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CTAN update: l3experimental
by CTAN Announcements 25 May '26

25 May '26

The LaTeX Project Team submitted an update to the l3experimental package. Version: 2026-05-15 License: lppl1.3c Summary description: Announcement text: -------------------------------------------------------------------------------- ## [2026-05-15] ### Changed - Clear the global drawing layer box upon saving (see issue \#1894) -------------------------------------------------------------------------------- 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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CTAN update: l3kernel
by CTAN Announcements 25 May '26

25 May '26

The LaTeX Project Team submitted an update to the l3kernel package. Version: 2026-05-15 License: lppl1.3c Summary description: LaTeX3 programming conventions Announcement text: -------------------------------------------------------------------------------- ## [2026-05-15] ### Changed - Update `T` and `B` pole adjustments to mitigate incorrect pole selection in deeply-nested or self-joined coffins (issue \#445) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/required/l3kernel More information is at https://ctan.org/pkg/l3kernel -------------------------------------------------------------------------------- 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: mcf2graph
by CTAN Announcements 25 May '26

25 May '26

Akira Yamaji submitted an update to the mcf2graph package. Version: 5.31 2026-05-24 License: mit Summary description: Announcement text: -------------------------------------------------------------------------------- -fix bug of ?wf,?w,?zf,?z -update mcf2graph.mp -update MCF manual,example -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/mcf2graph More information is at https://ctan.org/pkg/mcf2graph -------------------------------------------------------------------------------- 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: bookmark
by CTAN Announcements 23 May '26

23 May '26

The Oberdiek Package Support Group submitted an update to the bookmark package. Version: 1.32 2026-05-21 License: lppl1.3c Summary description: A new bookmark (outline) organization for hyperref Announcement text: ---------------------------------------------------------------------- * Driver options are now obsolete and ignored. The backend is detected automatically. * Driver files have been renamed to follow the names of LaTeX backend files. * The package uses now the LaTeX key-value system for the options to avoid option clash errors if the package is loaded more than once. * The documentation is now tagged. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/bookmark The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/bookmark/ ------------------------------------------------------------------------ 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: OpTeX
by CTAN Announcements 23 May '26

23 May '26

Petr Olšák submitted an update to the OpTeX bundle. Version: 1.20 License: pd Summary description: LuaTeX format based on Plain TeX and OPmac Announcement text: ---------------------------------------------------------------------- Box-direction dependent macros corrected / reimplemented (thanks Udi-Fogiel). Extensible arrows implemented in math.opm package. A filter for creating bib. references enabled. \mathadef, \inspicto, \ordnum, \tracingnone, \verbhyphens introduced, \frquotes redefined. Various little bugs fixed. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/optex The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/optex/ ------------------------------------------------------------------------ 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: 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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