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scala/scala3

The Scala 3 compiler, also known as Dotty.
Source code at GitHub https://scala-lang.org
scala/scala3.json
{
  "createdAt": "2012-12-06T12:57:33Z",
  "defaultBranch": "main",
  "description": "The Scala 3 compiler, also known as Dotty.",
  "fullName": "scala/scala3",
  "homepage": "https://scala-lang.org",
  "language": "Scala",
  "name": "scala3",
  "pushedAt": "2026-03-21T21:12:39Z",
  "stargazersCount": 6220,
  "topics": [
    "compiler",
    "dotty",
    "epfl",
    "scala",
    "scala3"
  ],
  "updatedAt": "2026-03-21T23:05:15Z",
  "url": "https://github.com/scala/scala3"
}

Scala 3

Section titled “Scala 3”

Scala 3 CI Join the chat at https://discord.com/invite/scala

This is the home of the Scala 3 standard library, compiler, and language spec.

Try it out

Section titled “Try it out”

To try it in your project see also the Getting Started User Guide.

Building a Local Distribution

Section titled “Building a Local Distribution”
  1. sbt dist/Universal/packageBin
  2. Find the newly-built distributions in dist/target/

Code of Conduct

Section titled “Code of Conduct”

Dotty uses the Scala Code of Conduct for all communication and discussion. This includes both GitHub, Discord and other more direct lines of communication such as email.

How to Contribute

Section titled “How to Contribute”

License

Section titled “License”

Scala 3 is licensed under the Apache License Version 2.0