Review: Best Tooling for React Native in 2026 — Metro, Hermes, and New Entrants
Hands-on review of the tooling landscape: bundlers, codegen runners, CI optimizations, and developer experience improvements that matter in 2026.
Hook — Tooling decides ship speed
Choose your tools and you choose the velocity of your team. This review covers the tools that matter in 2026 for React Native teams: bundlers, codegen runners, artifact pipelines, and the new entrants that promise better developer DX.
Bundlers and runtimes
Metro remains the battle-tested choice, but several alternative bundlers provide faster incremental builds and better cold-start behavior. Hermes continues to improve GC heuristics and snapshotting which helps reduce startup time.
Codegen and artifact pipelines
Typed bindings are non-optional for teams exposing native modules. Tooling reviews for TypeScript codegen runners have become essential reading; the best solutions integrate with CI and produce verifiable artifacts for audits (Tool Review: Codegen Runners and Artifact Pipelines for TypeScript (2026)).
Security and secret management
Developer-friendly security checklists help teams avoid common pitfalls. Applying web security fundamentals to mobile builds and distribution has reduced common vulnerabilities in RN apps (Security Basics for Web Developers).
Deals and budget tools
Small teams can leverage maker-focused tooling deals to bootstrap internal infra — monthly deal roundups highlight practical discounts and new tools worth evaluating for prototypes (Deal Roundup for Makers — January 2026).
Secrets & custody
Mobile secrets and key custody are still challenging. New secure custody solutions are promising, but teams must evaluate tradeoffs between UX and security. Early reviews of secure vaults indicate some products are approaching mainstream readiness (Nightfall Vault v3 Review).
Recommendations (shortlist)
- Bundler: Metro for stability; evaluate alternatives for monorepos and large apps.
- Runtime: Hermes with snapshots for consumer apps; consider multi-runtime for compute-heavy apps.
- Codegen: Adopt a codegen runner integrated with CI to produce typed native bindings.
- Secrets: Use vault-backed CI secrets and device attestation for keys.
Case notes
A startup reduced build times by 60% by switching to an incremental bundler and investing in artifact caching. They also achieved smoother native/JS boundaries by standardizing on a codegen runner, which enforced interface contracts at CI time.
Further reading
Author: Marco Silva — DevTools Engineer. I evaluate and integrate build systems for mobile teams.