Proposed Mahout release 0.3 artifacts can by found at: https://repository.apache.org/content/repositories/orgapachemahout-005/
A report of issues addressed in this release can be found at https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&&pid=12310751&status=5&status=6&fixfor=12314281&sorter/field=issuekey&sorter/order=DESC . Please vote to release or not.