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* api-change:``batch``: This release adds support for price capacity optimized allocation strategy for Spot Instances.
* api-change:``dms``: Adding new API describe-engine-versions which provides information about the lifecycle of a replication instance's version.
* api-change:``internetmonitor``: This release adds a new feature for Amazon CloudWatch Internet Monitor that enables customers to set custom thresholds, for performance and availability drops, for impact limited to a single city-network to trigger creation of a health event.
* api-change:``medialive``: AWS Elemental Link devices now report their Availability Zone. Link devices now support the ability to change their Availability Zone.
* api-change:``polly``: Amazon Polly adds new French Belgian voice - Isabelle. Isabelle is available as Neural voice only.
* api-change:``rds``: Added support for deleted clusters PiTR.
* api-change:``sagemaker``: Add Stairs TrafficPattern and FlatInvocations to RecommendationJobStoppingConditions