In PyCharm 2026.2, you can build Python extensions with the new Rust plugin and debug them using debugpy, which is now the default engine. Python extension development with the Rust plugin [Beta][Pro]Work seamlessly with Python projects that leverage Rust modules to speed up performance-critical components. Support for uv, Poetry, and Hatch multi-projects and uv workspaces [Beta]Previously available as an optional feature in PyCharm 2026.1.1, this functionality is enabled by default in version 2026.2. Pyrefly type engine integrationUse Pyrefly as an external type engine to significantly accelerate code insight features for large-scale Python codebases. Install them once in PyCharm, and your agents carry that domain knowledge across every project and session – automatically.