For Saas Direct integration Salesforce CRM , As per Servicenow Doc , "Require Proof Key for Code Exchange (PKCE) Extension for Supported Authorization Flows" This security setting should be False but now on salesforce side this is always true cannot be editable. As per salesforce "Starting in July 2026, Salesforce enforces OAuth security controls for new external client apps and connected apps. The Proof Key for Code Exchange (PKCE) extension is required for apps that use the authorization code grant type. ". Get Oauth taken is throwing below error
error=invalid_request&error_description=missing%20required%20code%20challenge
