About this Release

What is new in this release

WSO2 CEP version 4.2.0 is the successor of version 4.1.0. It contains the following new features and enhancements.

• Performance improvements to achieve reduced latency per event.
• Introduction of new inbuilt windows in Siddhi including externalTimeBatch and externalTime.
• Introduction of new aggregators in Siddhi including Distinct Count, Forever Maximum and Forever Minimum.
• Introduction of new functions in Siddhi including Split.
• Implementation of Event Window in Siddhi.
• Improvements to the Analytics Dashboard and the gadget generating tool.

Compatible WSO2 product versions

The following products were tested for compatibility with WSO2 CEP 4.2.0.

• Data Analytics Server 3.1.0
• Enterprise Service Bus 5.0.0
• Machine Learner 1.2.0
• Message Broker 3.1.0
• Identity Server 5.2.0

What is changed in this release

• The Execution Manager tool is replaced by the Template Manager tool with enhanced functionality.

Fixed issues

This release includes several bug fixes.

For a complete list of issues fixed in this release, see CEP 4.2.0 - Fixed Issues.

Known issues

For a complete list of known issues in this release, see CEP 4.2.0 - Known Issues.