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content/reference/compose-file/legacy-versions.md
8eb7ff4a6d4744032e1fb80d17ccb931a88fee136dd28a400000000300000342
---
title: Legacy versions
description:
keywords: fig, composition, compose, versions, upgrading, docker, version 3, docker compose 3
aliases:
 - /compose/compose-file/compose-versioning/
 - /compose/compose-file/compose-file-v3/
 - /compose/compose-file/compose-file-v2/
 - /compose/compose-file/legacy-versions/
---

The legacy versions of the Compose file reference has moved to the [V1 branch of the Compose repository](https://github.com/docker/compose/tree/v1/docs). They are no longer being actively maintained. 

The latest and recommended version of the Compose file format is defined by the [Compose Specification](_index.md). This format merges the 2.x and 3.x versions and is implemented by **Compose 1.27.0+**. For more information, see the[History and development of Docker Compose](/manuals/compose/intro/history.md).
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Title: Legacy Versions of Docker Compose
Summary
This document refers to legacy versions of the Compose file format, which are no longer actively maintained and can be found in the V1 branch of the Compose repository. The latest and recommended version is defined by the Compose Specification, implemented by Compose 1.27.0+.