Ty is a fast Python type checker and language server developed in Rust, currently in preview and not ready for production use. Users can test ty through an online playground or by running commands in their terminal, and it supports type checking across Python files in specified directories or projects. The project is still under development, with contributions welcomed through its associated Ruff repository.

The author plans to abandon the current Sapphire project in favor of a new version called sps v2, which will feature a custom packaging system and improved architecture for better performance and maintainability. Despite some initial challenges, the core systems are in development, and the project is open for contributions from the community to enhance features and stability.

Nova is a JavaScript and WebAssembly engine developed in Rust, currently serving as an experimental project to explore its capabilities. Although it only passes about 77% of the test262 suite, ongoing development aims to enhance its functionality. Interested individuals can engage with the project through its GitHub repository or Discord server.