\documentclass{scrartcl}
\usepackage[T1]{fontenc}
\usepackage{libertine}

\usepackage{enotez}
\usepackage{kantlipsum}

\DeclareInstance{enotez-list}{section}{paragraph}{heading=\section{#1}}
\setenotez{split=section,list-style=section,reset}
% customize the titles in between, e.g.:
% \setenotez{split-sectioning=textbf,split-title=\par\noindent<name> <ref>:}

\usepackage{fnpct}
\AdaptNote\endnote\multendnote

\usepackage{mwe}
\usepackage[colorlinks]{hyperref}

\begin{document}

\tableofcontents

\section{Test}
Text\endnote{\kant[1]}. Text\endnote{\kant[2]}. Text\endnote{This time
with a \textbf{nested}\multendnote{\kant[3];\kant[4]} endnote.}.
Text\multendnote{\kant[5];\kant[6]}.
\begin{figure}[htp]
 \centering
 \includegraphics[width=.4\linewidth]{example-image-a}
 \caption[caption]{Some text\endnote{An endnote with a nested endnote\endnote{\kant[7]}
 inside a figure caption.}.}
\end{figure}

\section{Test}
Text\endnote{\kant[8]}. Text\endnote{\kant[9]}. Text\endnote{This time
with a \textbf{nested}\endnote{\kant[10]} endnote.}. Text\endnote{\kant[11]}.

\appendix
\printendnotes


\end{document}