Lsp Articles

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12/17/2025 • EN

ty: An extremely fast Python type checker and LSP

Introducing ty, a new, extremely fast Python type checker and language server from Astral, promising massive speed improvements over mypy and Pyright.

Astral Lsp performance Python type checking

Simon Willison

9/20/2025 • EN

Emacs, LSP, and Java, Together at Last

A guide to setting up Java development in Emacs using the Language Server Protocol (LSP) and the Eclipse JDT server for a lightweight, customizable coding experience.

Emac ide Java Language Server Protocol Lsp

Cay Horstmann