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A comment on Apache Iceberg V3 Spec new features for more efficient and flexible data lakes. Parent comment

Re:Apache Iceberg V3 Spec new features for more efficient an... by talatuyarer on Monday August 11, 2025 @06:29PM (#44870213)
Yes, the specification will be finalized with version 1.10. Previous versions also include specification changes. Iceberg's implementation of V3 occurs in three stages: Specification Change, Core Implementation, and Spark/Flink Implementation.

So far only Variant is supported in Spark and with 1.10 Spark will support nano timestamp and unknowntype I believe.

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