ctan-ann September 2026

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CTAN update: siunitx
by CTAN Announcements 16 Sep '26

16 Sep '26

Joseph Wright submitted an update to the siunitx package. Version: 3.6.0 2026-09-15 License: lppl1.3c Summary description: A comprehensive (SI) units package Announcement text: ------------------------------------------------------------------------ ### Added - MathML intent to unit output (where available) - `\l_siunitx_number_mode_str` and `\l_siunitx_unit_mode_str` - `\siunitx_quantity_parse:nnNN`, `\siunitx_unit_parse:nN` (see issue [\#864](https://github.com/josephwright/siunitx/issues/864)) - `\l_siunitx_unit_prefix_to_power_prop` and `\l_siunitx_unit_power_to_prefix_prop` (see issue [\#864](https://github.com/josephwright/siunitx/issues/864)) ### Changed - Output entire quantity in single math mode block if possible (improves tagged PDF results) - Automatically adjust output decimal marker based on BCP-47 data (see issue [\#758](https://github.com/josephwright/siunitx/issues/758)) ### Deprecated - Option `locale` ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/siunitx The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/siunitx/ ------------------------------------------------------------------------ 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: linguexx
by CTAN Announcements 16 Sep '26

16 Sep '26

Gerhard Schaden submitted an update to the linguexx package. Version: 1.3.1 2026-09-15 License: lppl1.3c Summary description: A tagging-aware package for typesetting linguistic examples and glosses Announcement text: ------------------------------------------------------------------------ Version 1.3 omitted the source file for the manual; 1.3.1 corrects this issue. This version also contains a minor bugfix for gloss alignment. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/linguexx The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/linguexx/ ------------------------------------------------------------------------ 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: expltools
by CTAN Announcements 16 Sep '26

16 Sep '26

Vít Starý Novotný submitted an update to the expltools package. Version: 2026-09-15 License: lppl1.3c gpl2+ Summary description: Development tools for expl3 programmers Announcement text: -------------------------------------------------------------------------------- ## expltools 2026-09-15 ### explcheck v0.23.1 #### Fixes This version of explcheck has fixed the following problems: - Do not report issue W429 (Defined an unexpandable function as unprotected) for indirect function definitions or function variants derived from fully or restricted-expandable functions. (reported by @u-fischer and @muzimuzhi in #223, fixed in #224) #### Documentation This version of explcheck has made the following improvements to the documentation: - Link [blog post about TUG 2026][Expl3-Linter-12] from `README.md`. (0dd48cb) [Expl3-Linter-12]: https://witiko.github.io/Expl3-Linter-12/ "Static analysis of expl3 programs (12): Expltools goes to Canada" #### Dependencies This version of explcheck has made the following changes to third-party Git submodules and other dependencies: - Update the `latex3` submodule from 2026-05-26-dev to 2026-09-09-dev. (4731ae7, 8cfa5cc, 7e544b0) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/support/expltools More information is at https://ctan.org/pkg/expltools -------------------------------------------------------------------------------- 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: beamertheme-tcolorbox
by CTAN Announcements 16 Sep '26

16 Sep '26

Samcarter submitted an update to the beamertheme-tcolorbox package. Version: 1.5 2026-09-15 License: lppl1.3c Summary description: A beamer/ltx-talk inner theme to reproduce standard beamer blocks using tcolorboxes Announcement text: ------------------------------------------------------------------------ ### Changed - adjust to new opacity grouping for tcolorbox/ltx-talk (needs ltx-talk v0.6.4) ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/beamertheme-tcolorbox The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/beamer-contrib/themes/beamert… ------------------------------------------------------------------------ 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: dfg-crc
by CTAN Announcements 16 Sep '26

16 Sep '26

Lukas C. Bossert submitted an update to the dfg-crc package. Version: 0.2.0 2026-09-14 License: lppl1.3c Summary description: Create DFG Collaborative Research Centre proposals and CVs Announcement text: ------------------------------------------------------------------------ Version 0.2.0 adds project-specific whole-entry bibliography emphasis, more flexible collaboration and Gantt plots, and clearer plot and list commands. It refines binding, thumb-index, table, and caption layouts. The manual now opens with a template overview and keeps release history in a separate changelog. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/dfg-crc The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/luatex/latex/dfg-crc/ ------------------------------------------------------------------------ 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: changepage
by CTAN Announcements 16 Sep '26

