biblatex with ieee style not working anymore (biblatex-ieee)

Question

I have a problem with my bibliography. After updating all packages with MikTeX, biblatex throws errors. I have uninstalled and installed MikTeX and Texmaker several times, this did not help. After a closer look I think I found the source of the problem. They have released an update of the biblatex-ieee package, and it seems that it does not work properly anymore.
% not working anymore, with the latest version of biblatex-ieee package
usepackage[style=ieee]{biblatex} 
! Package biblatex-ieee Error: Failed to update citation style.See the biblatex-ieee package documentation for explanation.Type H <return> for immediate help.... ...p,cite:comp:end,cite:comp:inset,cite:dump}

% what's working
usepackage[style=ieee-alphabetic]{biblatex}

So my question: Does anyone know how to fix this problem?
I was thinking of installing the old version of the package, but I don't know how to do that.

maerkl24 · Accepted Answer

Thanks for the information @Ulrike Fischer, i didn't notice that the miktex version (1.3b) is not the latest version of ctan (1.3c). As solution i downloaded the newest files from ctan and overwrote the older files located in my miktex installation. Now everything works as expected again.

Correct answer by maerkl24 on May 23, 2021

Joseph Wright · Answer

This issue is fixed in the latest release of biblatex-ieee., v1.3c. The change relates to updates to biblatex itself, rather than to anything in biblatex-ieee. Moreover, only yhe citation style is affected: your bibliography will continue to work even if you have not updated to v1.3c.

For the present, you could add
% The second step is to replace multicitedelim and
% multicitesubentrydelim with a version wrapped in
% the appropriate delimiter.
renewcommand*{do}[1]{%
  expandafterpatchcmdexpandafter
    {csname abx@macro@detokenize{#1}endcsname}%
    {multicitedelim}
    {bibclosebracketmulticitedelimbibopenbracket}
    {}
    {%
      PackageError{biblatex-ieee}{Failed to update citation style}@ehc
    }%
  }
docsvlist{cite:comp:end,cite:comp:inset,cite:comp:shand,cite:dump}

renewcommand*{do}[1]{%
  expandafterpatchcmdexpandafter
    {csname abx@macro@detokenize{#1}endcsname}%
    {multicitesubentrydelim}
    {bibclosebracketmulticitesubentrydelimbibopenbracket}
    {}
    {%
      PackageError{biblatex-ieee}{Failed to update citation style}@ehc
    }%
  }
docsvlist{cite:comp:inset,cite:dump:inset}

% There's also one multiciterangedelim and one
% multicitesubentryrangedelimto alter.
expandafterpatchcmdexpandafter
  {csname abx@macro@detokenize{cite:dump}endcsname}%
  {multiciterangedelim}
  {bibclosebracketmulticiterangedelimbibopenbracket}
  {}
  {%
    PackageError{biblatex-ieee}{Failed to update citation style}@ehc
  }%

expandafterpatchcmdexpandafter
  {csname abx@macro@detokenize{cite:dump:inset}endcsname}%
  {multicitesubentryrangedelim}
  {bibclosebracketmulticitesubentryrangedelimbibopenbracket}
  {}
  {%
    PackageError{biblatex-ieee}{Failed to update citation style}@ehc
  }%

after loading biblatex to get the right behaviour: you'll still have the warning at point-of-loading, but the output would be fixed.

biblatex with ieee style not working anymore (biblatex-ieee)

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