Hadoop MapReduce Change Log Trunk (unreleased changes) INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS BUG FIXES Branch-2 ( Unreleased changes ) INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS BUG FIXES YARN-13. Fix pom versions for YARN in branch-2 (todd) Release 2.1.0-alpha - Unreleased INCOMPATIBLE CHANGES NEW FEATURES YARN-1. Promote YARN to be a sub-project of Apache Hadoop. (acmurthy) IMPROVEMENTS BUG FIXES YARN-12. Fix findbugs warnings in FairScheduler. (Junping Du via acmurthy) Release 0.23.3 - Unreleased INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS BUG FIXES YARN-14. Symlinks to peer distributed cache files no longer work (Jason Lowe via bobby)