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CTAN update: CircuiTikZ
by CTAN Announcements via ctan-ann 27 May '26

27 May '26

Romano Giannetti submitted an update to the CircuiTikZ package. Version number: 1.8.6 2026-05-24 License type: lppl gpl Summary description: Draw electrical networks with TikZ Announcement text: ---------------------------------------------------------------------- A shiny new style for the manual, with a new example code implementation by Jonathan P. Spratte, based on the package `enverb`. The manual now avoids writing *hundreds* of auxiliary files, and compiles significantly faster. As a bonus, now the manual can be compiled with `lwarp`, enabling the creation of a pure-HTML version. Additionally, a new option to simplify building custom blocks, thanks to a suggestion by Matthias Jung. - New manual style, with new example code based on `enverb` (mainly by Jonathan P. Spratte) - New option `border` for `component text` that applies to the `twoportsplit` component - New option `jfet gate height` to move the vertical position of JFET gate - New options for relative gate thickness in FETs and MOSFETs, and rounded caps for transistors - Fixed a nasty bug with `ooosourcetrans`. ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/circuitikz More information is at https://www.ctan.org/pkg/circuitikz ------------------------------------------------------------------------ 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: numodel-bundle
by CTAN Announcements via ctan-ann 27 May '26

27 May '26

Paul Zuurbier submitted an update to the numodel-bundle package. Version number: 0.6.0 2026-05-26 License type: lppl1.3c Summary description: Numerical physics models with Forrester diagrams and auto-sized plots Announcement text: ---------------------------------------------------------------------- numodel-bundle v0.6.0 Highlights ---------- * New per-prefix accessor \<prefix>steps expands to the iteration count N after \computemodel. No more deriving N by hand from Tmax/dt. * \mstep{<Name>}{<i>} now raises a numodel error when <i> is outside the recorded range, instead of silently expanding to nothing. * \textmodel: alias keys (alias, aliasleft, aliasright) now work with amsmath dots macros (\cdots, \ldots, \dotsb, ...). Fixes a regression introduced in v0.4.0 by the tabularray migration. * \graphicmodel auto-layout no longer leaves an empty row between the stocks row and the constants row when the model has no auxiliary variables. Build / packaging changes ------------------------- * The user manual moved out of the .dtx into stand-alone numodel-manual.tex / numodel-plot-manual.tex. The .dtx is now pure docstrip source. Manuals use Arial + Lete Sans Math + Fira Mono and a tcolorbox+listings example environment so each example is shown verbatim and executed from a single source. * The examples/ directory is no longer shipped to CTAN. Removed ------- * numodel: stockwidth setup key and \halfstockwidth macro (dead code). See numodel/CHANGELOG.md and numodel-plot/CHANGELOG.md for the full list. ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/numodel-bundle More information is at https://www.ctan.org/pkg/numodel-bundle ------------------------------------------------------------------------ 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: pkgcheck
by CTAN Announcements via ctan-ann 27 May '26

27 May '26

Manfred Lotz submitted an update to the pkgcheck package. Version number: 4.0.2 2026-05-25 License type: apache2 mit Summary description: CTAN package checker Announcement text: ---------------------------------------------------------------------- ## pkgcheck 2026-05-25 (4.0.2) ### Fixed Fix filecontents false positives Suppress \begin{filecontents} targets in files that have no \generate or \generateFile commands. Such files use filecontents for documentation purposes (embedded code examples, index-style files written during doc compilation) rather than for package installation. Co-Authored-By: Claude Sonnet 4.6 <noreply(a)anthropic.com> ## pkgcheck 2026-05-24 (4.0.1) ### Fixed Fix three parser bugs in nom_parsing.rs - keep may_generate=true when a macro is redefined with a non-generating body (sticky flag). Fixes ctable/isodoc where \ifx...\else...\fi guards a generating and a no-op \def of \Extract. - introduce skip_control_symbol so the fallback branch advances past \X (backslash + one character) rather than just the backslash. Fixes \\begin{filecontents} and \\generate{ in Perl string literals (perltex.dtx, makedtx.dtx) being misread as real TeX commands. Co-Authored-By: Claude Sonnet 4.6 <noreply(a)anthropic.com> ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/support/pkgcheck More information is at https://www.ctan.org/pkg/pkgcheck ------------------------------------------------------------------------ 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: 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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