Past Memory Big Data

Jun 22, 2026 · Big Data

What’s New in Apache Spark 4.2? Core Features and Architecture Evolution

Apache Spark 4.2 introduces a lightweight Spark Connect architecture, native AI integration, enhanced Metrics View for unified semantics, Arrow‑first performance gains, advanced SQL extensions like vector search and QUALIFY, robust geospatial support, and a revamped streaming engine with auto CDC and sub‑millisecond state cleanup.