Fluent Bit 3.0 is the latest version of the telemetry agent designed to enhance data processing and observability pipelines with new features such as HTTP/2 support, new processors for data selection, and SQL processing capabilities for optimized data routing and storage. It offers improved scalability, performance, and efficiency, making it a cost-effective solution for managing logs, traces, and metrics. The release introduces best practices, including understanding data objectives, efficiently using plugins like Expect and content_modifier, and applying modifications at the data source to enhance pipeline efficiency. Fluent Bit 3.0 also emphasizes the importance of memory management and resource usage to prevent instability, while encouraging the use of Hot Reload for seamless configuration changes and the Fluent Bit Metrics plugin for Prometheus data exposure. The release aims to make observability pipelines more robust and reliable by offering a streamlined approach to data management and processing.