# Apache Spark 4.3 adds stateful real-time processing and a quarterly release cadence

> Original title: Introducing Apache Spark® 4.3 - Now available in Databricks Runtime 19

- Source: Databricks Blog
- Published: 2026-11-05T00:00:00.000Z
- Bad Influence: https://badinfluence.news/items/izyazz6v4ta6ufl7l4n2yovw0
- Original: https://www.databricks.com/blog/introducing-apache-spark-43-now-available-databricks-runtime-19

## Summary

Apache Spark 4.3 extends Real-Time Mode to stateful workloads, with P99 end-to-end latency below 150 ms in three tested benchmarks. The release also adds SCD Type 2 Auto CDC, Spark Connect observability features, and a nanosecond timestamp preview, and Spark moves to quarterly feature releases.

## Why it matters

The post separates the Spark 4.3 features from later work, with benchmark numbers and opt-in conditions, which helps readers judge what they can use now.