Github user StefanRRichter commented on a diff in the pull request: https://github.com/apache/flink/pull/6308#discussion_r202047581 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/state/KeyedBackendSerializationProxy.java --- @@ -98,8 +103,7 @@ public int getVersion() { @Override public int[] getCompatibleVersions() { - // we are compatible with version 3 (Flink 1.3.x) and version 1 & 2 (Flink 1.2.x) - return new int[] {VERSION, 3, 2, 1}; + return new int[]{VERSION, 4, 3, 2, 1}; --- End diff -- Both styles are ok and used in Flink, so I will stick to this.
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