CHANGELOG.md

v1.38.0 (2026-09-09)

• Feature: Stop registering the retry.MetricsHeader middleware in generated clients. The Amz-Sdk-Request header is now set by the retry middleware itself.
• Dependency Update: Updated to the latest SDK module versions

v1.37.0 (2026-09-04)

• Feature: Stop registering the spanRetryLoop middleware in generated clients. The retry loop's tracing span is now opened by the retry middleware itself.
• Dependency Update: Updated to the latest SDK module versions

v1.36.0 (2026-08-31.2)

• Feature: Stop registering the SetCredentialSourceMiddleware middleware in generated clients. Credential source user agent features are now set when the client's middleware stack is constructed.

v1.35.1 (2026-08-28)

• Dependency Update: Updated to the latest SDK module versions

v1.35.0 (2026-08-27)

• Feature: Support connection read timeouts in the SDK. This is currently available on an opt-in basis by setting env AWS_ENABLE_DEFAULT_SOCKET_TIMEOUT_2026=true.
• Dependency Update: Updated to the latest SDK module versions

v1.34.0 (2026-08-26)

• Feature: Stop registering the ComputeContentLength middleware in generated clients. Content-Length is now set when the request body is set via SetStream.
• Dependency Update: Update to smithy-go v1.28.0.
• Dependency Update: Updated to the latest SDK module versions

v1.33.3 (2026-08-25)

• Dependency Update: Update to smithy-go v1.27.10.
• Dependency Update: Updated to the latest SDK module versions

v1.33.2 (2026-08-20)

• Dependency Update: Updated to the latest SDK module versions

v1.33.1 (2026-08-14)

• Dependency Update: Update to smithy-go v1.27.8.
• Dependency Update: Updated to the latest SDK module versions

v1.33.0 (2026-08-11)

• Feature: Enable schema-based (de)serialization for this service.

v1.32.5 (2026-08-10)

• Dependency Update: Update to smithy-go v1.27.7.
• Dependency Update: Updated to the latest SDK module versions

v1.32.4 (2026-08-05)

• Dependency Update: Updated to the latest SDK module versions

v1.32.3 (2026-07-31.2)

• Dependency Update: Updated to the latest SDK module versions
• Dependency Update: Upgrade to smithy-go v1.27.6 to fix various serde issues in HTTP binding services.

v1.32.2 (2026-07-29)

• Dependency Update: Updated to the latest SDK module versions

v1.32.1 (2026-07-28)

• Dependency Update: Update to smithy-go v1.27.5.
• Dependency Update: Updated to the latest SDK module versions

v1.32.0 (2026-07-21)

• Feature: Add an option to clients to disable clock skew
• Dependency Update: Updated to the latest SDK module versions

v1.31.0 (2026-07-16)

• Feature: Marked CreateProxySession, DeleteProxySession, GetProxySession, ListProxySessions, UpdateProxySession, PutVoiceConnectorProxy, DeleteVoiceConnectorProxy, and GetVoiceConnectorProxy as deprecated.

v1.30.1 (2026-07-13)

• No change notes available for this release.

v1.30.0 (2026-07-06)

• Feature: Add request serialization snapshot tests.

v1.29.4 (2026-07-01)

• Bug Fix: Bump smithy-go to 1.27.3, fix JSON encorder for document.Number, endpoint host label format validation and CBOR union serialization on new serde
• Dependency Update: Updated to the latest SDK module versions

v1.29.3 (2026-06-29)

• No change notes available for this release.

v1.29.2 (2026-06-08)

• Dependency Update: Updated to the latest SDK module versions

v1.29.1 (2026-06-05.2)

• Bug Fix: Undo the initial wave of schema-serde releases due to several customer-reported regressions.

v1.29.0 (2026-06-04)

• Feature: Adding new BDD representation of endpoint ruleset
• Dependency Update: Update to smithy-go v1.27.1 to fix several union-related deserialization bugs in schema-serde-enabled services.
• Dependency Update: Updated to the latest SDK module versions

v1.28.19 (2026-06-03)

• Dependency Update: Updated to the latest SDK module versions

v1.28.18 (2026-06-02)

• Dependency Update: Updated to the latest SDK module versions

v1.28.17 (2026-05-29)

