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### Service Client Updates
* `service/elasticache`: Updates service API and documentation
  * Amazon ElastiCache for Redis 5.0.5 now allows you to modify authentication tokens by setting and rotating new tokens. You can now modify active tokens while in use, or add brand-new tokens to existing encryption-in-transit enabled clusters that were previously setup without authentication tokens. This is a two-step process that allows you to set and rotate the token without interrupting client requests.