Title: MAT2 0.4.0
Date: 2018-10-03 16:45

There is a new minor version of MAT2, the [0.4.0](https://0xacab.org/jvoisin/mat2/tags/0.4.0),
with some interesting changes. It's also the first release of mat2
[included in Debian]( https://tracker.debian.org/pkg/mat2 )
thanks to [georg](https://nm.debian.org/person/georg).

# Changelog

- There is now a policy, for advanced users, to deal with unknown embedded fileformats.
  Should the unknown files be kept? removed? the process immediately aborted?
	You can now chose!
- Various minor refactoring
- Improve how corrupted PNG are handled
- Dangerous/advanced cli's options no longer have short versions
- Significant improvements to office files anonymisation
	- Archive members are sorted lexicographically
	- XML attributes are sorted lexicographically too
	- RSID are now stripped
	- Dangling references in `[Content_types].xml` are now removed
- Significant improvements to office files support
	- Anonimysed office files can now be opened by MS Office without warnings
- The CLI isn't threaded anymore, for it was causing issues
- Various misc typo fix
- Documentation improvements


# Conclusion

This release was mostly about fixing the issues about MS Office related
documents reported by [dkg](https://www.aclu.org/bio/daniel-kahn-gillmor).
MAT2 is now removing way more fingerprintable metadata than before,
is more robust and produce files that can now be opened by MS Office
without a single warning!

Since I was told that this release will be the first one to go into Debian
(yay!), I didn't plan much for the next one, because odds are that the new
users will likely find a ton of bugs that I'll have to fix.

As usual, help is [more than welcome](https://0xacab.org/jvoisin/mat2/issues?label_name%5B%5D=good+first+issue).