# v2.0.0 (Unreleased) # v2.0.0-beta.74 (2026-07-28) ENHANCEMENTS * Reduces memory allocation in logging. ([#1496](https://github.com/hashicorp/aws-sdk-go-base/pull/1496)) BUG FIXES * Updates dependencies. # v2.0.0-beta.73 (2026-05-26) BUG FIXES * Updates dependencies. # v2.0.0-beta.72 (2026-03-20) ENHANCEMENTS * `tfawserr`: Add `ErrMessageContainsAny` helper BUG FIXES * Updates dependencies. # v2.0.0-beta.71 (2026-03-02) BUG FIXES * Updates dependencies. # v2.0.0-beta.70 (2025-12-23) ENHANCEMENTS * Updates supported endpoints ([#1402](https://github.com/hashicorp/aws-sdk-go-base/pull/1402)) * `useragent`: Fix handling of product names with forward slashes in `FromSlice` ([#1401](https://github.com/hashicorp/aws-sdk-go-base/pull/1401)) BUG FIXES * Updates dependencies. # v2.0.0-beta.69 (2025-12-08) ENHANCEMENTS * Updates supported endpoints ([#1390](https://github.com/hashicorp/aws-sdk-go-base/pull/1390)) * `useragent`: Add `FromSlice` function ([#1389](https://github.com/hashicorp/aws-sdk-go-base/pull/1389)) BUG FIXES * Updates dependencies. # v2.0.0-beta.68 (2025-10-04) ENHANCEMENTS * Adds support for additional AWS region ([#1369](https://github.com/hashicorp/aws-sdk-go-base/pull/1369)) BUG FIXES * Updates dependencies. # v2.0.0-beta.67 (2025-10-02) ENHANCEMENTS * Adds support for updated endpoints ([#1361](https://github.com/hashicorp/aws-sdk-go-base/pull/1361)) BUG FIXES * Updates dependencies. # v2.0.0-beta.66 (2025-09-02) ENHANCEMENTS * Adds support for additional AWS region ([#1347](https://github.com/hashicorp/aws-sdk-go-base/pull/1347)) BUG FIXES * Updates dependencies. # v2.0.0-beta.65 (2025-06-06) ENHANCEMENTS * Adds support for additional AWS region ([#1321](https://github.com/hashicorp/aws-sdk-go-base/pull/1321)) BUG FIXES * Updates dependencies. # v2.0.0-beta.64 (2025-04-04) ENHANCEMENTS * Adds support for additional AWS regions ([#1301](https://github.com/hashicorp/aws-sdk-go-base/pull/1301)) BUG FIXES * Updates dependencies. # v2.0.0-beta.63 (2025-03-18) BUG FIXES * Updates dependencies. # v2.0.0-beta.62 (2025-02-04) ENHANCEMENTS * Adds support for additional AWS regions ([#1262](https://github.com/hashicorp/aws-sdk-go-base/pull/1262)) BUG FIXES * Updates dependencies. # v2.0.0-beta.61 (2025-01-15) ENHANCEMENTS * Adds support for AWS region `mx-central-1` ([#1248](https://github.com/hashicorp/aws-sdk-go-base/pull/1248)) BUG FIXES * Updates dependencies. # v2.0.0-beta.60 (2025-01-08) ENHANCEMENTS * Adds support for AWS region `ap-southeast-7` ([#1240](https://github.com/hashicorp/aws-sdk-go-base/pull/1240)) BUG FIXES * Updates dependencies. # v2.0.0-beta.59 (2024-10-28) ENHANCEMENTS * Update generated `endpoints` ([#1205](https://github.com/hashicorp/aws-sdk-go-base/pull/1205)) BUG FIXES * Updates dependencies. # v2.0.0-beta.58 (2024-09-23) ENHANCEMENTS * Adds per-partition service endpoint metadata to the top-level `endpoints` package ([#1182](https://github.com/hashicorp/aws-sdk-go-base/pull/1182)) # v2.0.0-beta.57 (2024-09-18) ENHANCEMENTS * Adds top-level `endpoints` package containing AWS partition and Region metadata ([#1176](https://github.com/hashicorp/aws-sdk-go-base/pull/1176)) # v2.0.0-beta.56 (2024-09-11) ENHANCEMENTS * Adds support for IAM role chaining ([#1170](https://github.com/hashicorp/aws-sdk-go-base/pull/1170)) # v2.0.0-beta.55 (2024-08-27) BUG FIXES * Updates dependencies. ENHANCEMENTS * Adds support for AWS region `ap-southeast-5` ([#1156](https://github.com/hashicorp/aws-sdk-go-base/pull/1156)) # v2.0.0-beta.54 (2024-06-19) BUG FIXES * Updates dependencies. # v2.0.0-beta.53 (2024-05-09) BUG FIXES * Updates dependencies. ENHANCEMENTS * Adds `Backoff` parameter to configure the backoff strategy the retryer will use to determine the delay between retry attempts ([#1045](https://github.com/hashicorp/aws-sdk-go-base/pull/1045)) # v2.0.0-beta.52 (2024-04-11) BUG FIXES * Updates dependencies. ENHANCEMENTS * Adds `MaxBackoff` parameter