Agora has released its 4.0 Video and Voice SDKs, accompanied by a revamped documentation experience designed to make it easier for developers to work with the platform. The new docs feature task-based architecture, runnable code, and step-by-step testing instructions. Key improvements include simplified navigation, search upgrades using Algolia, improved site performance, and open-source contributions through GitHub. Agora aims to provide a frictionless and insightful documentation experience for developers.