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Language support

How much the editor understands depends on the language. For some languages you get code insight backed by a language server, including navigation such as Go to Definition, Go to Implementation, and Find Usages. For the rest, you get syntax highlighting only.

Languages with LSP-backed support

For the languages in this section, an LSP server provides code insight. This can include navigation, completion, semantic highlighting, quick-fixes, rename, formatting, and related features.

Language

Provider

Kotlin

Kotlin Analyzer (kotlin-lsp)

Go

gopls

Rust

rust-analyzer

Python

basedpyright (Python + PythonStub)

C, C++, CUDA

clangd

TypeScript and JavaScript family

TypeScript language server (JS, JSX, TS, TSX, Vue, MJS, CJS, MTS, CTS)

HTML

VS Code HTML LSP (HTML, HTM)

CSS family

VS Code CSS LSP (CSS, SCSS, LESS)

Svelte

svelte-language-server

Java is not supported yet.

LSP add-ons

Add-on LSP servers also run in supported file types. These servers extend specific features but do not define primary language semantics.

Add-on

Where it works

Tailwind CSS LSP

HTML, Svelte, Vue, JavaScript, TypeScript, CSS, Sass, and related file types

Emmet LSP

HTML, CSS, SCSS, Sass, Less, JSX, TSX, XML, Vue, Svelte

Syntax highlighting only

For the languages in this section, you get TextMate-based syntax highlighting only.

  • MDX

  • Razor

  • ShaderLab

  • Dockerfile

  • Clojure

  • Dart

  • Erlang

  • TeX

  • LaTeX

  • BibTeX

  • Perl

  • Perl 6

  • Vim Script

  • Pug

  • F#

  • R

  • Diff

  • PHP

  • Lua

  • XML

  • XSL

  • ASP

  • PowerShell

  • Properties

  • INI

  • JSON

  • Java

  • Gitignore

  • Handlebars

  • CMake

  • Swift

  • Makefile

  • Shell

  • Markdown

  • YAML

  • Compose YAML

  • Log

  • C#

  • Julia

  • Batch

  • Groovy

  • CoffeeScript

  • HLSL

  • reStructuredText

  • Objective-C

  • Objective-C++

  • Ruby

  • Search Results

  • JSP

  • SQL

  • Twig

  • Terraform

  • HCL

Third-party components

Some language features rely on third-party components. For the current list, see Third Party Software and Licenses.

30 September 2026