You can now use upgraded versions of Apache HBase (1.3.0), Presto (0.166), Apache Zeppelin (0.7.0), Apache Phoenix (4.9.0), and Apache Flink (1.2.0) on Amazon EMR release 5.4.0. These new versions of supported applications have various improvements and bug fixes. Additionally, you can now create Amazon EMR clusters with R4 instances, the next generation of Amazon EC2 Memory Optimized instances. Amazon EMR has also expanded support for M4 (General Purpose) and C4 (Compute Optimized) instances to AWS GovCloud.