The CLI Team at Heroku strives to create a CLI user experience that is intuitive and productive. We had “build CLI autocomplete” in the icebox of our roadmap for many years. But if we were going to ship it, it had to complement the existing CLI experience. This is challenging because the Heroku CLI is very dynamic: it comprises user installable plugins, and the data needed for completions is behind an API.

Recently, we spent some time brainstorming the experience we wanted from Heroku CLI Autocomplete and decided it was time. We took “build autocomplete” out of the icebox and shipped it.

This post will discuss the main challenges we faced building Heroku CLI Autocomplete and how we solved...

Today we're excited to announce that Heroku CLI Autocomplete for Bash and Zsh is generally available. Heroku CLI Autocomplete makes your workflow faster and more seamless by helping you complete command and flag names when you press the tab key. Autocomplete completes all Heroku CLI commands and will automatically support new commands as they are added. You can also complete values for some flags and args—including apps, pipelines and config vars—so you won't need to run multiple commands to find and cross-reference them.

We build the CLI first and foremost for human usability; Autocomplete takes usability a step further, making it easier than ever to discover, learn, and...