• Dependency Update: Update to smithy-go v1.26.0.
• Dependency Update: Updated to the latest SDK module versions

v1.28.16 (2026-05-28)

• Dependency Update: Updated to the latest SDK module versions

v1.28.15 (2026-04-29)

• Dependency Update: Update to smithy-go v1.25.1.
• Dependency Update: Updated to the latest SDK module versions

v1.28.14 (2026-04-17)

• Dependency Update: Bump smithy-go to 1.25.0 to support endpointBdd trait
• Dependency Update: Updated to the latest SDK module versions

v1.28.13 (2026-03-26)

• Bug Fix: Fix a bug where a recorded clock skew could persist on the client even if the client and server clock ended up realigning.
• Dependency Update: Updated to the latest SDK module versions

v1.28.12 (2026-03-13)

• Dependency Update: Updated to the latest SDK module versions

v1.28.11 (2026-03-03)

• Dependency Update: Bump minimum Go version to 1.24
• Dependency Update: Updated to the latest SDK module versions

v1.28.10 (2026-02-23)

• Dependency Update: Updated to the latest SDK module versions

v1.28.9 (2026-01-09)

• Dependency Update: Updated to the latest SDK module versions

v1.28.8 (2025-12-08)

• Dependency Update: Updated to the latest SDK module versions

v1.28.7 (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.

v1.28.6 (2025-11-25)

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

v1.28.5 (2025-11-19.2)

• Dependency Update: Updated to the latest SDK module versions

v1.28.4 (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.

v1.28.3 (2025-11-11)

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

v1.28.2 (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.

v1.28.1 (2025-10-30)

• Dependency Update: Updated to the latest SDK module versions

v1.28.0 (2025-10-23)

• Feature: Update endpoint ruleset parameters casing
• Dependency Update: Updated to the latest SDK module versions

v1.27.1 (2025-10-16)

• Dependency Update: Bump minimum Go version to 1.23.
• Dependency Update: Updated to the latest SDK module versions

v1.27.0 (2025-09-30)

• Feature: Added support for IPv4-only and dual-stack network configurations for VoiceConnector and CreateVoiceConnector API.

v1.26.5 (2025-09-26)

• Dependency Update: Updated to the latest SDK module versions

v1.26.4 (2025-09-23)

• Dependency Update: Updated to the latest SDK module versions

v1.26.3 (2025-09-10)

• No change notes available for this release.

v1.26.2 (2025-09-08)

• Dependency Update: Updated to the latest SDK module versions

v1.26.1 (2025-08-29)

• Dependency Update: Updated to the latest SDK module versions

v1.26.0 (2025-08-27)

• Feature: Remove incorrect endpoint tests
• Dependency Update: Update to smithy-go v1.23.0.
• Dependency Update: Updated to the latest SDK module versions

v1.25.2 (2025-08-21)

• Dependency Update: Updated to the latest SDK module versions

v1.25.1 (2025-08-20)

• Bug Fix: Remove unused deserialization code.

v1.25.0 (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

v1.24.0 (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

v1.23.1 (2025-07-30)

• Dependency Update: Updated to the latest SDK module versions

v1.23.0 (2025-07-28)

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

v1.22.3 (2025-07-19)

• Dependency Update: Updated to the latest SDK module versions

v1.22.2 (2025-06-17)

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

v1.22.1 (2025-06-10)

• Dependency Update: Updated to the latest SDK module versions

v1.22.0 (2025-04-03)

• Feature: Added FOC date as an attribute of PhoneNumberOrder, added AccessDeniedException as a possible return type of ValidateE911Address

v1.21.1 (2025-03-04.2)

• Bug Fix: Add assurance test for operation order.

v1.21.0 (2025-02-27)

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

v1.20.9 (2025-02-18)

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

v1.20.8 (2025-02-05)

• Dependency Update: Updated to the latest SDK module versions

v1.20.7 (2025-01-31)

• Dependency Update: Updated to the latest SDK module versions

v1.20.6 (2025-01-30)

• Dependency Update: Updated to the latest SDK module versions

v1.20.5 (2025-01-24)

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

v1.20.4 (2025-01-17)

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

v1.20.3 (2025-01-15)

• Dependency Update: Updated to the latest SDK module versions

v1.20.2 (2025-01-09)

• Dependency Update: Updated to the latest SDK module versions

v1.20.1 (2024-12-19)

