Manoj Pandey summarizes some of the improvements in Apache Spark 3.0:
With Spark 3.0 release (on June 2020) there are some major improvements over the previous releases, some of the main and exciting features for Spark SQL & Scala developers are AQE (Adaptive Query Execution), Dynamic Partition Pruning and other performance optimization and enhancements.
Below I’ve listed out these new features and enhancements all together in one page for better understanding and future reference.
Click through for the summary.