Page History

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Application Programming Interface

The application programming interface updates in this release relate to correcting response headers.

• Content-Type header on container HEAD requests mirrors those returned on GET
• Link header of ldp:constrainedBy added to responses of requests to create an ldp:Resource
• Link headers included on /fcr:versions resources
• Link headers included on /fcr:fixity resources

Deprecations

This is the final release to include the XACML and RBACL authorization modules. Subsequent Fedora releases will only include the WebAC authorization module.

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1. Adds a new option to allow a client to overwrite what were server managed triples
   • -Dfcrepo.properties.management=relaxed
2. Allows incoming blank nodes to be skolemized as hash URIs instead of placed in the /.well_known/genid location
   
   1. -Dfcrepo.bnode.hash-uri=<true|false>
3. Allow use of S3 for storage (Beta)

HTML User Interface

Performance

Performance

This release adds two new configuration options targeting improved performance:

1. Ability to increase the ModeShape cache size from the default 10,000 (repository.json)
2. Ability to enable parallel generation of RDF response streams
   
   • -Dfcrepo.streaming.parallel=true

Preservation

This release includes an update to fixity result responses on fixity failures such that the digest algorithm used in performing the check (in the case where an algorithm other than the default SHA-1 is used) is returned to the client.

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Numerous bug fixes and clean-up tasks were addressed in this release, including:

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