The new architecture is the default in fresh React Native and Expo projects, but migrating established production codebases remains complex. Legacy bridges are deprecated, leaving maintainers with little choice but to adopt Fabric and TurboModules.
Engineering teams running legacy renderers often postpone upgrades to avoid disrupting stable user workflows. Field experience shows that structured dependency audits prevent unexpected runtime failures during the transition.
In short
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Fabric and TurboModules are standard defaults in modern React Native environments, requiring structured migration paths for older applications.
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Eighty percent of migration friction stems from unvetted native dependencies rather than core framework configuration changes.
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Building a dependency matrix before touching configuration files isolates breaking third-party modules early.
Auditing Native Dependencies Before Configuration
Before editing configuration files or Podfile environments, teams must run a comprehensive audit of all native dependencies. This step uncovers the hidden blockers that cause most migration failures.
Dependencies typically fall into three distinct states regarding modern renderer compatibility. Categorizing them accurately dictates the timeline and risk profile of the entire engineering sprint.
Managing Library Readiness and Release Strategy
Unprepared native modules will break builds instantly upon enabling the new rendering pipeline. Maintaining a detailed spreadsheet tracking installed versions against compatible releases prevents wasted weekend debugging sessions.
Incremental rollout strategies allow teams to validate native bindings under real user traffic without risking complete application rollbacks.
A successful migration relies on disciplined dependency tracking and methodical testing rather than hasty configuration toggles.
Source
React Native New Architecture Migration Field Notes
https://72technologies.com/blog/react-native-new-architecture-migration-2026-4
