Overview of jBallerina 1.2.5

The jBallerina 1.2.5 patch release improves upon the 1.2.0 release by introducing the features listed below and addressing a number of bugs and improvements.

You can use the update tool to update to jBallerina 1.2.5 as follows.

For existing users:

If you are already using jBallerina version 1.2.0, or above, you can directly update your distribution to jBallerina 1.2.5 by executing the following command:

ballerina dist update

However, you need to use the following commands instead of the above if you have installed:

  • jBallerina 1.2.0 but switched to a previous version: ballerina dist pull 1.2.5
  • a jBallerina version below 1.1.0: install via the installers

For new users:

If you have not installed jBallerina, then download the installers to install.

Standard library

  • The capability to validate the JWT signature with JWKs is extended now. With that, the JWT signature can be validated either from the TrustStore configuration or JWKs configuration
  • Undo the deprecation of the ballerinax/java.jdbc module and continue to support it in 1.2.x releases


  • Azure Functions support
  • Prometheus support for kubernetes annotations


  • Added --home-cache flag to build and run commands to specify an alternative balo cache directory
  • Maven resolver support and other improvements to the bindgen tool
  • Update tool support for swan lake release channel