# v1.55.3 (2026-01-09)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.55.2 (2025-12-08)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.55.1 (2025-12-02)

* **Dependency Update**: Updated to the latest SDK module versions
* **Dependency Update**: Upgrade to smithy-go v1.24.0. Notably this version of the library reduces the allocation footprint of the middleware system. We observe a ~10% reduction in allocations per SDK call with this change.

# v1.55.0 (2025-12-01)

* **Feature**: This release introduces, CRUD APIs for the DomainObjectType and Recommender resources, APIs to offer statistical insights on Object Type Attributes, Changes to SegmentDefinition APIs to support SQL queries to create Segments, and Changes to Domain APIs to support Data Store.

# v1.54.7 (2025-11-25)

* **Bug Fix**: Add error check for endpoint param binding during auth scheme resolution to fix panic reported in #3234

# v1.54.6 (2025-11-19.2)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.54.5 (2025-11-12)

* **Bug Fix**: Further reduce allocation overhead when the metrics system isn't in-use.
* **Bug Fix**: Reduce allocation overhead when the client doesn't have any HTTP interceptors configured.
* **Bug Fix**: Remove blank trace spans towards the beginning of the request that added no additional information. This conveys a slight reduction in overall allocations.

# v1.54.4 (2025-11-11)

* **Bug Fix**: Return validation error if input region is not a valid host label.

# v1.54.3 (2025-11-04)

* **Dependency Update**: Updated to the latest SDK module versions
* **Dependency Update**: Upgrade to smithy-go v1.23.2 which should convey some passive reduction of overall allocations, especially when not using the metrics system.

# v1.54.2 (2025-10-30)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.54.1 (2025-10-23)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.54.0 (2025-10-16)

* **Feature**: Update endpoint ruleset parameters casing
* **Dependency Update**: Bump minimum Go version to 1.23.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.53.0 (2025-09-30)

* **Feature**: This release introduces ListProfileHistoryRecords and GetProfileHistoryRecord APIs for comprehensive profile history tracking with complete audit trails of creation, updates, merges, deletions, and data ingestion events.

# v1.52.6 (2025-09-26)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.52.5 (2025-09-23)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.52.4 (2025-09-10)

* No change notes available for this release.

# v1.52.3 (2025-09-08)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.52.2 (2025-08-29)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.52.1 (2025-08-27)

* **Dependency Update**: Update to smithy-go v1.23.0.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.52.0 (2025-08-21)

* **Feature**: Remove incorrect endpoint tests
* **Dependency Update**: Updated to the latest SDK module versions

# v1.51.1 (2025-08-20)

* **Bug Fix**: Remove unused deserialization code.

# v1.51.0 (2025-08-11)

* **Feature**: Add support for configuring per-service Options via callback on global config.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.50.0 (2025-08-04)

* **Feature**: Support configurable auth scheme preferences in service clients via AWS_AUTH_SCHEME_PREFERENCE in the environment, auth_scheme_preference in the config file, and through in-code settings on LoadDefaultConfig and client constructor methods.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.49.0 (2025-07-31)

* **Feature**: The release updates standard profile with 2 new fields that supports account-level engagement. Updated APIs include CreateProfile, UpdateProfile, MergeProfiles, SearchProfiles, BatchGetProfile, GetSegmentMembership, CreateSegmentDefinition, CreateSegmentEstimate.

# v1.48.1 (2025-07-30)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.48.0 (2025-07-28)

* **Feature**: Add support for HTTP interceptors.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.47.1 (2025-07-19)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.47.0 (2025-07-03)

* **Feature**: This release introduces capability of create Segments via importing a CSV file directly. This consumes the CSV file and creates/updates corresponding profiles for the particular domain.

# v1.46.2 (2025-06-17)

* **Dependency Update**: Update to smithy-go v1.22.4.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.46.1 (2025-06-10)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.46.0 (2025-06-09)

* **Feature**: This release introduces capability of Profile Explorer, using correct ingestion timestamp & using historical data for computing calculated attributes, and new standard objects for T&H as part of Amazon Connect Customer Profiles service.

# v1.45.2 (2025-04-03)

* No change notes available for this release.

# v1.45.1 (2025-03-04.2)

* **Bug Fix**: Add assurance test for operation order.

