For the shown MWE, I am using Lualatex (Babel: default language = Arabic) + Biblatex. Citations are prepared from resources with various languages.In the bibliography, I have noticed the following:

the indentation in languages other than the default language is not correct thus the reference in the bibliography overlap with the reference numbers (There is no indentation between reference number and the reference itself)

Brackets for reference numbering in bibliography apear reversed, the take the form ]ref.no[ instead of [ ref.no ]

Only the "Printbibliography" command works, if I try to use the one which filters references in bibliography according to keyword, nothing appears

How can I align the title of each section of the biliography according to the used language (For RTL language, it is RHS aligned and the reverse for LTR languages)

You can also refer to:

https://tex.stackexchange.com/questions/574907/biblatex-alignment-for-numeric-style-multilingual-bibliography

https://tex.stackexchange.com/questions/597340/bibliography-settings-in-biblatex

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\documentclass[a4paper,12pt,twoside]{book}

%===========================================================================%CROSS-Referencing
%===========================================================================
\usepackage{tocbibind}

\usepackage[%
hidelinks,
hyperindex,
colorlinks=true,
breaklinks,
allcolors=blue]{hyperref}

\usepackage{bookmark}

%===========================================================================%Babel Package Settings%
%===========================================================================
\usepackage{filecontents}

\usepackage[bidi=basic,layout=lists.tabular]{babel}
\babelprovide[import=ar,mapdigits,main]{arabic}
\babelprovide[import=en,language=Default]{english}

\babelfont{rm}{Latin Modern Roman}
\babelfont[arabic]{rm}{Simplified Arabic}
\babelfont[english]{rm}{Times New Roman}

\babelcharproperty{980000}[990000]{direction}{al}

%============================================================%BIBLIOGRAPHY SETTINGS%
%============================================================\begin{filecontents}{\jobname.bib}
@book{Sharoni1969,
author = {ميخائيل، ملاك and الشاروني، حبيب},
year = {1969},
title = {المرجع فى قواعد اللغة القبطية},
address = {الاسكندرية},
publisher = {جمعية مارمينا العجايبي},
keywords = {Arabic},
langid = {arabic}
} @book{Browning1983,
author = {Browning, Robert},
year = {1983},
title = {Medieval and Modern Greek},
publisher = {Cambridge University Press},
keywords = {English},
langid = {english}
} @book{bob,
author = {Browning, Robert},
year = {1983},
title = {Medieval and Modern Greek},
publisher = {Cambridge University Press},
keywords = {English},
langid = {english}
} \end{filecontents}

\begin{filecontents}{arabic.lbx}
\ProvidesFile{arabic.lbx}
\InheritBibliographyExtras{english}
\DeclareBibliographyStrings{%
inherit = {english},
and = {{و}{و}},
page = {{صفحة}{صفحة}},
pages = {{صفحات}{صفحة}},
references = {{مراجع}{مراجع}},
seenote = {{انظر الملاحظة}{انظر الملاحظة}},
} \end{filecontents}

\usepackage{csquotes}
\DeclareQuoteStyle{arabic}
{\guillemotleft}
{\guillemotright}
{\textquotedblright}
{\textquotedblleft}

\usepackage[%
language=autobib,
autolang=other,
citestyle=numeric-comp,
bibstyle=numeric,
backend=biber,
doi=false,
isbn=false]{biblatex}

\addbibresource{\jobname.bib}

%=================================================%Start actual document %
%==================================================\begin{document}

\begin{otherlanguage}{english}
mmmmm
\cite{Browning1983}
\cite{Sharoni1969}
\cite{bob}
\newline
mmmm
\newline
erer \cite{Browning1983}
\newline
erer \cite{Sharoni1969}
\newline
erer \cite{bob}
\newline
mmmm
\cite
{ Browning1983,
Sharoni1969}
\newline
mmmm
\cite{Browning1983,Sharoni1969}
\\
mmmm
\cites[30]{bob}[40]{bob}[60]{Sharoni1969}{Browning1983}
\newline
mmmmm
\cites
[30]{bob}
[40]{bob}
[60]{Sharoni1969}
{Browning1983}

\end{otherlanguage}

\printbibliography

\end{document}

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