# WSO2 Carbon 4.0.0-SNAPSHOT Release Notes

### 23 Jul 2012

WSO2 Carbon is the base platform for all WSO2 products. It is a lightweight, high performing platform which is based on OSGI technology. All the major features which are included in WSO2 products have been developed as pluggable Carbon components and installed into this base Carbon platform. Carbon base platform includes many key features that are used by all products which runs on top of it.

An open source product, WSO2 Carbon is available under the Apache Software License (v2.0)

## What's New In This Release

- Embedded Tomcat v7 migration.
- Transactions support based on Atomikos JTA implementation.
- Various bug fixes(https://wso2.org/jira/browse/CARBON/fixforversion/xxxxx) & enhancements including stabilizing WSO2 Carbon.

## Key Features

- Provisioning support through p2 - The Feature Manager which comes with WSO2 Carbon can be used to install any Carbon feature (A collection of OSGi bundles) into Carbon core. This can be used to create a customized Carbon based product according to user requirements.
- Carbon UI framework - The base framework for UI bundles.
- User management - Management of users and roles are completely handled by Carbon core.
- Registry - The Registry API comes from Carbon core.
- Patching capabilities - Provides the basic infrastructure for patching existing bundles.

## Known Issues

1. All known issues have been recorded at https://wso2.org/jira/browse/CARBON

## Reporting Problems

Issues can be reported using the public JIRA available at https://wso2.org/jira/browse/CARBON

## Contact us

WSO2 Carbon developers can be contacted via the mailing lists:
Carbon Developers List: carbon-dev@wso2.org
Carbon Architecture List: architecture@wso2.org
For details on subscriptions see http://wso2.org/mail
Wiki: http://wso2.org/wiki/display/carbon/Carbon

## Support

WSO2 Inc. offers a variety of development and production support programs, ranging from Web-based support up through normal business hours, to premium 24x7 phone support.
For additional support information please refer to http://wso2.com/support/

For more information on WSO2 Carbon, visit the WSO2 Oxygen Tank

Thank you for your interest in WSO2 Carbon

-The WSO2 Carbon Development Team