News

RDF4J 4.1.1 and 4.0.5 are now available. RDF4J 4.1.1 is a patch release fixing 13 bugs and 1 security vulnerability (CVE-2020-36518 in FasterXML Jackson Databind). Two of the issues fixed in 4.1.1, including the security vulnerability, have been backported and released as 4.0.5.

For more details, have a look at the 4.1.1 release notes and 4.0.5 release notes.

RDF4J 4.1.0 is now available.

A few notable features:

• Major performance improvements[1]
  • 3x higher throughput for concurrent queries with the Memory Store
  • 25x faster deletion with the Native Store
  • 6x faster evaluation of SPARQL queries using MINUS with the Memory Store
  • 2-3x faster evaluation of most SPARQL queries with the Memory Store
  • Faster SPARQL query parsing
  • Faster SHACL validation
  • Passing the RDFS Reasoner Challenge posted by Justin
• LMDB Store is available in the server and workbench
• Fuzzy prefix support in the Lucene Sail
• Improved handling of low memory in the Memory Store
• Improvements to the Spring Components

For more details, have a look at the release notes.

RDF4J 4.0.4 is now available. This is a patch release fixing 2 bugs.

For more details, have a look at the release notes.

Milestone number 1 of the upcoming 4.1.0 minor release of RDF4J is now available for download.

A few notable features:

• Major performance improvements[1]
  • 3x higher throughput for concurrent queries with the Memory Store
  • 25x faster deletion with the Native Store
  • 6x faster evaluation of SPARQL queries using MINUS with the Memory Store
  • 2-3x faster evaluation of most SPARQL queries with the Memory Store
  • Faster SPARQL query parsing
  • Faster SHACL validation
  • Passing the RDFS Reasoner Challenge posted by Justin
• LMDB Store is available in the server and workbench
• Fuzzy prefix support in the Lucene Sail
• Improved handling of low memory in the Memory Store
• Improvements to the Spring Components

This milestone build is not yet feature-complete, but we are publishing it in order to receive early feedback on all the changes and improvements. Feedback on the performance and integrity of the revamped internals of the Memory Store is especially welcome, as is feedback on the various deprecations related to query evaluation.

RDF4J 4.0.3 is now available. This is a patch release fixing 2 bugs.

For more details, have a look at the release notes.

RDF4J 4.0.2 is now available. This is a patch release fixing 8 issues.

For more details, have a look at the release notes.

RDF4J 4.0.1 is now available. This is a patch release fixing 8 bugs.

For more details, have a look at the release notes.

RDF4J 4.0.0 is a major release of the RDF4J framework, focusing on improved performance and improved maintainability. We’ve done a massive clean up of the project structure, which will make it easier to deliver new features in this and future releases. In total, we addressed over 100 issues. Highlights include:

Milestone number 3 of the upcoming 4.0.0 release of RDF4J is now available for download.

RDF4J 4.0.0 is a major release of the RDF4J framework, focusing on improved performance and improved maintainability. We’ve done a massive clean up of the project structure, which is intended to make it easier to deliver new features in this and future releases.

Some of the highlights covered in this third milestone:

• improved normalization of BCP47 language tags
• type/language-based filtering in Lucene full-text search
• support for concurrent reads on a single connection
• storing SHACL Shapes in user specified graphs docs
• various performance improvements in Native/LMDB/Memory stores

For more details see the release notes.

RDF4J 3.7.7 is now available. This is a patch release fixing 2 bugs, including a potential security issue in our Spring dependencies.

For more details, have a look at the release notes.