Kerollmops, the brain behind the open-source search engine Meilisearch, shares insights into the evolution of this innovative technology from a personal project to a thriving business. He dives into the technical advancements of version 1.9, the transition from C++ to Rust, and the challenges of managing open-source databases. The discussion also covers community engagement and the importance of user support, revealing how collaboration fuels Meilisearch's success while reshaping the landscape of self-hosted search engines.