AWS Secrets Manager now supports larger size for secrets and resource polices and higher request rate for GetSecretValue API
AWS Secrets Manager now supports larger secret size of up to 10 Kb, making it easier for customers to manage secrets such as certificates with a long chain of trust. Secrets Manager now also supports larger size resource policies of up to 20 Kb enabling customers to allow multiple users and applications access a single secret. Secrets Manager also supports higher request rates for the GetSecretValue API operation of up to 1,500 requests per second. These increased service quotas will be applied to your accounts automatically. No further action required on your end.
Source:: Amazon AWS