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Additionally, numerous bugs and housekeeping issues were addressed.
Note: The reason this release is 4.2.0 instead of 4.1.2 is because the required version of Java was upgraded to Java8 per the project policy [3].

Updates

Audit Service

1. Establish framework for capturing internal and external events in an external triplestore
2. Establish framework for persisting internal and external events within the repository
3. Create administrator documentation [4]

Related JIRA Issue

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1. With the migration-utils utility [5], enable the following types of migration from Fedora 3 to Fedora 4
   
   1. Simple RDF datastreams
   2. Redirect datastreams
   3. External datastreams
   4. Datastream properties
   5. RDF properties in RELS-INT datastreams
   6. Legacy-FS FOXML

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1. Update Fedora 4 Java Client library to [6] to:
   1. Support property updates on Non-RDF Source Descriptions
   2. Support creation of Fedora 4 "external" content with "message/external-body" content-type

...

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All Issues

References

[1] https://wiki.duraspace.org/display/FF/Downloads
[2] http://docs.fcrepo.org

[3] https://wiki.duraspace.org/display/FF/Policy+-+Supported+JVM
[14]  https://wiki.duraspace.org/display/FF/DownloadsFEDORA4x/Setup+Audit+Service
[25]  httphttps://github.com/fcrepo4-labs/migration-utils
[6] https://docs.fcrepo.org
github.com/fcrepo4-labs/fcrepo4-client