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New on CTAN: relatese
by CTAN Announcements 01 Jun '26

01 Jun '26

Francisco Mariano Neto submitted the relatese package. Version: 0.3 2026-05-30 License: lppl1.3c Summary description: General report helper package Announcement text: ---------------------------------------------------------------------- relatese is a small LaTeX helper package for scientific reports. It provides geometry presets, compact defaults for lists and captions, optional mathematical notation commands, figure and table helpers, scientific-writing support through siunitx and mhchem, and optional reference support through biblatex, hyperref, and cleveref. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/relatese The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/relatese/ ------------------------------------------------------------------------ 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: latex-base
by CTAN Announcements 01 Jun '26

01 Jun '26

The LaTeX Project Team submitted an update to the latex-base package. Version: 2026-06-01 License: lppl1.3c Summary description: Announcement text: -------------------------------------------------------------------------------- See LaTeX News 43 -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/base More information is at https://ctan.org/pkg/latex-base -------------------------------------------------------------------------------- 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: hawkdraw
by CTAN Announcements 31 May '26

31 May '26

Jasper Habicht submitted an update to the hawkdraw package. Version: 0.0.8 2026-05-30 License: lppl1.3c Summary description: Draw vector graphics using l3draw with a simple syntax Announcement text: ---------------------------------------------------------------------- - Improving mapping functionality; - Adding mechanism to place arrow heads on paths; - Adding `at part` option for circles, ellipses and rectangles; - Adding `sloped` option for nodes; - Adding support for referencing anchors of nodes; - Adding possibility to reference points in calculations. ---------------------------------------------------------------------- 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 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: latex-papersize
by CTAN Announcements 31 May '26

31 May '26

Silas S. Brown submitted an update to the latex-papersize package. Version: 1.67 License: apache2 Summary description: Calculate LaTeX settings for any font and paper size Announcement text: ---------------------------------------------------------------------- This is a minor update to silence security scanners, see discussion on https://github.com/TeX-Live/texlive-source/pull/84 ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/latex-papersize The package’s files themselves can be inspected at https://mirrors.ctan.org/support/latex-papersize/ ------------------------------------------------------------------------ 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 via ctan-ann 31 May '26

31 May '26

Vít Starý Novotný submitted an update to the expltools package. Version number: 2026-05-29 License type: lppl1.3c gpl2+ Summary description: Development tools for expl3 programmers Announcement text: ---------------------------------------------------------------------- ## expltools 2026-05-29 ### explcheck v0.22.0 #### New features This version of explcheck has implemented the following new features: - Add more support for flow analysis. (#218) This adds support for the following issues from the document titled [_Warnings and errors for the expl3 analysis tool_][warnings-and-errors]: 1. W517 (Unused variable or constant) - In the semantic analysis, add a call type for standalone variable or constant control sequences. (#213, #215) Previously, standalone variable or constant control sequences were considered other unrecognized tokens. This has improved [code coverage][] by 33,294 expl3 tokens (~0.4% of all expl3 tokens) on TeX Live 2025. - Perform semantic analysis on boolean expression segments. (#213, #215) - Detect boolean expression segments in calls to control sequences like `\bool_if:nTF`. (#215, #217) - Emit both `VARIABLE_DECLARATION` and `VARIABLE_DEFINITION` statements for constant definitions like `\tl_const:Nn`. (#218) Previously, only a `VARIABLE_DEFINITION` statement would have been produced, requiring special-casing for issues like W415 (Unused variable or constant), W416 (Setting an undeclared variable), and W419 (Using an undeclared variable or constant). - In flow analysis, draw `VARIABLE_USE` and `VARIABLE_USE_RETURN` edges. (#218) - Include the number of reaching definition loops in verbose command-line output. (#218) #### Fixes This version of explcheck has fixed the following problems: - Do not report issue W415 (Unused variable or constant) for defined box variables. (reported by @dcpurton in #214, fixed in #216) Defining box variables can have useful side effects even if the variable isn't used elsewhere. - In the semantic analysis, consider `\⟨type⟩_log:*` a variable use. (#217) - Reduce false positive detections of issues E408 (Calling an undefined function), E411 (Indirect function definition from an undefined function), and W416 (Setting an undeclared variable). (#218) This was achieved by using pattern-based matching for only partially understood variable declarations and function definitions. #### Warnings and errors This version of explcheck has made the following changes to the document titled [_Warnings and errors for the expl3 analysis tool_][warnings-and-errors]: - Remove planned issue W511 (Defined an expandable function as protected), since it doesn't actually constitute an issue: there are good reasons to protect a function from expansion, even if it is otherwise expandable. (#213) #### Housekeeping This version of explcheck has completed the following housekeeping tasks: - Reduce repetition in the function `analyze_group_wide_statements()` from `explcheck-semantic-analysis.lua` by introducing two new mechanisms: maybe-trackers and statement category lists and indices. (#217) #### Continuous integration This version of explcheck has made the following changes to our continuous integration (CI): - In the CI, force flow analysis for TeX Live 2025 rather than the latest TeX Live, so that we can compare the diff against our 2025 baselines. (ea03ec0) - In the CI, check that the `lua-toml` submodule is up-to-date even if checking the `latex3` submodule failed. (340f6bc) #### Dependencies This version of explcheck has made the following changes to third-party Git submodules and other dependencies: - Update the `latex3` submodule from 2026-04-28-dev to 2026-05-15-dev. (85b126a) [code coverage]: https://witiko.github.io/Expl3-Linter-11/#code-coverage [warnings-and-errors]: https://github.com/witiko/expltools/releases/download/latest/warnings-and-e… ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/support/expltools More information is at https://www.ctan.org/pkg/expltools ------------------------------------------------------------------------ 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: luadraw
by CTAN Announcements via ctan-ann 31 May '26