16 Sep '26

The LaTeX Project Team submitted an update to the changepage package. Version: 2.0b 2026-09-15 License: lppl1.3 Summary description: Margin adjustment and detection of odd/even pages Announcement text: -------------------------------------------------------------------------------- 2.0a 2026-09-14 Added support for tagging of the adjustwidth and adjustwidth* environments: If `\DocumentMetadata` is used, they are no longer defined as a list. 2.0b 2026-09-15 corrected file name chgnpage.sty to chngpage.sty -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/changepage More information is at https://ctan.org/pkg/changepage -------------------------------------------------------------------------------- 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 15 Sep '26

15 Sep '26

Joseph Wright submitted an update to the ltx-talk package. Version: 0.6.4 2026-09-14 License: lppl1.3c Summary description: A class for typesetting (accessible) presentations Announcement text: -------------------------------------------------------------------------------- ## [v0.6.4] - 2026-09-14 ### Changed - Automatically apply opacity grouping to `tcolorbox` environments (see issue [\#256](https://github.com/josephwright/ltx-talk/issues/256)) -------------------------------------------------------------------------------- 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: asymptote
by CTAN Announcements 15 Sep '26

15 Sep '26

John Bowman submitted an update to the asymptote package. Version: 3.15 License: lgpl3 Summary description: 2D and 3D TeX-Aware Vector Graphics Language Announcement text: ------------------------------------------------------------------------ Unnecessary recompilation of the Vulkan, OpenGL, and WebGL shaders is avoided. An orthographic projection bug in the WebGL renderer was fixed. The empty version string in non-git builds was fixed. The Windows installer now detects a running asy.exe. A meaningful error message is shown for 3D scenes when the Windows Vulkan software renderer is unavailable, instead of exiting. An exit-time issue in non-IBL OpenGL scenes was fixed. Relocatable builds now use an empty sysdir. The release tarball now ships stripped binaries. Build issues were addressed; the minimum autoconf requirement was lowered. ------------------------------------------------------------------------ The package’s Catalogue entry can be viewed at https://ctan.org/pkg/asymptote The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/asymptote/ ------------------------------------------------------------------------ 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: pgf-PeriodicTable
by CTAN Announcements 15 Sep '26

15 Sep '26

Hugo Gomes submitted an update to the pgf-PeriodicTable package. Version: 2.1.7 2026-09-13 License: lppl1.3 Summary description: Create custom periodic tables of elements Announcement text: -------------------------------------------------------------------------------- *** v2.1.7 (13/09/2026) *** Fixed an issue that occurred under certain conditions, resulting in incorrect sizing of cell contents Reinsertion of 'The Commands' section in the manual (omitted by mistake in v2.1.6) -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/pgf-periodictable More information is at https://ctan.org/pkg/pgf-periodictable -------------------------------------------------------------------------------- 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: tikzphysics
by CTAN Announcements 14 Sep '26

14 Sep '26

Vaibhav Blayer submitted an update to the tikzphysics package. Version: 1.3.0 License: lppl1.3c Summary description: TikZ-native shapes and anchors for classical physics diagrams Announcement text: -------------------------------------------------------------------------------- tikzphysics 1.3.0 adds continuous tapered pulley edges to the left-, right-, and two-wall platform shapes. The pulley edge presets retain one closed, patterned platform path while providing a projecting pulley centre, an inset wall root, and named or numeric anchors along the transition. Shared and side-specific inset/drop keys support symmetric and asymmetric platforms. The in-picture key and anchor reference includes the new controls. This release also adds a reproducible single-file Overleaf bundle and changes the default pulley axle-dot radius from 2pt to 1.5pt. -------------------------------------------------------------------------------- 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 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-ann September 2026