Overview of jBallerina 1.2.9

The jBallerina 1.2.9 patch release improves upon the 1.2.8 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 1.2.9 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 1.2.9 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 1.2.9
  • 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


Improved logging for transactions. Redundant info logs were changed to debug logs.

  • Upgraded the Netty framework version to 4.1.50 and upgraded the SnakeYAML version to 1.26
  • Added support for disabling the SSL certificate validation for HTTP2 clients

Added support to read custom/optional fields from the OAuth2 introspection response


Improved the concurrent behavior of the cache