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RDF4J 4.2.1 is a patch release that fixes 11 issues.

For a complete overview, see all issues fixed in 4.2.1.


The following vulnerable dependencies have been upgraded:

  • All dependencies related to Spring (upgraded to version 5.3.23)
  • All dependencies related to Spring Boot (upgraded to version 2.7.5)
  • All dependencies related to Fasterxml Jackson (upgraded to version 2.13.4)
  • Apache Commons Text (upgraded to version 1.10.0)


This release was made possible by contributions from Bart Hanssens, Håvard M. Ottestad, Denitsa Stoianova, Patrick Wyler, and Andreas Schwarte.

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