title: Cayenne 4.2 Final Released date: 2023-05-25T18:00:00+03:00 extensions: [“definitionLists”]

Apache Cayenne team is really glad to announce a final (general availability) release of Cayenne 4.2. A brief overview of changes since 4.1 includes:

  • Runtime

    • Callback annotations on entity classes
    • Customizable SQL generator API
    • Nested queries
    • Ordering on aggregate functions
    • Property API made type-specific
    • Custom functions and operators in queries
    • New attributes types: JSON, geospatial

  • Modeler

    • Acquire JDBC drivers from Maven Central
    • Improvements to attribute and relationships mapping
    • Lots of bug fixes in DB Import, etc.

  • Deprecations (to be removed in 5.0)

    • ROP-related modules
    • cayenne-web
    • Clustering transports (cayenne-xmpp, etc.)

Full release notes can be read here.

Cayenne Framework and Modeler can be downloaded here.

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Updates since the last release candidate (4.2.RC2)

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Changes/New Features:

  • {{% jira 2802 %}} Upgrade Gradle to 7.6.1
  • {{% jira 2805 %}} Stop calling exp parser internally

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Bug Fixes:

  • {{% jira 2552 %}} ColumnQuery with flattened attributes bug
  • {{% jira 2783 %}} DbEntity to ObjEntity synchronization should check mandatory flag for primitive java types
  • {{% jira 2789 %}} MalformedJsonException thrown when reading manually edited JSON data in Postgres
  • {{% jira 2790 %}} EOModel import: NPE importing EOFetchSpecification
  • {{% jira 2792 %}} Fix Insertion Order For Reflexive DataObjects
  • {{% jira 2794 %}} Fix Incorrect JavaType for Vertical-Inheritance Attributes
  • {{% jira 2796 %}} Cayenne custom json formatter produces invalid json
  • {{% jira 2800 %}} Modeler saves map.xml files with schema ordering error
  • {{% jira 2801 %}} Incorrect equals() implementation in IdGenerationMarker could cause data missing in the commit