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🏢 Active Record Tenanting

Built-in Multi-Tenant Architecture for SaaS Applications

Richard Piacentini

Project Lead: Richard Piacentini

Cheqs Global LTD

AI Research: Claude Sonnet 4.5

Suite Finalized: October 10, 2025

📝 Living Document - Updated until Rails 8.1 stable release

Rails 8.1 Feature

📋 Overview

Active Record Tenanting brings multi-tenant architecture support directly into Rails, enabling you to build SaaS applications with data isolation by default while writing single-tenant code.

Key Benefits

  • 🚀 60% Faster SaaS Development - Built-in tenanting eliminates custom solutions
  • 🔒 Data Isolation by Default - Automatic tenant scoping prevents data leaks
  • 💡 Write Single-Tenant Code - Work with models as if single-tenant
  • 📈 Proven at Scale - Battle-tested at Basecamp (HEY, Basecamp)

See the full technical documentation for complete implementation guides, tenant switching patterns, background job integration, API authentication, performance optimization, and common pitfalls.