4.41.3 Can you answer these questions?

4.41.3.1 Tcbtheorem with crosslinking
4.41.3.2 lyx "error converting to loadable format"
4.41.3.3 Use short description of caption in figure title
4.41.3.1 Tcbtheorem with crosslinking

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=461551

I had created a document with problems. 
Some feature I implemented  is a click on the problem number, which leads to the answer at the end of the document and vice versa (look MWE). 
My  ... 
[theorems] [tcolorbox] [ntheorem] [answers] [hyperlink]
 
asked by sergiokapone https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=66024 1 vote
4.41.3.2 lyx "error converting to loadable format"

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=461820

I have very much the same problem mentioned in a past thread (Lyx, Error Converting to Loadable Format for PDFs), but the fixes described in that did not work (checking Lyx preferences, updating GS  ... 
[lyx]
 
asked by Stefano https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=175529 1 vote
4.41.3.3 Use short description of caption in figure title

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=461984

I just wrote a long 200 pages documents with Latex, and realized a small issue. All my figure have the following format: 
\documentclass[a4paper,11pt,fleqn]{book} 
\usepackage[T1]{fontenc} 
... 
[captions]
 
asked by Julia Scivi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=175590 1 vote
answered by Julia Scivi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=175590 0 votes