# Modernizing the Command Line: Heroku CLI v11

DevFeed: [Modernizing the Command Line: Heroku CLI v11](<https://devfeed.tech/articles/modernizing-the-command-line-heroku-cli-v11-26469.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/modernizing-the-command-line-heroku-cli-v11/>)

Author: Eric Black

Published: 2026-03-19T22:29:49Z

Content type: release

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [ECMAScript](<https://devfeed.tech/topics/ecmascript.md>), [modules](<https://devfeed.tech/topics/modules.md>), [migration](<https://devfeed.tech/topics/migration.md>), [maintenance](<https://devfeed.tech/topics/maintenance.md>), [Usability](<https://devfeed.tech/topics/usability.md>)

Tags: [cli](<https://devfeed.tech/tags/cli.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [legacy](<https://devfeed.tech/tags/legacy.md>), [maintainability](<https://devfeed.tech/tags/maintainability.md>), [migration](<https://devfeed.tech/tags/migration.md>), [modules](<https://devfeed.tech/tags/modules.md>), [monorepo](<https://devfeed.tech/tags/monorepo.md>), [news](<https://devfeed.tech/tags/news.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [npm](<https://devfeed.tech/tags/npm.md>), [performance](<https://devfeed.tech/tags/performance.md>), [release](<https://devfeed.tech/tags/release.md>), [upgrade](<https://devfeed.tech/tags/upgrade.md>), [usability](<https://devfeed.tech/tags/usability.md>)

## AI overview

Heroku CLI v11 is available with a migration to ECMAScript Modules and oclif v4. The release also changes the build system from Yarn to npm, removes the monorepo structure, improves command execution and manifest caching, and adds semantic colors and theme support.

## Source excerpt

Heroku CLI v11 is now available. This release represents the most significant architectural overhaul in years, completing our migration to ECMAScript Modules (ESM) and oclif v4. This modernization brings faster performance, a new semantic color system, and aligns the CLI with modern JavaScript standards. While v11 introduces breaking changes to legacy namespaces, the benefits are [...] The post Modernizing the Command Line: Heroku CLI v11 appeared first on Heroku.