# v1.45.0 (2025-02-27)

* **Feature**: Track credential providers via User-Agent Feature ids
* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.9 (2025-02-18)

* **Bug Fix**: Bump go version to 1.22
* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.8 (2025-02-05)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.7 (2025-01-31)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.6 (2025-01-30)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.5 (2025-01-24)

* **Dependency Update**: Updated to the latest SDK module versions
* **Dependency Update**: Upgrade to smithy-go v1.22.2.

# v1.44.4 (2025-01-17)

* **Bug Fix**: Fix bug where credentials weren't refreshed during retry loop.

# v1.44.3 (2025-01-15)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.2 (2025-01-09)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.1 (2024-12-19)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.44.0 (2024-12-02)

* **Feature**: This release introduces Event Trigger APIs as part of Amazon Connect Customer Profiles service.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.43.0 (2024-11-18)

* **Feature**: This release introduces Segmentation APIs and new Calculated Attribute Event Filters as part of Amazon Connect Customer Profiles service.
* **Dependency Update**: Update to smithy-go v1.22.1.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.42.5 (2024-11-07)

* **Bug Fix**: Adds case-insensitive handling of error message fields in service responses

# v1.42.4 (2024-11-06)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.42.3 (2024-10-28)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.42.2 (2024-10-08)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.42.1 (2024-10-07)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.42.0 (2024-10-04)

* **Feature**: Add support for HTTP client metrics.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.41.1 (2024-10-03)

* No change notes available for this release.

# v1.41.0 (2024-09-27)

* **Feature**: Introduces optional RoleArn parameter for PutIntegration request and includes RoleArn in the response of PutIntegration, GetIntegration and ListIntegrations

# v1.40.2 (2024-09-25)

* No change notes available for this release.

# v1.40.1 (2024-09-23)

* No change notes available for this release.

# v1.40.0 (2024-09-20)

* **Feature**: Add tracing and metrics support to service clients.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.7 (2024-09-17)

* **Bug Fix**: **BREAKFIX**: Only generate AccountIDEndpointMode config for services that use it. This is a compiler break, but removes no actual functionality, as no services currently use the account ID in endpoint resolution.

# v1.39.6 (2024-09-04)

* No change notes available for this release.

# v1.39.5 (2024-09-03)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.4 (2024-08-15)

* **Dependency Update**: Bump minimum Go version to 1.21.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.3 (2024-07-10.2)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.2 (2024-07-10)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.1 (2024-06-28)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.39.0 (2024-06-26)

* **Feature**: Support list-of-string endpoint parameter.

# v1.38.0 (2024-06-24)

* **Feature**: This release includes changes to ProfileObjectType APIs, adds functionality top set and get capacity for profile object types.

# v1.37.1 (2024-06-19)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.37.0 (2024-06-18)

* **Feature**: Track usage of various AWS SDK features in user-agent string.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.11 (2024-06-17)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.10 (2024-06-07)

* **Bug Fix**: Add clock skew correction on all service clients
* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.9 (2024-06-03)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.8 (2024-05-23)

* No change notes available for this release.

# v1.36.7 (2024-05-16)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.6 (2024-05-15)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.5 (2024-05-08)

* **Bug Fix**: GoDoc improvement

# v1.36.4 (2024-03-29)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.3 (2024-03-18)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.2 (2024-03-07)

* **Bug Fix**: Remove dependency on go-cmp.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.1 (2024-02-23)

* **Bug Fix**: Move all common, SDK-side middleware stack ops into the service client module to prevent cross-module compatibility issues in the future.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.36.0 (2024-02-22)

* **Feature**: Add middleware stack snapshot tests.

# v1.35.2 (2024-02-21)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.35.1 (2024-02-20)

* **Bug Fix**: When sourcing values for a service's `EndpointParameters`, the lack of a configured region (i.e. `options.Region == ""`) will now translate to a `nil` value for `EndpointParameters.Region` instead of a pointer to the empty string `""`. This will result in a much more explicit error when calling an operation instead of an obscure hostname lookup failure.

# v1.35.0 (2024-02-13)

* **Feature**: Bump minimum Go version to 1.20 per our language support policy.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.34.6 (2024-01-04)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.34.5 (2023-12-08)

* **Bug Fix**: Reinstate presence of default Retryer in functional options, but still respect max attempts set therein.

