Typo in documentation section 7.3
The example code in section 7.3 Referencing sub-figures without sub-captions of the documentation has a \begin{subcaptiongroup}
but a non matching \end{subcaptionblock}
in the CTAN version 1.6b 2023-07-28 and thus does not compile. I would highly recommend correcting this using either subcaptiongroup
or subcaptionblock
.