biblatex fails to patch the latest \MakeUppercase / \MakeLowercase

Robert Alessi alessi at robertalessi.net
Sun Jul 3 15:43:56 CEST 2022


Dear all,

With the latest update of latex, biblatex now returns the following
errors:

! Package biblatex Error: Patching \MakeUppercase failed.

...

! Package biblatex Error: Patching \MakeLowercase failed.

which does not happen if I use latex-dev.

Robert


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