Amazon EMR 6.9.0 - Iceberg release notes

Amazon EMR 6.9.0 - Iceberg changes

Type	Description
Feature	Amazon EMR Flink integration with Iceberg.
Feature	Amazon EMR Hive integration with Iceberg.
Feature	Support to cache Iceberg metadata files on Amazon FSx for Lustre to improve the query planning time.
Backport	PR 5050: Flink 1.15: Support write options in the in-line insert SQL comments.
Backport	PR 5282: AWS: Fix PUT retry failures by opening new data file streams.
Backport	PR 5318: Flink 1.15: Bridge the gap between FlinkSource and IcebergSource (FLIP-27) and added an opt-in config to use FLIP-27 source in Flink SQL.
Backport	PR 5344: Flink 1.14: Bridge the gap between FlinkSource and IcebergSource (FLIP-27) and added an opt-in config to use FLIP-27 source in Flink SQL.
Backport	PR 5393: Flink 1.14, 1.15: Avoid converting Iceberg MetricContext to Flink metrics in FLIP-27 source reader.
Backport	PR 5401: Flink 1.14, 1.15: Missed IcebergSourceReader group in PR #5393 for FLIP-27 source reader metrics.
Backport	PR 5679: Spark 3.2, 3.3: Fix nullability propagation for MergeRows node.
Backport	PR 5860: Spark 3.3: Fix QueryFailure when running RewriteManifestProcedure on Date partitioned tables.
Backport	PR 5880: Spark 3.3: Fix nullability in merge-on-read projections.
Backport	PR 5917: Spark 3.2: Fix nullability in merge-on-read projections.