11.41.3 Can you answer these questions?

11.41.3.1 Beamer Boxed Sections Produces PDFs that Cannot be Printed by Adobe Acrobat

https://tex.stackexchange.com/landing/r/digest?cta=question&id=746138

\documentclass{beamer} 
\usetheme{Rochester} 
\AtBeginSection[]{ 
\begin{frame} 
\vfill 
\centering 
\begin{beamercolorbox}[sep=8pt,center,shadow=true,rounded=true]{title} 
\usebeamerfont{... 
[beamer] [printing] [adobe] [shadows] [acrobat]
 

asked by John https://tex.stackexchange.com/landing/r/digest?cta=user&id=388111 Score of 1

11.41.3.2 BibLaTeX: How to combine the use of 'related' entries and 'singletitle'?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=746299

I want to make use of the related field in BibLaTeX to show where an old work was reprinted. The work with the reprint has also some own text, so I want to cite it separately. In my citation-style I ... 
[biblatex]
 

asked by K-HB https://tex.stackexchange.com/landing/r/digest?cta=user&id=169990 Score of 2

11.41.3.3 biblatex: how to load dbx files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=746163

I know how to load .bbx and .cbx files, 
just 
\usepackage[style=xxx]{biblatex} 
loads both, xxx.bbx and xxx.cbx... but I find nowhere how to load .dbx files. 
Is it possible that there is an option ... 
[biblatex]
 

asked by user2609605 https://tex.stackexchange.com/landing/r/digest?cta=user&id=60463 Score of 2