About

BrownBox dev is a Ruby development shop with over a decade of experience building and maintaining production web applications.

Whether you need a new system built from scratch, an existing codebase extended, or an aging application brought back to health - it gets done. And it gets done in a way that won't haunt you a year later.

Equally at home in Rails or any other Ruby stack. Remote-first, based in Sweden, working with clients across Europe and beyond.

Open Source

We maintain several open-source Ruby gems, built out of real project needs and kept in active use:

RABARBER

GitHub stars

Simple yet flexible role-based authorization for Ruby on Rails with comprehensive role management and multi-tenancy support.

View on GitHub RubyGems

VERI

GitHub stars

Minimalistic cookie-based authentication for Ruby on Rails with granular session management, user impersonation, and support for multi-tenancy.

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GREPFRUIT

GitHub stars

Fast parallel regex search across files powered by Ruby Ractors, available as a programmatic API and CLI.

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KREDS

GitHub stars

Rails credentials access with blank value detection and clear human-readable error messages.

View on GitHub RubyGems

Blog

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Rabarber v6: Major Update for the Rails Role-Based Authorization Gem

April 5, 2026

Rabarber, a role-based authorization gem for Rails, releases v6.0.0.

The new version finalizes the API cleanup started in v5, deprecated methods were removed making the API cleaner and more intuitive. Another notable, and hopefully not noticeable, change is the reworked caching mechanism which improves reliability and fixes a bug that prevented Rabarber from working correctly with Memcached.

This is a major version with breaking changes, so please refer to the migration guide when upgrading.

Check out the gem here.

Happy coding!

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