Log Message:
Downgraded to version 11.1.1, dependency removal on jaraco.util introduced
20 dependencies that are not documented, plus a bug on egg info file generation.

These chances are reverted back:

12.0
    Remove dependency on jaraco.util. Instead depend on surgical packages.
    Deprecated irc.logging in favor of jaraco.logging.
    Dropped support for Python 3.2.