evolution-plugins-experimental 3.12.11-0ubuntu3 (arm64 binary) in ubuntu vivid

 Evolution is a groupware suite which integrates mail, calendar,
 address book, to-do list and memo tools.
 .
 This package includes plugins for Evolution. The plugins belong
 to the set of "experimental" plugins, which are unsupported, have
 undergone little testing, and might cause problems to the rest of
 Evolution. Use with care.
 .
 The following plugins are included.
  - external-editor
  - contacts-map