# v1.34.4 (2023-12-07)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.34.3 (2023-12-06)

* **Bug Fix**: Restore pre-refactor auth behavior where all operations could technically be performed anonymously.

# v1.34.2 (2023-12-01)

* **Bug Fix**: Correct wrapping of errors in authentication workflow.
* **Bug Fix**: Correctly recognize cache-wrapped instances of AnonymousCredentials at client construction.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.34.1 (2023-11-30)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.34.0 (2023-11-29)

* **Feature**: Expose Options() accessor on service clients.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.33.0 (2023-11-28.2)

* **Feature**: This release introduces DetectProfileObjectType API to auto generate object type mapping.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.32.4 (2023-11-28)

* **Bug Fix**: Respect setting RetryMaxAttempts in functional options at client construction.

# v1.32.3 (2023-11-20)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.32.2 (2023-11-15)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.32.1 (2023-11-09)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.32.0 (2023-11-01)

* **Feature**: Adds support for configured endpoints via environment variables and the AWS shared configuration file.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.31.0 (2023-10-31)

* **Feature**: **BREAKING CHANGE**: Bump minimum go version to 1.19 per the revised [go version support policy](https://aws.amazon.com/blogs/developer/aws-sdk-for-go-aligns-with-go-release-policy-on-supported-runtimes/).
* **Dependency Update**: Updated to the latest SDK module versions

# v1.30.0 (2023-10-24)

* **Feature**: **BREAKFIX**: Correct nullability and default value representation of various input fields across a large number of services. Calling code that references one or more of the affected fields will need to update usage accordingly. See [2162](https://github.com/aws/aws-sdk-go-v2/issues/2162).

# v1.29.0 (2023-10-12)

* **Feature**: Adds sensitive trait to various shapes in Customer Profiles Calculated Attribute API model.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.28.1 (2023-10-06)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.28.0 (2023-08-31)

* **Feature**: Adds sensitive trait to various shapes in Customer Profiles API model.

# v1.27.5 (2023-08-21)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.27.4 (2023-08-18)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.27.3 (2023-08-17)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.27.2 (2023-08-07)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.27.1 (2023-08-01)

* No change notes available for this release.

# v1.27.0 (2023-07-31)

* **Feature**: Adds support for smithy-modeled endpoint resolution. A new rules-based endpoint resolution will be added to the SDK which will supercede and deprecate existing endpoint resolution. Specifically, EndpointResolver will be deprecated while BaseEndpoint and EndpointResolverV2 will take its place. For more information, please see the Endpoints section in our Developer Guide.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.26.1 (2023-07-28)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.26.0 (2023-07-25)

* **Feature**: Amazon Connect Customer Profiles now supports rule-based resolution to match and merge similar profiles into unified profiles, helping companies deliver faster and more personalized customer service by providing access to relevant customer information for agents and automated experiences.

# v1.25.3 (2023-07-13)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.25.2 (2023-06-15)

* No change notes available for this release.

# v1.25.1 (2023-06-13)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.25.0 (2023-06-07)

* **Feature**: This release introduces event stream related APIs.

# v1.24.0 (2023-06-01)

* **Feature**: This release introduces calculated attribute related APIs.

# v1.23.10 (2023-05-16)

* No change notes available for this release.

# v1.23.9 (2023-05-04)

* No change notes available for this release.

# v1.23.8 (2023-04-24)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.23.7 (2023-04-10)

* No change notes available for this release.

# v1.23.6 (2023-04-07)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.23.5 (2023-03-21)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.23.4 (2023-03-10)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.23.3 (2023-02-22)

* **Bug Fix**: Prevent nil pointer dereference when retrieving error codes.

# v1.23.2 (2023-02-20)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.23.1 (2023-02-15)

* **Announcement**: When receiving an error response in restJson-based services, an incorrect error type may have been returned based on the content of the response. This has been fixed via PR #2012 tracked in issue #1910.
* **Bug Fix**: Correct error type parsing for restJson services.

# v1.23.0 (2023-02-06)

* **Feature**: This release deprecates the PartyType and Gender enum data types from the Profile model and replaces them with new PartyTypeString and GenderString attributes, which accept any string of length up to 255.

