In the March 2019 edition of Release Radar, a variety of innovative projects and updates were highlighted, showcasing developments across different technological fields. Storybook 5.0 was introduced, offering a new look and enhanced features for creating and testing UI components across various libraries like React and Angular. TensorFlow.js 1.0 celebrated its milestone release with improvements in API stability and performance for machine learning in browsers and Node.js. Quick 2.0 provided updates for behavior-driven development in Swift and Objective-C, while Vega 5.0 brought new customization options for creating interactive visualizations. The survival game Cataclysm: Dark Days Ahead released version 0.D with significant enhancements to inventory management and gameplay. Additional projects included GIPHY's Celebrity Detector, which uses a deep learning model to recognize celebrity faces, and QuickChart, an open-source service for generating charts from URLs. The countdown CLI app, created by @antonmedv, was also featured, offering a simple solution for setting timed reminders in terminal environments.