This document is a community maintained roadmap of the upcoming releases and features (at a high level). The document contains only estimations, no guaranteed feature / release dates. 

Last update: October 2016

Past releases

Flink 1.1 (August 2016)

• Session Windows and Allowed lateness
• Table API and SQL on Calcite
• Metrics system
• Scala API for CEP
• Graph generators and new Gelly library algorithms
• Continuous File Sources
• Kinesis Connector
• Cassandra Connector

Upcoming releases

Flink 1.2 (End of 2016)

• Dynamic Scaling / Key Groups (FLINK-3755) (Design Doc)
• New deployment and process model (FLIP-6)
• Rescalable Non-Partitioned State (FLIP-8)
• Backwards compatible savepoints (FLINK-4797)

• Integrate Flink with Apache Mesos (FLINK-1984) (Design Doc)

• Secure Data Access (FLINK-3930) (Design Doc)
• Queryable State (FLINK-3779)
• Metrics in Webinterface (FLIP-7)
• Kafka 0.10 support (FLINK-4035)

Flink 1.3 (Q2 2017)

• tbd