# User Migrations

* 17 May 2023 - Major release of v2.0 TypeScript SDK. Breaking changes include PKCE and new API method signatures. Deprecation of v1 SDK will take place in **31st December 2023**, therefore **any existing users who has yet to upgrade their SDK version and implement the necessary code changes for PKCE by then will face disruptions in their applications.** Refer to [typescript-sdk-v2.0-major-release](https://docs.id.gov.sg/important-updates/user-migrations/typescript-sdk-v2.0-major-release "mention") for a step-by-step migration guide.