Narayan Newton presented on recent developments in MySQL. He discussed how MySQL has fragmented into several variants including MariaDB, PerconaDB, and Drizzle. He provided details on improvements in Oracle MySQL 5.5 and 5.6, Percona Server, and MariaDB including new features like virtual and dynamic columns. Newton also covered optimization improvements and clustering options like Percona Cluster, MySQL Cluster, and Drizzle.