h5py compares the current version of hdf5 (libhdf5-hl-320,
libhdf5-openmpi-320) against the version it was built against,
and prints a warning message if they don't match
(currently 2.2.0 vs 2.1.0).

libhdf5 is otherwise (supposed to be) ABI compatible,
but it would be better to not have h5py print those warnings,
hence requesting binNMU.

nmu h5py_3.16.0-5 . ANY . unstable . -m "rebuild against HDF5 2.2.0"

We believe that the bug you reported is fixed in the latest version of
h5py, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1145902@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Drew Parsons <dparsons@debian.org> (supplier of updated h5py package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sat, 29 Aug 2026 10:09:44 +0200
Source: h5py
Architecture: source
Version: 3.16.0-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
Changed-By: Drew Parsons <dparsons@debian.org>
Closes: 1145902
Changes:
 h5py (3.16.0-6) unstable; urgency=medium
 .
   * debian patch abi_compatible_PR2955.patch applies upstream PR#2955
     to check for HDF5 v2 ABI compatibility before emitting a version
     mismatch warning. Closes: #1145902
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