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Frameworks & web · #reflex
Reflex synchronizes frontend UI state with a backend Python State class through a persistent websocket connection managed by FastAPI and Next.js. Event handlers modify backend state, triggering delta serialization and transmission to the browser, where updates trigger reactive re-renders. The framework currently lacks a built-in configuration point to limit
When upgrading a Reflex application from a version that used in‑memory state to Reflex 0.5.0, the framework expects a SQLite database at the location previously used for state storage. The supplied reflex migrate-state command copies the existing in‑memory state into this new file, but the operation is not wrapped in a transaction. If the migration is halted
sqlite