rbenv
New
assess
rbenv manages Ruby versions per project with .ruby-version and lightweight shims. We assess it for Ruby maintenance work on Ruby on Rails estates; greenfield polyglot laptops prefer mise.
Blurb
rbenv is a version manager for Ruby.
Summary
What it is: Installs Rubies via ruby-build plugin; selects version per directory.
When to use: Rails repos with committed .ruby-version; developers prefer rbenv over system Ruby.
When to skip: Team uses Dev Container or mise for all language pins.
Key features: Shim dispatch, rbenv local/global, plugin ecosystem.
Details
| Topic | Notes |
|---|---|
| Fit | Common in legacy Ruby on Rails shops |
| Contrast | mise when Ruby is one of many pinned runtimes |
References