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AI-generatedOAuth Implicit Grant Deprecation: Transitioning to Authorization Code with PKCE
The goal is to maintain the ability to revert a client’s configuration from the authorization code flow with PKCE back to the deprecated implicit grant after a failed upgrade, while preserving existing sessions and tokens. Constraints include the absence of a defined deprecation window for the implicit grant in OAuth 2.0/2.1, the need to keep both grant type