31 May '26

Patrick Fradin submitted the luadraw package. Version number: 3.1 2026-05-29 License type: lppl1.3c Summary description: Lua-based mathematical graphs for LuaLaTeX Announcement text: ---------------------------------------------------------------------- The *luadraw* package defines the environment of the same name, which lets you create mathematical graphs (2D and 3D) using the Lua language. These graphs are ultimately drawn by TikZ (and automatically saved). ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/luatex/latex/luadraw More information is at https://www.ctan.org/pkg/luadraw ------------------------------------------------------------------------ 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: atomicreactions
by CTAN Announcements 30 May '26

30 May '26

B. Michel Döhring submitted the atomicreactions package. Version: 1.0 License: lppl1.3c Summary description: Simple representation of atomic shell reactions and Bohr model Announcement text: -------------------------------------------------------------------------------- Simple representation of atomic shell reactions and Bohr model -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/graphics/pgf/contrib/atomicreactions More information is at https://ctan.org/pkg/atomicreactions -------------------------------------------------------------------------------- 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 30 May '26

30 May '26

The LaTeX Project Team submitted an update to the l3kernel package. Version: 2026-05-26 License: lppl1.3c Summary description: Announcement text: -------------------------------------------------------------------------------- ## [2026-05-26] ### Added - Symbolic support for variadic functions (issue \#1306) ### Changed - Extend docs for `\keys_if_exist:n(TF)` (see issue \#1902) - Anticipate ranges in catcode-in-class mode (issue \#1903) ### Fixed - Nested inheritance of key defaults (issue \#1901) -------------------------------------------------------------------------------- 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: match_parens
by CTAN Announcements 30 May '26

30 May '26

Wybo H. Dekker submitted an update to the match_parens package. Version: 1.46 License: gpl Summary description: Find mismatches of parentheses, braces, (angle) brackets, in texts Announcement text: ---------------------------------------------------------------------- Options --Help and --test did not work (thanks Werner Lemberg) ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/match_parens The package’s files themselves can be inspected at https://mirrors.ctan.org/support/match_parens/ ------------------------------------------------------------------------ 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: pst-hertz
by CTAN Announcements 30 May '26

30 May '26

Herbert Voß submitted the pst-hertz package. Version: 0.1 2026-05-29 License: lppl Summary description: Draws the electromagnetic field of a Hertzian Dipole Announcement text: ---------------------------------------------------------------------- pst-hertz draws the electromagnetic field of a Hertzian Dipole ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/pst-hertz The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pstricks/contrib/pst-hertz/ ------------------------------------------------------------------------ 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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