LSP

GitHub has added Language Server Protocol (LSP) support to Copilot CLI, replacing its previous grep and decompile-based code analysis. The update enables the AI coding assistant to use structured language intelligence for understanding codebases.

GitHub has updated Copilot CLI to support language server protocol (LSP) integration. The update replaces the tool's previous grep and decompile-based code analysis with structured language server support for improved code intelligence.

OpenCode shipped v1.14.25 with Roslyn LSP support for Razor, .cshtml, and C# script files. The release fixes GPT-5.5 with OpenAI OAuth to use correct context limits and adds request details to LSP permission prompts.