Sending the Release summary here.

*Releases:*
- Java 1.12.0 was released on 2026-09-29.

*Java (1.12.0 highlights):*
- Variant: vectorized Parquet reads for unshredded Variant columns (Spark
4.0, 4.1);
  stricter shredding rule (only single-type fields are shredded); shredded
Variant
  writes in Flink and Kafka Connect.
- Geospatial: read/write geometry and geography in Parquet and Avro;
end-to-end in Spark 4.1.
- Flink: maintenance task to convert equality deletes into deletion vectors
  (ConvertEqualityDeletes); Iceberg view support in SQL.
- Data layout: Hilbert-curve clustering strategy for rewrite_data_files
(Spark 4.1).
- REST: read restrictions (column masking, row filters) added to the REST
spec.
- Format V4: foundations (V4 manifest reader/writer, tracked-file adapters,
relative
  paths, content statistics).
- Engine support: added Flink 2.2 and 2.3; removed Spark 3.4 and Flink 2.0.
- Security: Jackson CVE fixes (CVE-2026-54512, CVE-2026-54513,
GHSA-r7wm-3cxj-wff9)
- 777 commits from 142 contributors since 1.11.0.

Thanks,
Neelesh


On Thu, Oct 1, 2026 at 09:58 Neelesh Salian <[email protected]>
wrote:

> I'm pleased to announce the release of Apache Iceberg 1.12.0!
>
> Apache Iceberg is an open table format for huge analytic datasets. Iceberg
> delivers high query performance for tables with tens of petabytes of data,
> along with atomic commits, concurrent writes, and SQL-compatible table
> evolution.
>
> This release can be downloaded from:
>
> https://www.apache.org/dyn/closer.cgi/iceberg/apache-iceberg-1.12.0/apache-iceberg-1.12.0.tar.gz
>
> Release notes: https://iceberg.apache.org/releases/#1.12.0
>
> Java artifacts are available from Maven Central.
>
> Thanks to everyone for contributing!
>

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