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New on CTAN: hawkdraw
by CTAN Announcements 22 May '26

22 May '26

Jasper Habicht submitted the hawkdraw package. Version: 0.0.6 2026-05-20 License: lppl1.3c Summary description: Draw vector graphics using l3draw with a simple syntax Announcement text: ---------------------------------------------------------------------- The new LaTeX package hawkdraw provides a set of user-level commands to draw vector graphics using l3draw. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/hawkdraw The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/hawkdraw/ ---------------------------------------------------------------------- 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: babel
by CTAN Announcements 22 May '26

22 May '26

Javier Bezos López submitted an update to the babel package. Version: 26.8 2026-05-20 License: lppl1.3 Summary description: Multilingual support for LaTeX, LuaLaTeX, XeLaTeX, and Plain TeX Announcement text: ---------------------------------------------------------------------- Changes in version 26.8 are described in: https://latex3.github.io/babel/news/whats-new-in-babel-26.8.html Here is a summary: * Improved Kazakh (thanks to Berik I. Tuleuov). * Fixes: - Math should be completely skipped in bidi processing (#423) - \indexname has toc-unsafe value for some languages (#426) ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/babel The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/required/babel/base/ ------------------------------------------------------------------------ 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: page-canons
by CTAN Announcements 22 May '26

22 May '26

Daniel Quigley submitted the page-canons package. Version: 3.9.3 License: lppl1.3c Summary description: Classical page-layout canons with margin-note support Announcement text: ---------------------------------------------------------------------- page-canons implements classical page-layout canons. Supported canons include Van de Graaf, Villard de Honnecourt (parametric family with N = 3, 6, 9, 12, 15), Tufte, Canon des Ateliers (ordinary, neater, and luxury variants), and a modular N x N grid. Other inclusions: four margin modes (symmetric, antisymmetric, right, left); gutter support with two calculation modes; a fullwidth environment; exported dimensions for margin-aware content. The only declared runtime dependency is the geometry package. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/page-canons The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/page-canons/ ------------------------------------------------------------------------ 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: transition-metals
by CTAN Announcements via ctan-ann 22 May '26

22 May '26

Faris Hameed submitted the transition-metals package. Version number: 1.0 2026-05-18 License type: lppl1.3c Summary description: Hybridization diagrams for transition metal complexes Announcement text: ---------------------------------------------------------------------- Subject: transition-metals New release v1.0 – package for transition metal electronic configurations and Hybridization diagrams for transition metal complexes Date: 18 May 2026 We are pleased to announce the first release of the transition-metals package for drawing hybridization diagrams of transition metal complexes. Features • Single command: \Complex{atomic number}{metal}{charge}{ligand}{coordination number} • Supports sp, sp², dsp², sp³d, d²sp³ hybridization • Automatic distinction between strong ligands (low spin) and weak ligands (high spin) • First row (Z=21–30): depends on ligand type (NH₃, CN⁻, CO, en) • Second and third rows (Z≥31): all ligands treated as strong • Fills orbitals used in hybridization (d, s, p) • Automatically calculates: d electron count, magnetic property (diamagnetic/paramagnetic), EAN Changes • Renamed main command from \ComplexStrong/\ComplexWeak to \Complex • Fixed Extra } error with \ComplexStrong{26}{Fe}{2+}{(CN)}{6} • Added hybridization support for coordination numbers 2, 3, and 5 • Replaced \drawDElectronsPaired with safer electron drawing Bug Fixes • Fixed missing yellow fill for sp, sp², sp³d hybridizations • Fixed incorrect electron configuration for elements Z > 36 Installation tlmgr install chemhybrid (CTAN submission pending) Documentation transition-metals-doc.pdf ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/unicodetex/latex/transition-metals More information is at https://www.ctan.org/pkg/transition-metals ------------------------------------------------------------------------ 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: ciad-beamertheme
by CTAN Announcements 21 May '26

21 May '26

Stéphane Galland submitted an update to the ciad-beamertheme package. Version: 20260520 License: lgpl3 other-nonfree Summary description: Announcement text: -------------------------------------------------------------------------------- The font size of side notes (typically created with \sidenote{} or \sidecite{}) is dynamically computed so that the content fits within the graphical area reserved for the side notes. This adaptation consists of reducing the font size when needed. -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/beamer-contrib/themes/ciad-be… More information is at https://ctan.org/pkg/ciad-beamertheme -------------------------------------------------------------------------------- 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: zebra
by CTAN Announcements 21 May '26

21 May '26

Ruini Xue submitted an update to the zebra package. Version: 2.0.0 2026-05-20 License: lppl1.3c Summary description: Writing revision toolkits Announcement text: ---------------------------------------------------------------------- Improve compatibility. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/zebra The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/zebra/ ------------------------------------------------------------------------ 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: fcolumn
by CTAN Announcements 21 May '26

21 May '26

Edgar Olthof submitted an update to the fcolumn package. Version: 1.4.5 2026-05-20 License: lppl1.3 Summary description: Typesetting financial tables Announcement text: ---------------------------------------------------------------------- Update of fcolumn to ensure a smooth transition to the June 1, 2026 LaTeX kernel. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/fcolumn The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/fcolumn/ ------------------------------------------------------------------------ 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: luaoptions
by CTAN Announcements 21 May '26

21 May '26

Erik Nijenhuis submitted an update to the luaoptions package. Version: 0.9 2026-05-20 License: mit Summary description: Announcement text: -------------------------------------------------------------------------------- Bug fixes: - Fix trailing space in \setluaoption (by Derek Erdmann) - Fix log file location determination -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/luaoptions More information is at https://ctan.org/pkg/luaoptions -------------------------------------------------------------------------------- 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: bodeplot
by CTAN Announcements 21 May '26

21 May '26

Rushikesh Kamalapurkar submitted an update to the bodeplot package. Version: 3.1 2026-05-19 License: lppl1.3c Summary description: Draw Bode, Nyquist and Nichols plots with gnuplot or pgfplots Announcement text: ---------------------------------------------------------------------- New features: 1) If Python with scipy and numpy is available with --shell-escape then pole zero maps can be plotted for systems in TF format using \PoleZeroMapTF and the \BodeTF and \addBodeTFPlots commands support linear and asymptotic approximations. 2) If Python with scipy and numpy is available with --shell-escape then the phase plots in pgf mode are no longer wrapped. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/bodeplot The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pgf/contrib/bodeplot/ ---------------------------------------------------------------------- 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: lua-placeholders
by CTAN Announcements via ctan-ann 20 May '26

20 May '26

Erik Nijenhuis submitted an update to the lua-placeholders package. Version number: 2.0.2 2026-05-19 License type: lppl1.3c Summary description: Specifying placeholders for demonstration purposes Announcement text: ---------------------------------------------------------------------- Bugs fixes: - Fixed "Incomplete \ifx" when \loadrecipe was called more than once with recipes that declared the same bool key. - Fixed namespace.parse_filename returning the wrong segment for paths whose parent directory contained a dot (e.g. ~/texmf.d/<dir>/x.yaml resolved to "texmf" instead of "x"). - \loadrecipe now raises an error when a second call resolves to a namespace name that already has a recipe loaded, instead of silently overwriting it ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/generic/lua-placeholders More information is at https://www.ctan.org/pkg/lua-placeholders ------------------------------------------------------------------------ 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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