9.34.3 Can you answer these questions?

9.34.3.1 tex4ebook: Issues with sections in ebooks
9.34.3.2 Forest package - Drop nodes to lowest possible layer
9.34.3.3 Errors submitting to Arxiv - several issues
9.34.3.1 tex4ebook: Issues with sections in ebooks

https://tex.stackexchange.com/landing/r/digest?cta=question&id=686240

In an old version of tex4ebook (beginning of 2022), sections worked fine. With the current version, however, I run into issues and cannot compile the file anymore. I use the arguments -a debug -c ... 
[sectioning] [make4ht] [tex4ebook] [epub]
 
asked by Jack https://tex.stackexchange.com/landing/r/digest?cta=user&id=179378 Score of 1
9.34.3.2 Forest package - Drop nodes to lowest possible layer

https://tex.stackexchange.com/landing/r/digest?cta=question&id=686395

I have the following forest code: 
\documentclass{article} 
\usepackage[linguistics]{forest} 
\begin{document} 
\begin{forest} 
for tree={ 
if n children=0{ 
font=\scshape, 
... 
[tikz-pgf] [diagrams] [forest] [trees]
 
asked by Mew https://tex.stackexchange.com/landing/r/digest?cta=user&id=203081 Score of 1
9.34.3.3 Errors submitting to Arxiv - several issues

https://tex.stackexchange.com/landing/r/digest?cta=question&id=686081

I am trying to submit an article to Arxiv and getting some latek related errors! I made the paper in overleaf and then clicked submit and submit to arxiv and downloaded the zip file it generated with ... 
[errors] [arxiv]
 
asked by mathpun314 https://tex.stackexchange.com/landing/r/digest?cta=user&id=297281 Score of 1