Updated templates for pandoc 3.1.2

default.latex

@@ -33,6 +33,9 @@ $if(background-image)$
 \usebackgroundtemplate{%
   \includegraphics[width=\paperwidth]{$background-image$}%
 }
+% In beamer background-image does not work well when other images are used, so this is the workaround
+\pgfdeclareimage[width=\paperwidth,height=\paperheight]{background}{$background-image$}
+\usebackgroundtemplate{\pgfuseimage{background}}
 $endif$
 \usepackage{pgfpages}
 \setbeamertemplate{caption}[numbered]
@@ -289,7 +292,12 @@ $if(svg)$
 $endif$
 $if(strikeout)$
 $-- also used for underline
-\usepackage{soul}
+\ifLuaTeX
+  \usepackage{luacolor}
+  \usepackage[soul]{lua-ul}
+\else
+  \usepackage{soul}
+\fi
 $endif$
 \setlength{\emergencystretch}{3em} % prevent overfull lines
 \providecommand{\tightlist}{%
@@ -355,13 +363,16 @@ $if(babel-lang)$
 $if(mainfont)$
 \ifPDFTeX
 \else
-\babelfont[$babel-lang$]{rm}{$mainfont$}
+\babelfont[$babel-lang$]{rm}[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}
 \fi
 $endif$
 $endif$
 $for(babel-otherlangs)$
 \babelprovide[import]{$babel-otherlangs$}
 $endfor$
+$for(babelfonts/pairs)$
+\babelfont[$babelfonts.key$]{rm}{$babelfonts.value$}
+$endfor$
 % get rid of language-specific shorthands (see #6817):
 \let\LanguageShortHands\languageshorthands
 \def\languageshorthands#1{}