(This is the old default behaviour. In future versions the --minimize
    option might be removed again.)

    which lets dpkg always choose the default action when a modified conffile
    is found. This options will make piuparts ignore errors it was designed
    to report and therefore should only be used to hide problems in
    dependent packages. (Closes: #466118)

pedantic when checking if a purged package leaves files behind. 
If this option is not set, files left in /tmp are ignored. 
(Closes: #528266)

(plus some sorting in piuparts.1.txt)

the chroot was setup. (Closes: #466043)

    Thanks again to Patrick Schoenfeld for his help.

upgrade-test-chroot-tgz not being set in the configuration. Thanks to Carl
Chenet and Patrick Schoenfeld for the patch. (Closes: #519192)

    /etc/apt/apt.conf.

debootstrap (defaults to /usr/share/keyrings/debian-archive-keyring.gpg)
and --do-not-verify-signatures to not use --keyring with debootstrap.
(Closes: #545907)

    with --variant=minbase instead of --resolv-deps now and because if a 
    base.tgz or an lvm snapshot is specified, piuparts should not touch it.
    (Closes: #539142)
  * TODO: decide whether to add a --minimize option or to remove the
    debfoster code. 
* debian/NEWS

the patch. (Closes: #440151)  

  - Add support for using LVM snapshots. Thanks to
    Patrick Schoenfeld for the patch. (Closes: #559449)

to Michael Vogt. (Closes: #559299)

(prepare release which doesnt FTBFS)

Krzysztof Klimonda.

for spotting it.

  - added to self.ignored_patterns:
    - /var/cache/man(/.*)/index.db (Closes: #550953)
  - removed from self.ignored_files:
    - /var/cache/man/index.db