Langfuse's first launch week unveiled a series of significant upgrades to their platform, culminating in the release of Langfuse 2.0 on Product Hunt. The event, held from April 22 to April 26, introduced daily updates, including a new OpenAI JS SDK integration for improved API usage monitoring, a PostHog integration for enhanced analytics, an LLM Playground for prompt engineering, and a Python decorator-based integration for ease of use. Additionally, the launch featured Datasets v2 with advanced dataset management tools and concluded with model-based evaluations for continuous application assessment on various metrics. The launch week also included a virtual town hall to demo new features and discuss the project's future.