for sending a mail immediately by-passing the zope.sendmail delivery
        mechanism

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o Issue deprecation warning on import of the Interface package). That package
  is already gone on the trunk.

Merged the slinkp-datetime-200007 branch: fix the DateTime(anotherDateTime) constructor to preserve timezones.

'unrestrictedTraverse' (apparent NameError).

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o Also, use tagged release of ZODB-based externals.