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JWT token verification failing using PHP API with "Signature verification failed" from Localhost



I have a running application and do not believe anything significant has changed in validation, but all of a sudden the application running on the server is working fine, but when I try to validate a JWT through the \Auth0\SDK\JWTVerifier in the PHP API with the same credentials it fails. Has something changed on the Auth0 side in the last month or so? Is there somewhere I need to let Auth0 know that I will be doing this from localhost?