\documentclass[a5paper,11pt]{article}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{microtype}
\usepackage[pdfusetitle,hidelinks]{hyperref}
\usepackage[polutonikogreek,main=english]{babel}
\usepackage[pangram]{blindtext}

\usepackage[series={A},noend,nocritical,noeledsec]{reledmac}
\usepackage[nomaxlines,shiftedpstarts]{reledpar}
\maxhnotesX{0.2\textheight}
\beforenotesX{5pt}
\setgoalfraction{0.95}
\begin{document}

\date{}
\title{Parallel setting}
\maketitle

\begin{abstract}
This file provides an example of the way reledpar is synchronizing parallel pages with the \verb+nomaxlines+ and \verb+shiftedpstarts+ setting.
\end{abstract}


\begin{pages}
    \begin{Leftside}
        \selectlanguage{greek}
        \beginnumbering
            \pstart
                1. \blindtext[21]
            \pend\pstart
                2. \blindtext[10]
                \footnoteAnomk{\selectlanguage{english}\blindtext[13]}
            \pend\pstart
                3. \blindtext[6]
            \pend\pstart
                4. \blindtext[6]
            \pend
            \pstart
                5. \blindtext[6]
            \pend
        \endnumbering
    \end{Leftside}
    \begin{Rightside}
        \beginnumbering
            \pstart
                1. \blindtext[22]\footnoteAmk
            \pend\pstart
                2. \blindtext[12]
            \pend\pstart
                3. \blindtext[12]
            \pend
            \pstart
                4. \blindtext[12]
            \pend
            \pstart
                5. \blindtext[12]
            \pend
        \endnumbering
    \end{Rightside}
\end{pages}
\Pages

\end{document}
