Boto3

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* bugfix:``Polly``: [``botocore``] Remove `Content-Type` header from ``synthesize_speech`` URL presigning.
* api-change:``connect``: [``botocore``] Documentation update for a new Initiation Method value in DescribeContact API
* api-change:``iotwireless``: [``botocore``] Add Multicast Group support in Network Analyzer Configuration.
* api-change:``sagemaker``: [``botocore``] Added ml.p4d and ml.inf1 as supported instance type families for SageMaker Notebook Instances.

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* api-change:``application-autoscaling``: [``botocore``] With this release, ElastiCache customers will be able to use predefined metricType "ElastiCacheDatabaseCapacityUsageCountedForEvictPercentage" for their ElastiCache instances.
* api-change:``codepipeline``: [``botocore``] Add PollingDisabledAt time information in PipelineMetadata object of GetPipeline API.
* api-change:``gamelift``: [``botocore``] GameLift FleetIQ users can now filter game server claim requests to exclude servers on instances that are draining.
* api-change:``glue``: [``botocore``] Added ability to create data quality rulesets for shared, cross-account Glue Data Catalog tables. Added support for dataset comparison rules through a new parameter called AdditionalDataSources. Enhanced the data quality results with a map containing profiled metric values.
* api-change:``migration-hub-refactor-spaces``: [``botocore``] This SDK update allows for path parameter syntax to be passed to the CreateRoute API. Path parameter syntax require parameters to be enclosed in {} characters. This update also includes a new AppendSourcePath field which lets users forward the source path to the Service URL endpoint.
* api-change:``sagemaker``: [``botocore``] Amazon SageMaker Automatic Model Tuning now supports enabling Autotune for tuning jobs which can choose tuning job configurations.

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* api-change:``appsync``: [``botocore``] This release introduces AppSync Merged APIs, which provide the ability to compose multiple source APIs into a single federated/merged API.
* api-change:``connect``: [``botocore``] Amazon Connect Evaluation Capabilities: validation improvements
* api-change:``cur``: [``botocore``] Add support for split cost allocation data on a report.
* api-change:``sagemaker``: [``botocore``] SageMaker now provides an instantaneous deployment recommendation through the DescribeModel API

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* api-change:``fms``: [``botocore``] Fixes issue that could cause calls to GetAdminScope and ListAdminAccountsForOrganization to return a 500 Internal Server error.
* api-change:``sagemaker``: [``botocore``] Added ModelNameEquals, ModelPackageVersionArnEquals in request and ModelName, SamplePayloadUrl, ModelPackageVersionArn in response of ListInferenceRecommendationsJobs API. Added Invocation timestamps in response of DescribeInferenceRecommendationsJob API & ListInferenceRecommendationsJobSteps API.
* api-change:``translate``: [``botocore``] Added support for calling TranslateDocument API.

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* api-change:``backup``: [``botocore``] Added support for tags on restore.
* api-change:``pinpoint``: [``botocore``] Amazon Pinpoint is deprecating the tags parameter in the UpdateSegment, UpdateCampaign, UpdateEmailTemplate, UpdateSmsTemplate, UpdatePushTemplate, UpdateInAppTemplate and UpdateVoiceTemplate. Amazon Pinpoint will end support tags parameter by May 22, 2023.
* api-change:``quicksight``: [``botocore``] Add support for Asset Bundle, Geospatial Heatmaps.

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* api-change:``backup``: [``botocore``] Add ResourceArn, ResourceType, and BackupVaultName to ListRecoveryPointsByLegalHold API response.
* api-change:``connectcases``: [``botocore``] This release adds the ability to create fields with type Url through the CreateField API. For more information see https://docs.aws.amazon.com/cases/latest/APIReference/Welcome.html
* api-change:``mediapackagev2``: [``botocore``] Adds support for the MediaPackage Live v2 API
* api-change:``sesv2``: [``botocore``] This release allows customers to update scaling mode property of dedicated IP pools with PutDedicatedIpPoolScalingAttributes call.