usepackage[
backend=biber,
autolang=hyphen, %which parameters are important when changing languages according to entry language id in the database
citestyle=authoryear, %style when citing, try authoryear-icomp
bibstyle=authoryear-icomp, % manuscripts, %authoryear-icomp, %style in the bibliography
maxbibnames=3, %how many names before et. al in the bibliography
maxcitenames=2, % how many names before et. al in the running text.
language=auto,
isbn=false,
defernumbers=true, % for subbibliographies (tib, skr etc.)
autocite= superscript,
url=true,
dashed=false,
doi=true,
sortlocale=auto,
]{biblatex}%this style compresses the numbering
addbibresource{C://thesisbibfile/thesisbibfile.bib}

Currently my code is:

%%%%% Appearance of Bibliography with Author year Tag

%%%%
makeatletter
setlength{bibitemsep}{0.5baselineskip plus 0.5baselineskip}

newsaveboxay@labelbox
newlength{labwidthsameline}
setlength{labwidthsameline}{8em}   % the {xem} defines the length of the label: best is either 2 or 9 em

newbibmacro{labelwidthbib}{%
    begingroup
    scriptsize    %SIZE OF THE LABEL %footnotesize works with 8.5 or 9 em
    DeclareFieldFormat{bibhyperref}{scshape##1}%
    csuse{blx@hook@cite}%
    csuse{blx@hook@citekey}%
    citetrackerfalsepagetrackerfalsebacktrackerfalse
    defcounter{maxnames}{blx@maxcitenames}%
    usebibmacro{cite}%
    endgroup
}
%-----------------------
newbibmacro{kicklabel}{%
    sboxay@labelbox{usebibmacro{labelwidthbib}}%
    globaltogglefalse{blx@insert}%
    ifdimwday@labelbox>labwidthsameline
    leavevmodenewline
    fi
}

defbibenvironment{bibliography}%
{list
    {usebibmacro{labelwidthbib}}%
    {setlength{labelwidth}{labwidthsameline}%
        setlength{leftmargin}{labelwidth}%
        setlength{labelsep}{biblabelsep}%
        addtolength{leftmargin}{labelsep}%
        setlength{itemsep}{bibitemsep}%
        setlength{parsep}{bibparsep}%
        renewcommand*{makelabel}[1]{##1hss}}}%
{endlist}%
{itemusebibmacro{kicklabel}}
makeatother


%%% End of Appearance of Bibliography with Author year Tag