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Language Server Development

1 post · Aug 2026

What this trail covers

This post details the open-sourcing of Metals v2, Databricks' Java and Scala language server. It describes the technical challenges and solutions involved in building and scaling a language server capable of handling multi-million line codebases, focusing on performance, reliability, and maintainability for large-scale code analysis and developer tooling.

All Databricks trails
  1. Open-sourcing Metals v2: Databricks’ Java and Scala language server for multi‑million line codebasesThis post details the open-sourcing of Metals v2, Databricks' Java and Scala language server. It describes the technical challenges and solutions involved in building and scaling a language server capable of handling multi-million line codebases, focusing on performance, reliability, and maintainability for large-scale code analysis and developer tooling.