The talk is about using Rust and NeoVim together. The speaker mentions how NeoVim is a fork of Vim, which is focused on extensibility and usability. NeoVim supports LSP client frameworks, which allows it to work as a client to LSP servers such as Rust Analyzer. The speaker recommends using a one-file config to get started with NeoVim, which has a few important plugins. They also mention the usefulness of the new Mason plugin, which helps install language servers directly from NeoVim. The speaker goes on to talk about several features and plugins that are useful for working with NeoVim and Rust, such as the ability to import code and rename code using syntax trees. Finally, the speaker provides some references and resources for those looking to learn more about NeoVim and Vim.