May26 news: TUGboat, TUG'26+other events, accessible math, CTAN

Hello TUG members,

The first issue of TUGboat for 2026 is at the printer and will be
making its way to members in May. The second issue this year will be the
TUG'26 proceedings as usual (deadline: July 26), and we also welcome
articles for the third issue at any time (deadline: October 23).
  https://tug.org/TUGboat/

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TUG 2026 will take place in Calgary, Alberta, Canada,
from July 17-19 (Fri-Sun), 2026, with a LaTeX developers' workshop on
tagged PDF on Thursday July 16.
  https://tug.org/tug2026/

Conference information and the registration form are now available:
  https://tug.org/tug2026/register.html

Although the initial deadline for presentation proposals passed, we will
continue to welcome and appreciate all submissions, both in-person and
remote, as long as the schedule is open. Email with a title and abstract
is fine. Information:
  https://tug.org/tug2026/cfp.html

The venue is the Alt Hotel Calgary East Village:
  https://www.germainhotels.com/en/alt-hotel/calgary-east-village
The deadline for hotel reservations is June 16, but we strongly
recommend reserving earlier. The group booking link is on the conference
web page.

The local organizer is Max Chernoff. As always, the conference committee
is happy to provide any assistance we can; you can email us for all
questions and suggestions at [email protected]

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Other upcoming events:

- GUTenberg Expos\'es mensuels, online video presentations, in French:
  June 4, 2026: Frederic Bour on TeXpresso
  July 2, 2026: Damien Megy on luahyperbolic
  https://www.gutenberg-asso.fr/-Exposes-mensuels-

- OSSConf 2026, July 1-3, 2026, University of \v{Z}ilina, Slovakia,
  will have a dedicated TeX+R session. The conference will be multilingual.
  https://ossconf.fri.uniza.sk/

- ConTeXt meeting 2026: Maibach, Germany, August 24-29, 2026.
  Theme: Focussing.
  https://meeting.contextgarden.net/2026/

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The LaTeX Liasion Working Group at the PDF Association has published a
Best Practice Guide for accessible math:
  https://pdfa.org/resource/best-practice-guide-math-in-pdf/

See also:
  https://latex-project.org/news/2026/04/23/PDFA-BPG-math/

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New CTAN packages, April 2026 (for all updates: https://ctan.org/ctan-ann):

Information about any CTAN package is available at
  ctan.org/pkg/PACKAGE-NAME

- biblatex-abs-annote, abstracts and annotations for BibLaTeX
- biblatex-ams, aMS-compatible style for Biber/BibLaTeX
- bibleref-sbl, sBL style for the bibleref and bibleref-parse packages
- cardgame, typeset custom playing cards for printing
- chalk-annotate, chalk-textured annotations for Beamer presentations
- ciad-beamertheme, a beamer theme for creating modern presentations
- clawxiv, provenance typesetting for human--AI collaborative writing
- cleveref-icelandic, icelandic grammatical declension for cleveref xrefs
- countwords, exact word counts, stored in LaTeX counters, using Lua
- delvierre, LaTeX journal article class and example template for Delvierre
- dirtreex, directory tree rendering for LaTeX with TikZ
- ecnuthesis, thesis Template for East China Normal University (ECNU)
- eurion, eURion constellation overlay for LaTeX documents
- fits-astro, retrieving FITS file header information in LuaTeX
- glmatrix, linear algebra calculations using scalars, vectors, and matrices
- ltmermaid, embed Mermaid diagrams in LaTeX
- lua-list-hyphen, per-language listing of hyphenated words for LuaLaTeX
- lucide-admonitions, rendering admonition boxes in multiple languages
- mohelper, draw fully customizeable MO diagrams
- mystyletau, custom Tau glyphs for topology
- pst-spectrum, output of a color spectrum for different color models
- query-astro, querying astronomical databases in LaTeX
- register-transfer-level, high-quality RTL diagrams
- sblarticle, a LaTeX class for SBL style articles and papers
- sblbook, a LaTeX class for SBL style print ready books
- sblfonts, font and language set up for SBL style documents
- sblidx, a LaTeX package for SBL style indices
- sblreport, a LaTeX class for SBL style theses
- smartnotes, visually anchored margin notes with connector lines and
  dynamic placement
- sneaker, configurable Sneakers with TikZ
- spim-phdthesisthemes, SPIM (France) doctoral school support
- statementsp, theorem and proposition boxes with preview and recall functions
- user-persona, User Persona sheets for UX and HCI (Human-Computer Interaction)
- utbmciad-report, U. Belfort Montb\'eliad support
- uvlhighlight, syntax Highlighting for Universal Variability Language

Happy \TeX{}ing,
Karl Berry, on behalf of the TUG Board