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# Apache Hadoop  1.2.1 Release Notes

These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.


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* [MAPREDUCE-3859](https://issues.apache.org/jira/browse/MAPREDUCE-3859) | *Major* | **CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs**

Fixed wrong CapacityScheduler resource allocation for high memory consumption jobs


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* [HADOOP-10371](https://issues.apache.org/jira/browse/HADOOP-10371) | *Minor* | **The eclipse-plugin cannot work  in my environment**

fixed



