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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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CTAN update: scripture
by CTAN Announcements via ctan-ann 29 May '26

29 May '26

David Purton submitted an update to the scripture package. Version number: 2.3 2026-05-29 License type: lppl1.3c Summary description: A LaTeX style for typesetting Bible quotations Announcement text: ---------------------------------------------------------------------- Changes for version 2.3: - support ltmarks for headings and verses - RTL fixes ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/scripture More information is at https://www.ctan.org/pkg/scripture ------------------------------------------------------------------------ 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: fcolumn
by CTAN Announcements 29 May '26

29 May '26

Edgar Olthof submitted an update to the fcolumn package. Version: 1.4.6 2026-05-27 License: lppl1.3 Summary description: Typesetting financial tables Announcement text: ---------------------------------------------------------------------- Intermediate version, ensuring 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: dirtreex
by CTAN Announcements 29 May '26

29 May '26

CloudCauldron submitted an update to the dirtreex package. Version: 1.1 2026-05-27 License: lppl1.3c Summary description: Directory tree rendering for LaTeX with TikZ Announcement text: ---------------------------------------------------------------------- This release brings native support for verbatim paths, new archive entry types, and removes the legacy 'environ' dependency in favor of LaTeX's native environment hooks. New Features: - \archive & \verbarchive: New container-style entries that render without the trailing slash, designed for archive files (e.g., .zip, .tar.gz). The \verb... variant utilizes xparse's verbatim argument, allowing paths with special characters to survive without escaping; - \verbdir & \verbfile: Verbatim siblings of \dir and \file, safely handling path names containing _, $, &, #, ^, ~, %, \, {, }, or |; - Line style per-entry override: A new override key accepting any TikZ line-style token; - Public \DirtreexGetField{idx}{slot}: Allows user-supplied \renewcommand\DirtreexFormatName hooks to read stored entry fields safely without \makeatletter. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/dirtreex The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/dirtreex/ ------------------------------------------------------------------------ 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: tcolorbox
by CTAN Announcements via ctan-ann 29 May '26

29 May '26

Thomas F. Sturm submitted an update to the tcolorbox package. Version number: 6.10.0 2026-05-28 License type: lppl1.3 Summary description: Coloured boxes, for LaTeX examples and theorems, etc. Announcement text: ---------------------------------------------------------------------- ### Added - Documentation: - Examples for `halign code` and warning at `halign` (issue #361) - Macro `\renewthetcbcounter` to allow redefinition of `\thetcbcounter` - Alias `counter within` for `number within` - Alias `counter within from` for `number within from` - Library `theorems`: - Options `ams subequations`, `ams subequations upper`, and `ams subequations lower` (issue #366) - Options `ams subequations align`, `ams subequations align upper`, and `ams subequations align lower` - Options `ams subequations gather`, `ams subequations gather upper`, and `ams subequations gather lower` - Library `documentation`: - More semantic description in key documentation (issue #354) - Options `doclang/default`, `doclang/initially`, `doclang/initiallyempty`, `doclang/nodefault`, `doclang/noinitially` - `\tcbdocdescNoDefaultInit`, `\tcbdocdescInitEmpty`, `\tcbdocdescInit`, `\tcbdocdescDefault`, `\tcbdocdescDefaultInitEmpty`, `\tcbdocdescDefaultInit` - Options `doc description no default init`, `doc description init empty`, `doc description init`, `doc description default`, `doc description default init empty`, `doc description default init` - List of choices inside `\docKeyChoices`, `doc key choices` now take options `default`, `init`, `defaultinit` - Options `doc parameter eq`, `doc parameter eq meta`, `doc parameter eq marg`, `doc parameter eq meta*`, `doc parameter eq marg*` - Options `doc parameter marg`, `doc parameter oarg`, `doc parameter marg marg`, `doc parameter oarg marg`, `doc parameter marg oarg` ### Changed - Required LaTeX version bumped to 2025-06-01 - Internal code changes - Tagging code adapted to fix https://github.com/latex3/tagging-project/issues/1114 - Implementation for numbered boxes is partially rewritten using the L3 API - Documentation: Replace `minted2` with `minted` v3 for production since `minted` v3.8.0 has fixed incompatibility with Python 3.14 (https://github.com/gpoore/minted/issues/463) - Documentation: Manually composed label references replaced by `\zvref` (where sensible, issue #348) ### Fixed - Library `documentation`: - Add missing spaces in a `\docKeyChoices` warning (pull request #360) - Documentation for `index key formatter`, `index key formatters`, `page ref formatter`, `ctan formatter` - Changelog typos corrected (pull request #359) - `\thetcbcounter` was not completely redefined using `\counterwithout` / `\counterwithin` (issue #362) - Code style improved with explcheck (issue #235) ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/tcolorbox More information is at https://www.ctan.org/pkg/tcolorbox ------------------------------------------------------------------------ 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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