# v1.22.1 (2023-02-03)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.22.0 (2023-01-05)

* **Feature**: Add `ErrorCodeOverride` field to all error structs (aws/smithy-go#401).

# v1.21.1 (2022-12-15)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.21.0 (2022-12-12)

* **Feature**: This release allows custom strings in PartyType and Gender through 2 new attributes in the CreateProfile and UpdateProfile APIs: PartyTypeString and GenderString.

# v1.20.1 (2022-12-02)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.20.0 (2022-11-14)

* **Feature**: This release enhances the SearchProfiles API by providing functionality to search for profiles using multiple keys and logical operators.

# v1.19.3 (2022-10-24)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.19.2 (2022-10-21)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.19.1 (2022-09-20)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.19.0 (2022-09-14)

* **Feature**: Added isUnstructured in response for Customer Profiles Integration APIs
* **Feature**: Fixed a bug in the API client generation which caused some operation parameters to be incorrectly generated as value types instead of pointer types. The service API always required these affected parameters to be nilable. This fixes the SDK client to match the expectations of the the service API.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.8 (2022-09-02)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.7 (2022-08-31)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.6 (2022-08-29)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.5 (2022-08-11)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.4 (2022-08-09)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.3 (2022-08-08)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.2 (2022-08-01)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.1 (2022-07-05)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.18.0 (2022-06-30)

* **Feature**: This release adds the optional MinAllowedConfidenceScoreForMerging parameter to the CreateDomain, UpdateDomain, and GetAutoMergingPreview APIs in Customer Profiles. This parameter is used as a threshold to influence the profile auto-merging step of the Identity Resolution process.

# v1.17.8 (2022-06-29)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.7 (2022-06-07)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.6 (2022-05-17)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.5 (2022-04-25)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.4 (2022-03-30)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.3 (2022-03-28)

* No change notes available for this release.

# v1.17.2 (2022-03-24)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.1 (2022-03-23)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.17.0 (2022-03-08)

* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.16.0 (2022-02-24)

* **Feature**: API client updated
* **Feature**: Adds RetryMaxAttempts and RetryMod to API client Options. This allows the API clients' default Retryer to be configured from the shared configuration files or environment variables. Adding a new Retry mode of `Adaptive`. `Adaptive` retry mode is an experimental mode, adding client rate limiting when throttles reponses are received from an API. See [retry.AdaptiveMode](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/aws/retry#AdaptiveMode) for more details, and configuration options.
* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.15.0 (2022-01-14)

* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.14.0 (2022-01-07)

* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.13.0 (2021-12-21)

* **Feature**: API client updated

# v1.12.1 (2021-12-02)

* **Bug Fix**: Fixes a bug that prevented aws.EndpointResolverWithOptions from being used by the service client. ([#1514](https://github.com/aws/aws-sdk-go-v2/pull/1514))
* **Dependency Update**: Updated to the latest SDK module versions

# v1.12.0 (2021-11-30)

* **Feature**: API client updated

# v1.11.1 (2021-11-19)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.11.0 (2021-11-06)

* **Feature**: The SDK now supports configuration of FIPS and DualStack endpoints using environment variables, shared configuration, or programmatically.
* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.10.0 (2021-10-21)

* **Feature**: Updated  to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.9.2 (2021-10-11)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.9.1 (2021-09-17)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.9.0 (2021-08-27)

* **Feature**: Updated API model to latest revision.
* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.8.0 (2021-08-19)

* **Feature**: API client updated
* **Dependency Update**: Updated to the latest SDK module versions

# v1.7.2 (2021-08-04)

* **Dependency Update**: Updated `github.com/aws/smithy-go` to latest version.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.7.1 (2021-07-15)

* **Dependency Update**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.7.0 (2021-06-25)

* **Feature**: Updated `github.com/aws/smithy-go` to latest version
* **Dependency Update**: Updated to the latest SDK module versions

# v1.6.1 (2021-05-20)

* **Dependency Update**: Updated to the latest SDK module versions

# v1.6.0 (2021-05-14)

* **Feature**: Constant has been added to modules to enable runtime version inspection for reporting.
* **Dependency Update**: Updated to the latest SDK module versions