• Dependency Update: Updated to the latest SDK module versions

v1.20.0 (2024-12-02)

• Feature: This release adds supports for enterprises to integrate Amazon Connect with other voice systems. It supports directly transferring voice calls and metadata without using the public telephone network. It also supports real-time and post-call analytics.
• Dependency Update: Updated to the latest SDK module versions

v1.19.6 (2024-11-18)

• Dependency Update: Update to smithy-go v1.22.1.
• Dependency Update: Updated to the latest SDK module versions

v1.19.5 (2024-11-07)

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

v1.19.4 (2024-11-06)

• Dependency Update: Updated to the latest SDK module versions

v1.19.3 (2024-10-28)

• Dependency Update: Updated to the latest SDK module versions

v1.19.2 (2024-10-08)

• Dependency Update: Updated to the latest SDK module versions

v1.19.1 (2024-10-07)

• Dependency Update: Updated to the latest SDK module versions

v1.19.0 (2024-10-04)

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

v1.18.4 (2024-10-03)

• No change notes available for this release.

v1.18.3 (2024-09-27)

• No change notes available for this release.

v1.18.2 (2024-09-25)

• No change notes available for this release.

v1.18.1 (2024-09-23)

• No change notes available for this release.

v1.18.0 (2024-09-20)

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

v1.17.8 (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.

v1.17.7 (2024-09-10)

• Documentation: Documentation-only update that clarifies the ValidateE911Address action of the Amazon Chime SDK Voice APIs.

v1.17.6 (2024-09-04)

• No change notes available for this release.

v1.17.5 (2024-09-03)

• Dependency Update: Updated to the latest SDK module versions

v1.17.4 (2024-08-15)

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

v1.17.3 (2024-07-10.2)

• Dependency Update: Updated to the latest SDK module versions

v1.17.2 (2024-07-10)

• Dependency Update: Updated to the latest SDK module versions

v1.17.1 (2024-06-28)

• Dependency Update: Updated to the latest SDK module versions

v1.17.0 (2024-06-26)

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

v1.16.1 (2024-06-19)

• Dependency Update: Updated to the latest SDK module versions

v1.16.0 (2024-06-18)

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

v1.15.7 (2024-06-17)

• Dependency Update: Updated to the latest SDK module versions

v1.15.6 (2024-06-07)

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

v1.15.5 (2024-06-03)

• Dependency Update: Updated to the latest SDK module versions

v1.15.4 (2024-05-23)

• No change notes available for this release.

v1.15.3 (2024-05-16)

• Dependency Update: Updated to the latest SDK module versions

v1.15.2 (2024-05-15)

• Dependency Update: Updated to the latest SDK module versions

v1.15.1 (2024-05-08)

• Bug Fix: GoDoc improvement

v1.15.0 (2024-04-30)

• Feature: Due to changes made by the Amazon Alexa service, GetSipMediaApplicationAlexaSkillConfiguration and PutSipMediaApplicationAlexaSkillConfiguration APIs are no longer available for use. For more information, refer to the Alexa Smart Properties page.

v1.14.4 (2024-03-29)

• Dependency Update: Updated to the latest SDK module versions

v1.14.3 (2024-03-18)

• Dependency Update: Updated to the latest SDK module versions

v1.14.2 (2024-03-07)

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

v1.14.1 (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

v1.14.0 (2024-02-22)

• Feature: Add middleware stack snapshot tests.

v1.13.2 (2024-02-21)

• Dependency Update: Updated to the latest SDK module versions

v1.13.1 (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.

v1.13.0 (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

v1.12.6 (2024-01-04)

• Dependency Update: Updated to the latest SDK module versions

v1.12.5 (2023-12-08)

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

v1.12.4 (2023-12-07)

• Dependency Update: Updated to the latest SDK module versions

v1.12.3 (2023-12-06)

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

v1.12.2 (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

v1.12.1 (2023-11-30)

• Dependency Update: Updated to the latest SDK module versions

v1.12.0 (2023-11-29)

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

v1.11.6 (2023-11-28.2)

• Dependency Update: Updated to the latest SDK module versions

v1.11.5 (2023-11-28)

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

v1.11.4 (2023-11-20)

• Dependency Update: Updated to the latest SDK module versions

v1.11.3 (2023-11-15)

