March 2026 performance highlights for callstack-internal/Expensify-App: Delivered policy-tag aware enhancements to report naming and the modified-expense workflow, stabilized notification paths to carry per-report policy data, and completed a major refactor to finalize policyTags propagation. Cleanups included lint/typecheck fixes from the policy-tags migration, dependency upgrades (Onyx 3.0.43), and centralization of policy subscriptions in LocalNotification for maintainability. These efforts improved policy compliance accuracy, developer productivity, and CI reliability, while preserving backward compatibility and adding targeted test coverage.

February 2026: Delivered reliability and performance improvements to the Onyx-based data layer in Expensify's React Native repos, stabilized selectors, introduced an epoch-based freshness mechanism for asynchronous updates, and cleaned up submodule boundaries to prevent drift. Result: reduced rerender churn, improved UI responsiveness, and increased maintainability across two repos.

January 2026 performance summary for Expensify apps: delivered telemetry instrumentation improvements for critical user workflows (Reports tab) and modernized the navigation system to improve reliability, performance, and maintainability. The work spans two repositories: Expensify/App and callstack-internal/Expensify-App.