Along with providing the ability for streaming processing based on Spark Core and SQL API, Structured Streaming is one of the most important components for Apache Spark™. In this blog post, we summarize the notable improvements for Spark Streaming in the latest 3.1 release, including a new streaming table API, support for stream-stream join and multiple UI enhancements. Also, schema validation and improvements to the Apache Kafka data source deliver better usability. Finally, various enhancements were made for improved read/write performance with FileStream source/sink.