org/pkg/biblatex-greifswald ------------------------------------------------------------------------ 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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New on CTAN: tikz-sections
by CTAN Announcements via ctan-ann 26 May '26

26 May '26

Parsa Yazdi submitted the tikz-sections package. Version number: 0.2.0 2026-05-25 License type: lppl1.3c Summary description: Draw structural cross-sections Announcement text: ---------------------------------------------------------------------- TikZ-Sections is a TikZ-based LaTeX package for drawing structural engineering cross-sections. The package provides key-value commands for common cold-formed steel, hot-rolled steel, and reinforced-concrete section sketches, including channels, zees, RHS/SHS/CHS sections, universal beams and columns, plates, bars, and basic reinforced-concrete rectangular and circular sections. This release prepares the package for distribution on CTAN under the name `tikz-sections`. It introduces a clearer public command interface, package-safe TikZ loading, improved placement and transformation keys, updated documentation and examples, and a more consistent key-value API for structural section drawings. ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/tikz-sections More information is at https://www.ctan.org/pkg/tikz-sections ------------------------------------------------------------------------ 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: piton
by CTAN Announcements 26 May '26

26 May '26

François Pantigny submitted an update to the piton package. Version: 4.13 2026-05-25 License: lppl1.3 Summary description: Typeset computer listings with LPeg of LuaLaTeX Announcement text: ---------------------------------------------------------------------- New key ‘line-numbers/lmmono10-drawn’. With that key, the font Latin Modern Mono 10 will be used for the numbers of lines but these numbers will be drawn and not inserted as text in the PDF. Therefore, during a copy-paste, the PDF readers won’t catch those numbers. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/piton The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/luatex/latex/piton/ ------------------------------------------------------------------------ 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: tracklang
by CTAN Announcements 26 May '26

26 May '26

Nicola Talbot submitted an update to the tracklang package. Version: 1.6.8 2026-05-24 License: lppl1.3 Summary description: Language and dialect tracker Announcement text: ---------------------------------------------------------------------- Changed package options de-DE, de-AT and de-CH to be equivalent to options de-DE-1996, de-AT-1996 and de-CH-1996, respectively. Added de-DE-1901, de-AT-1901 and de-CH-1901. Added support for new babel-german language options ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/tracklang The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/generic/tracklang/ ---------------------------------------------------------------------- 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-ann May 2026