This article outlines a structured three-phase approach for managing breaking changes in design tokens, focusing on deprecation, migration, and removal. It provides practical steps for developers to handle token updates without disrupting their work.

Pinterest successfully migrated 3.7 million lines of code from Flow to TypeScript over eight months, enhancing type safety, developer experience, and talent acquisition. The migration involved a structured approach with three phases: setup, conversion, and integration, leveraging community tools and automated processes to streamline the transition. Key benefits included improved language features and better support from the TypeScript community.

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Starting June 2nd, the Legacy Architecture of React Native will be frozen, meaning no new features or pull requests will be accepted. The focus will shift entirely to the New Architecture, with a commitment to stop supporting and testing the Legacy Architecture, guiding users towards migration to the new system.

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