The speaker talked about their work on implementing a new version of the Coccoury tools in Rust. They explained their motivation for starting the project and the benefits of using Rust, such as improved security and ease of portability. They also discussed the history of the Coccoury tools and the importance of these commands in daily programming tasks. The speaker gave a live demo of fixing a bug in the Rust implementation and discussed the performance benchmarks of their implementation compared to the GNU version. They outlined future plans for the project, including achieving full compatibility with the GNU version and improving performance.