An In-Depth Overview of the Apache Iceberg 1.11.0 Release

This article provides a detailed analysis of the Apache Iceberg 1.11.0 release, a major milestone for open data lakehouse architectures. It covers key improvements including manifest list encryption for enhanced security, a pluggable file format API and V4 spec foundations, REST client protocol extensions, overwrite-aware table registration, deletion vector pruning, scheduled credential lifecycle refresh, Spark streaming triggers with Z-ordering, Flink post-commit maintenance and branch compaction, JSON to variant mapping, and table upgrade paths. The release focuses on structural metadata changes, security enhancements, and query planning optimizations, moving several features from experimental to stable. This is highly relevant to IT/technology professionals working with data engineering, lakehouse architectures, and open-source data formats.