This chapter explores key developer-focused enhancements in Oracle 23AI that significantly improve coding efficiency, debugging, and real-time troubleshooting. Central to this chapter are innovations such as JavaScript stored procedures, which enable developers to natively write and execute logic in JavaScript within the database, and enriched error messaging that offers deeper diagnostic insights during failures. These features are presented with practical implementation steps, real-world case studies, and comparisons to earlier versions to highlight their advantages. Internal mechanisms are also briefly discussed to shed light on how Oracle optimizes performance and diagnostics under the hood. From accelerating development cycles to enhancing operational resilience, this chapter demonstrates how Oracle 23AI empowers developers and DBAs alike with a smarter, more responsive programming and troubleshooting environment.