YugabyteDB 2.15 introduces several updates to enhance database performance and accelerate data loading. The new Performance Advisor tool helps quickly identify and address key database management challenges, including SQL queries, cluster topology, and schema design. It provides recommendations for optimizing resource efficiency, intelligent index suggestions, and dropping unused indexes. Additionally, the release includes features such as faster bulk data import, YSQL query optimizer enhancements, and improved indexing strategy with intelligent suggestions. The updates aim to improve customer experience by reducing load times and increasing application throughput and response time.