7.9.1 Top new questions this week

7.9.1.1 What's new in TeX, version 3.141592653?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581118

A new version of TeX has been released by Donald Knuth this month (January 2021), and its version number is 3.141592653 now. What has changed since the previous release, version 3.14159265, from seven ... 
[tex-core] [knuth]
 

asked by ShreevatsaR https://tex.stackexchange.com/landing/r/digest?cta=user&id=48 10 votes

7.9.1.2 The relationship between circular motion and simple harmonic motion in LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581360

Preface: I am completely unskilled and I ask my apologizes to everyone, but this question is for my students. I have not found an animated .gif or animations on the web that explains simple harmonic ... 
[tikz-pgf] [pstricks] [asymptote] [animations] [animate]
 

asked by Sebastiano https://tex.stackexchange.com/landing/r/digest?cta=user&id=117876 9 votes

answered by Pumuckl https://tex.stackexchange.com/landing/r/digest?cta=user&id=234180 15 votes

7.9.1.3 Indexing in partial decimal order, Luke 10:25 after Luke 1:5

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581025

I'm working on a document that makes a lot of references to the bible, and I have two indexes set up, one of topics and the other by verse. Currently, in the index by verse, Luke 10:25 is indexed ... 
[indexing]
 

asked by Ben Crowell https://tex.stackexchange.com/landing/r/digest?cta=user&id=6853 8 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 12 votes

7.9.1.4 How can I avoid a "too big sqrt" when using underbrace

https://tex.stackexchange.com/landing/r/digest?cta=question&id=580989

Code Sample: 
\sqrt{\underbrace{\det((D\varphi)^T)}_{\det(D\varphi)} \det(D\varphi)} 
Produces: 
The problem: By using the underbrace, it is set in the square root and not under the square root - so ... 
[underbrace] [sqrt]
 

asked by ATW https://tex.stackexchange.com/landing/r/digest?cta=user&id=200181 8 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 9 votes

7.9.1.5 How to create a Matrix with Label on its top?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581886

I've been trying to create a matrix (displayed in the image below), and I haven't been able to figure out so far. 
I've tried the following code (as an example), but its not quite the same as you can ... 
[matrices] [blkarray]
 

asked by Anees https://tex.stackexchange.com/landing/r/digest?cta=user&id=199028 6 votes

answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 6 votes

7.9.1.6 Macron accent above some Cyrillic letters is shifted

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581561

Consider the following MWE: 
\documentclass{scrartcl} 
\usepackage{polyglossia} 
\usepackage{fontspec} 
\setdefaultlanguage{russian} 
\setmainfont{EB Garamond} 
\newfontfamily\cyrillicfont{EB Garamond} 
\... 
[cyrillic] [macron]
 

asked by facetus https://tex.stackexchange.com/landing/r/digest?cta=user&id=29546 6 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes

7.9.1.7 expl3 problem, File ended while scanning use of \__file_parse_version:w

https://tex.stackexchange.com/landing/r/digest?cta=question&id=581409

today I ran into a problem while compiling a .tex document. (I'm compiling with the Sublime Text 3 Build command) The minimal working example looks like this. 
\documentclass[a4paper, 10pt]{article} 
\... 
[biblatex] [pdftex] [babel] [expl3]
 

asked by Ondra https://tex.stackexchange.com/landing/r/digest?cta=user&id=234266 6 votes

answered by moewe https://tex.stackexchange.com/landing/r/digest?cta=user&id=35864 5 votes