Pyrefly LSP Integration in PyCharm 2026.1.2 (opens in new tab)

Covers Pyrefly - A faster Python type checker written in RustCovered by pyrefly.org

In PyCharm 2026.1.2, you can enable Pyrefly as an external type provider, dramatically increasing the speed of the IDE’s code insight features. What is the Pyrefly LSP? “LSP” stands for the Language Server Protocol – a standardized protocol that allows code editors and IDEs to communicate with language servers. The LSP enables language servers to […]

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Pyrefly v1.1 is here 27% faster, refactoring tools, tensor shapes

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