//
Search across all documentation pages
9 pages in this section.
25 non-negotiables for maintainable Expo apps - config, folder layout, CNG, tooling, and team conventions that survive SDK upgrades and the first 50 engineers.
File-based routing conventions and deep-link hygiene for Expo Router on SDK 57 - layouts, typed routes, auth gates, and URL schemes teams enforce in review.
When to write native code vs reach for an SDK package - Expo Modules API, config plugins, CNG/prebuild rules, and dev-client requirements on SDK 57.
Secrets handling, secure storage, transport security, and certificate pinning decisions for Expo SDK 57 apps - rules enforced before store submission.
EAS Update channel naming, runtime version policy, promotion workflow, and rollback triggers for Expo SDK 57 - when OTA is safe and when store builds are mandatory.
Bundle size, time-to-interactive, and frame-rate thresholds with named owners for Expo SDK 57 apps - budgets enforced in CI and release review.
Living document the team enforces in review - 25 rules drawn from every page in Expo Rules for SDK 57 maintainable apps.
A single-page roundup of every highlight bullet from the 8 pages in the Expo Rules section, grouped by source page so you can scan all 47 takeaways without opening each article individually.