Monorepos in 2026: What Actually Works

The monorepo debate in 2026 has settled into something more mature. Turborepo became the default for most JS/TS teams, Nx found its niche in enterprises with complex dependency graphs, and Bazel still dominates at Google scale. Here's what I've learned from running all three in production.

Why Monorepos Won

Let's be clear about why monorepos became the default in 2026:

Atomic commits across services — Change an API contract and update all consumers in one PR