# v1.4.21 (2026-03-13)

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

# v1.4.20 (2026-03-05)

* **Bug Fix**: Read the correct auth property for SigV4A signing names.

# v1.4.19 (2026-03-03)

* **Bug Fix**: Modernize non codegen files with go fix
* **Dependency Update**: Bump minimum Go version to 1.24
* **Dependency Update**: Updated to the latest SDK module versions

# v1.4.18 (2026-02-23)

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

# v1.4.17 (2026-01-09)

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

# v1.4.16 (2025-12-08)

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

# v1.4.15 (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.

# v1.4.14 (2025-11-19.2)

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

# v1.4.13 (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.

# v1.4.12 (2025-10-30)

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

# v1.4.11 (2025-10-23)

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

# v1.4.10 (2025-10-16)

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

# v1.4.9 (2025-09-26)

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

# v1.4.8 (2025-09-23)

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

# v1.4.7 (2025-09-08)

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

# v1.4.6 (2025-08-29)

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

# v1.4.5 (2025-08-27)

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

# v1.4.4 (2025-08-21)

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

# v1.4.3 (2025-08-11)

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

# v1.4.2 (2025-08-04)

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

# v1.4.1 (2025-07-30)

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

# v1.4.0 (2025-07-28)

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

# v1.3.37 (2025-07-19)

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

# v1.3.36 (2025-06-17)

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

# v1.3.35 (2025-06-10)

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

# v1.3.34 (2025-02-27)

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

# v1.3.33 (2025-02-18)

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

# v1.3.32 (2025-02-05)

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

# v1.3.31 (2025-01-31)

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

# v1.3.30 (2025-01-30)

* **Bug Fix**: Do not sign Transfer-Encoding header in Sigv4[a]. Fixes a signer mismatch issue with S3 Accelerate.
* **Dependency Update**: Updated to the latest SDK module versions

# v1.3.29 (2025-01-24)

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

# v1.3.28 (2025-01-15)

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

# v1.3.27 (2025-01-09)

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

# v1.3.26 (2024-12-19)

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

# v1.3.25 (2024-12-02)

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

# v1.3.24 (2024-11-18)

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

# v1.3.23 (2024-11-06)

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

# v1.3.22 (2024-10-28)

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

# v1.3.21 (2024-10-08)

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

# v1.3.20 (2024-10-07)

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

# v1.3.19 (2024-10-04)

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

# v1.3.18 (2024-09-20)

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

# v1.3.17 (2024-09-03)

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

# v1.3.16 (2024-08-15)

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

# v1.3.15 (2024-07-10.2)

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

# v1.3.14 (2024-07-10)

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

# v1.3.13 (2024-06-28)

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

# v1.3.12 (2024-06-19)

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

# v1.3.11 (2024-06-18)

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

# v1.3.10 (2024-06-17)

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

# v1.3.9 (2024-06-07)

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

# v1.3.8 (2024-06-03)

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

# v1.3.7 (2024-05-16)

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

# v1.3.6 (2024-05-15)

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

# v1.3.5 (2024-03-29)

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

# v1.3.4 (2024-03-18)

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

# v1.3.3 (2024-03-07)

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

# v1.3.2 (2024-02-23)

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

# v1.3.1 (2024-02-21)

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

# v1.3.0 (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

# v1.2.10 (2024-01-04)

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

# v1.2.9 (2023-12-07)

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

# v1.2.8 (2023-12-01)

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

# v1.2.7 (2023-11-30)

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

# v1.2.6 (2023-11-29)

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

# v1.2.5 (2023-11-28.2)

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

# v1.2.4 (2023-11-20)

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

# v1.2.3 (2023-11-15)

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

# v1.2.2 (2023-11-09)

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

# v1.2.1 (2023-11-01)

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

# v1.2.0 (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

# v1.1.6 (2023-10-12)

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

# v1.1.5 (2023-10-06)

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

# v1.1.4 (2023-08-21)

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

# v1.1.3 (2023-08-18)

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

# v1.1.2 (2023-08-17)

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

# v1.1.1 (2023-08-07)

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

# v1.1.0 (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

# v1.0.28 (2023-07-28)

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

# v1.0.27 (2023-07-13)

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

# v1.0.26 (2023-06-13)

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

# v1.0.25 (2023-04-24)

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

# v1.0.24 (2023-04-07)

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

# v1.0.23 (2023-03-21)

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

# v1.0.22 (2023-03-10)

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

# v1.0.21 (2023-02-20)

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

# v1.0.20 (2023-02-14)

* No change notes available for this release.

# v1.0.19 (2023-02-03)

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

# v1.0.18 (2022-12-15)

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

# v1.0.17 (2022-12-02)

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

# v1.0.16 (2022-10-24)

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

# v1.0.15 (2022-10-21)

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

# v1.0.14 (2022-09-20)

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

# v1.0.13 (2022-09-14)

* **Bug Fix**: Fixes an issues where an error from an underlying SigV4 credential provider would not be surfaced from the SigV4a credential provider. Contribution by [sakthipriyan-aqfer](https://github.com/sakthipriyan-aqfer).
* **Dependency Update**: Updated to the latest SDK module versions

# v1.0.12 (2022-09-02)

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

# v1.0.11 (2022-08-31)

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

# v1.0.10 (2022-08-29)

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

# v1.0.9 (2022-08-11)

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

# v1.0.8 (2022-08-09)

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

# v1.0.7 (2022-08-08)

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

# v1.0.6 (2022-08-01)

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

# v1.0.5 (2022-07-05)

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

# v1.0.4 (2022-06-29)

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

# v1.0.3 (2022-06-07)

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

# v1.0.2 (2022-05-17)

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

# v1.0.1 (2022-04-25)

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

# v1.0.0 (2022-04-07)

* **Release**: New internal v4a signing module location.

