What's new

Warning: You can't upgrade DB Connect directly from versions earlier than 3.18.0 to versions 4.0.0 or later. Make sure to follow upgrade path guide.

If you have already performed an unsupported direct upgrade, refer to the Splunk DB Connect failures after upgrading to 4.x.x troubleshooting guide.

4.2.0

Version 4.2.0 of Splunk DB Connect was released on February 2, 2026 and contains the following new or changed features:

  • Improved checkpoint synchronization for High Availability clusters to ensure a consistent state across all members.
  • Prevented parallel execution of the same input in High Availability clusters, reducing the risk of data duplication.
  • Added automatic leader re-election in High Availability clusters to improve resiliency and availability.
  • Added support for Databricks as a data source.
  • Extended table-level filtering with search support.
  • Added the ability to open database connections directly from the Input, Output, Lookup, and Query Explorer views.
  • Removed custom access control definitions from app.conf to avoid unintended global permission impacts.
  • Introduced a Java diagnostics option in configuration settings to simplify troubleshooting and performance analysis.
  • Replaced the hardcoded JDBC driver version with automatic retrieval during installation from the Splunk DB Connect UI.
  • Enhanced UI validation by introducing a new validation framework with clearer and more consistent messages.
  • Improved JVM options configuration, adding support for multi-line input to make editing easier.