• Dependency Update: Updated to the latest SDK module versions

v1.11.2 (2023-11-09)

• Dependency Update: Updated to the latest SDK module versions

v1.11.1 (2023-11-02)

• No change notes available for this release.

v1.11.0 (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

v1.10.0 (2023-10-31)

• Feature: BREAKING CHANGE: Bump minimum go version to 1.19 per the revised go version support policy.
• Dependency Update: Updated to the latest SDK module versions

v1.9.2 (2023-10-12)

• Dependency Update: Updated to the latest SDK module versions

v1.9.1 (2023-10-06)

• Dependency Update: Updated to the latest SDK module versions

v1.9.0 (2023-09-18)

• Announcement: [BREAKFIX] Change in MaxResults datatype from value to pointer type in cognito-sync service.
• Feature: Adds several endpoint ruleset changes across all models: smaller rulesets, removed non-unique regional endpoints, fixes FIPS and DualStack endpoints, and make region not required in SDK::Endpoint. Additional breakfix to cognito-sync field.

v1.8.3 (2023-08-21)

• Dependency Update: Updated to the latest SDK module versions

v1.8.2 (2023-08-18)

• Dependency Update: Updated to the latest SDK module versions

v1.8.1 (2023-08-17)

• Dependency Update: Updated to the latest SDK module versions

v1.8.0 (2023-08-09)

• Feature: Updating CreatePhoneNumberOrder, UpdatePhoneNumber and BatchUpdatePhoneNumbers APIs, adding phone number name

v1.7.2 (2023-08-07)

• Dependency Update: Updated to the latest SDK module versions

v1.7.1 (2023-08-01)

• No change notes available for this release.

v1.7.0 (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

v1.6.4 (2023-07-28)

• Dependency Update: Updated to the latest SDK module versions

v1.6.3 (2023-07-13)

• Dependency Update: Updated to the latest SDK module versions

v1.6.2 (2023-06-15)

• No change notes available for this release.

v1.6.1 (2023-06-13)

• Dependency Update: Updated to the latest SDK module versions

v1.6.0 (2023-05-30)

• Feature: Added optional CallLeg field to StartSpeakerSearchTask API request

v1.5.2 (2023-05-04)

• No change notes available for this release.

v1.5.1 (2023-04-24)

• Dependency Update: Updated to the latest SDK module versions

v1.5.0 (2023-04-13)

• Feature: This release adds tagging support for Voice Connectors and SIP Media Applications

v1.4.2 (2023-04-10)

• No change notes available for this release.

v1.4.1 (2023-04-07)

• Dependency Update: Updated to the latest SDK module versions

v1.4.0 (2023-03-27)

• Feature: Documentation updates for Amazon Chime SDK Voice.

v1.3.0 (2023-03-23)

• Feature: This release adds Amazon Chime SDK call analytics. Call analytics include voice analytics, which provides speaker search and voice tone analysis. These capabilities can be used with Amazon Transcribe and Transcribe Call Analytics to generate machine-learning-powered insights from real-time audio.

v1.2.2 (2023-03-21)

• Dependency Update: Updated to the latest SDK module versions

v1.2.1 (2023-03-10)

• Dependency Update: Updated to the latest SDK module versions

v1.2.0 (2023-02-22)

• Feature: This release introduces support for Voice Connector media metrics in the Amazon Chime SDK Voice namespace
• Bug Fix: Prevent nil pointer dereference when retrieving error codes.

v1.1.3 (2023-02-20)

• Dependency Update: Updated to the latest SDK module versions

v1.1.2 (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.

v1.1.1 (2023-02-03)

• Dependency Update: Updated to the latest SDK module versions

v1.1.0 (2023-01-05)

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

v1.0.3 (2022-12-23)

• No change notes available for this release.

v1.0.2 (2022-12-15)

• Dependency Update: Updated to the latest SDK module versions

v1.0.1 (2022-12-02)

• Dependency Update: Updated to the latest SDK module versions

v1.0.0 (2022-11-18)

• Release: New AWS service client module
• Feature: Amazon Chime Voice Connector, Voice Connector Group and PSTN Audio Service APIs are now available in the Amazon Chime SDK Voice namespace. See https://docs.aws.amazon.com/chime-sdk/latest/dg/sdk-available-regions.html for more details.