Learn how Maestro solves the challenge of maintaining 21 Laravel starter kit variants across 8 repositories, using layered builds, priority-based sync, and a contributor workflow designed to scale.

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Maestro is an internal orchestration tool built by the Laravel team to manage 21 starter kit variants across 8 repositories. Instead of manually propagating changes across every repo, Maestro uses a layered build system where shared, framework-specific, auth-specific, and feature-specific layers are composed into final runnable kits. Contributors work on a built variant in a single directory, and a watcher syncs changes back to the correct source layer using priority-based ownership logic. Placeholder restoration ensures framework-specific values don't leak into shared source files. The tool also provides CLI commands for linting, validation, and browser testing across the full matrix or a targeted subset, significantly reducing the cognitive overhead for contributors.

Meet Maestro: How We Manage 21 Laravel Starter Kit Variants

The Real Problem with Starter Kit Maintenance

How Contributors Can Work on Starter Kits Using Maestro

The Smart Part: Syncing Changes Back to the Right Layer

Placeholder Restoration Is Another Great Detail

Pull Requests That Show Why Maestro Works

<p>There’s enough software products named Maestro.</p>
