11.17.1 Top new questions this week

11.17.1.1 TL2025 + Lualatex + Stix 2: Upright integral symbol has become the default
11.17.1.2 Increasing Numerical Accuracy in LaTeX Calculations
11.17.1.3 Is this possible to give AltText for Display Math
11.17.1.4 TexLive 2025 + pretest
11.17.1.5 Working with vectors in tikz and pgfplots
11.17.1.6 How to use math subscript in an expl3 coffin
11.17.1.7 Image of Knuth measuring glyphs
11.17.1.1 TL2025 + Lualatex + Stix 2: Upright integral symbol has become the default

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738724

Since I upgraded to TL2025 (MacTeX 2025), the integral symbol is upright by default when using LuaLaTeX+UnicodeMath+Stix2. The result is OK, i.e., one gets a sloped integral symbol, when using XeLaTeX.... 
[xetex] [luatex] [texlive] [unicode-math] [stix2]
 
asked by Vincent J https://tex.stackexchange.com/landing/r/digest?cta=user&id=383388 Score of 14
answered by Khaled Hosny https://tex.stackexchange.com/landing/r/digest?cta=user&id=729 Score of 14
11.17.1.2 Increasing Numerical Accuracy in LaTeX Calculations

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738543

Ia^\200\231m working with logarithmic scales in LaTeX and have noticed that LaTeX -- specifically, the pgfmath package --produces quite inaccurate results. For example, consider the following calculation, ... 
[pgfmath]
 
asked by khpe https://tex.stackexchange.com/landing/r/digest?cta=user&id=47110 Score of 10
answered by Alain Matthes https://tex.stackexchange.com/landing/r/digest?cta=user&id=3144 Score of 14
11.17.1.3 Is this possible to give AltText for Display Math

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738468

I got AltText for images by using the following method: 
\DocumentMetadata{testphase={phase-III,table},testphase=math} %add more modules as needed 
\documentclass{book} 
\usepackage{amssymb,amsfonts}% 
\... 
[tagged-pdf] [alttext]
 
asked by GowriSaro https://tex.stackexchange.com/landing/r/digest?cta=user&id=263616 Score of 8
answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 Score of 7
11.17.1.4 TexLive 2025 + pretest

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738473

I've installed on my machine a prerelease of the TeXlive 2025. When I start compile I get the output 
This is LuaHBTeX, Version 1.21.0 (TeX Live 2025) 
restricted system commands enabled. 
(/home/lw/... 
[luatex]
 
asked by LeO https://tex.stackexchange.com/landing/r/digest?cta=user&id=48642 Score of 7
11.17.1.5 Working with vectors in tikz and pgfplots

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738814

I want to create some vector graphs but I have some problems to figure out how to do this properly in tikz/pgfplots. Here is my code which role i to plot one vector and then plot another one which is ... 
[tikz-pgf] [pgfplots] [tikz-arrows]
 
asked by Mr.Hedge https://tex.stackexchange.com/landing/r/digest?cta=user&id=271285 Score of 6
answered by Rmano https://tex.stackexchange.com/landing/r/digest?cta=user&id=38080 Score of 4
11.17.1.6 How to use math subscript in an expl3 coffin

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738610

When using the xcoffins interface for coffins, it is possible to put (more or less) complex math like an integral with limits in a coffin like this: 
% This works 
\NewCoffin \MytestCoffin 
\... 
[math-mode] [expl3] [xcoffins]
                                                                                  

                                                                                  
 
asked by Wamseln https://tex.stackexchange.com/landing/r/digest?cta=user&id=74131 Score of 6
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6
11.17.1.7 Image of Knuth measuring glyphs

https://tex.stackexchange.com/landing/r/digest?cta=question&id=738802

I remember once seeing a photo of Knuth measuring glyphs when working on METAFONT. The glyphs (probably drawn by hand) were projected very large onto a wall or screen with an overhead projector. 
My ... 
[metafont] [tex-history]
 
asked by lhf https://tex.stackexchange.com/landing/r/digest?cta=user&id=324 Score of 5