diffoscope 333 released 💠

Chris Lamb chris at reproducible-builds.org
Fri Oct 9 18:17:35 UTC 2026


Hi,

The diffoscope maintainers are pleased to announce the release of
version 333 of diffoscope.

diffoscope tries to get to the bottom of what makes files or
directories different. It will recursively unpack archives of many
kinds and transform various binary formats into more human-readable
form to compare them. It can compare two tarballs, ISO images, or PDF
just as easily.

Version 333 includes the following changes:

  [ Johannes Schauer Marin Rodrigues ]
  * Add support for showing differences in POSIX.1-2001 PAX headers within .tar
    files.

  [ Chris Lamb ]
  * Re-order various parts of the tar comparator to make it easier to
    progressively delve into its functionality.
  * Reflect that the use of the "case-match" language feature requires at least
    Python 3.10+. This can be worked around if it causes problems - let us know.
  * Update various copyright years.

## Download

Version 333 is available from Debian as well as PyPI, and will
shortly be available on other platforms shortly. More details can be
found here:

   https://diffoscope.org/

… but source tarballs may be located here:

  https://diffoscope.org/archive/

The corresponding Docker image may be run via (for example):

  $ docker run --rm -t -w $(pwd) -v $(pwd):$(pwd):ro \
      registry.salsa.debian.org/reproducible-builds/diffoscope a b


## Contribute

diffoscope is developed within the "Reproducible builds" effort.

  - Git repository
    https://salsa.debian.org/reproducible-builds/diffoscope

  - Docker image, eg.
    registry.salsa.debian.org/reproducible-builds/diffoscope
    https://salsa.debian.org/reproducible-builds/diffoscope

  - Issues and feature requests
    https://salsa.debian.org/reproducible-builds/diffoscope/issues

  - Contribution instructions (eg. to file an issue)
    https://reproducible-builds.org/contribute/salsa/


Regards,

-- 
      o
    ⬋   ⬊      Chris Lamb
   o     o     reproducible-builds.org 💠
    ⬊   ⬋
      o


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