to configure the maximum backoff delay that is allowed to occur between retrying a failed request ([#1011](https://github.com/hashicorp/aws-sdk-go-base/pull/1011)) # v2.0.0-beta.51 (2024-04-04) BUG FIXES * Correctly handles user agents passed using `TF_APPEND_USER_AGENT` which contain `/`, `(`, `)`, or space ([#990](https://github.com/hashicorp/aws-sdk-go-base/pull/990)) # v2.0.0-beta.50 (2024-03-19) BUG FIXES * Updates dependencies. ENHANCEMENTS * Changes the default AWS SDK for Go v2 API client [`RateLimiter`](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2@v1.26.0/aws/retry#RateLimiter) to [`ratelimit.None`](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/aws/ratelimit#pkg-variables) in order to maintain behavioral compatibility with AWS SDK for Go v1 ([#977](https://github.com/hashicorp/aws-sdk-go-base/pull/977)) # v2.0.0-beta.49 (2024-03-12) NOTES * Updates to Go 1.21 (used by Terraform starting with `v1.6.0` and the AWS provider since `5.37.0`), which, for Windows, requires at least Windows 10 or Windows Server 2016--support for previous versions has been discontinued--and, for macOS, requires macOS 10.15 Catalina or later--support for previous versions has been discontinued ([#960](https://github.com/hashicorp/aws-sdk-go-base/pull/960)). * Updates dependencies. BREAKING CHANGES * Removes the `UseLegacyWorkflow` configuration option ([#962](https://github.com/hashicorp/aws-sdk-go-base/pull/962)) # v2.0.0-beta.48 (2024-02-21) BUG FIXES * Updates dependencies. ENHANCEMENTS * Adds `TokenBucketRateLimiterCapacity` parameter to configure token bucket rate limiter capacity ([#933](https://github.com/hashicorp/aws-sdk-go-base/pull/933)) # v2.0.0-beta.47 (2024-02-14) BUG FIXES * Ensures that each AWS SDK for Go v2 API client gets an independent `Retryer` ([#918](https://github.com/hashicorp/aws-sdk-go-base/pull/918)) * Updates dependencies. # v2.0.0-beta.46 (2024-01-03) BUG FIXES * Updates dependencies. ENHANCEMENTS * Adds support for AWS region `ca-west-1` ([#858](https://github.com/hashicorp/aws-sdk-go-base/pull/858)) # v2.0.0-beta.45 (2023-12-12) BUG FIXES * Updates dependencies. # v2.0.0-beta.44 (2023-12-01) BUG FIXES * Updates dependencies. # v2.0.0-beta.43 (2023-11-28) BUG FIXES * Updates dependencies. # v2.0.0-beta.42 (2023-11-21) BUG FIXES * Updates dependencies. # v2.0.0-beta.41 (2023-11-16) BUG FIXES * Fixes error with stripping SSO Start URLs in shared configuration files ([#787](https://github.com/hashicorp/aws-sdk-go-base/pull/787)) # v2.0.0-beta.40 (2023-11-14) ENHANCEMENTS * Adds `HttpsProxy` and `NoProxy` parameters to configure separate HTTPS proxy and proxy bypass ([#775](https://github.com/hashicorp/aws-sdk-go-base/pull/775)) # v2.0.0-beta.39 (2023-11-08) ENHANCEMENTS * Adds `SsoEndpoint` parameter to override default AWS SSO endpoint ([#741](https://github.com/hashicorp/aws-sdk-go-base/pull/741)) # v2.0.0-beta.38 (2023-11-01) ENHANCEMENTS * Improves the readability of an error message returned from `GetAwsAccountIDAndPartition` ([#713](https://github.com/hashicorp/aws-sdk-go-base/pull/713)) * Adds `tfawserr.ErrCodeContains` ([#733](https://github.com/hashicorp/aws-sdk-go-base/pull/733)) # v2.0.0-beta.37 (2023-10-11) NOTES * Updates dependencies, including an update to `aws-sdk-go-v2` which fixes an [issue](https://github.com/aws/aws-sdk-go-v2/issues/2166) with FIPS endpoint resolution in GovCloud regions. # v2.0.0-beta.36 (2023-09-22) BREAKING CHANGES * The `ValidateRegion` function has been moved to the `validation` package and renamed to `SupportedRegion` ([#650](https://github.com/hashicorp/aws-sdk-go-base/pull/650)) ENHANCEMENTS * Adds `JSONNoDuplicateKeys` function to the `validation` package ([#650](https://github.com/hashicorp/aws-sdk-go-base/pull/650)) * logging: S3 object bodies are no longer logged. Body size is logged instead. # v2.0.0-beta.35 (2023-09-05) ENHANCEMENTS * Adds `AllowedAccountIds` and `ForbiddenAccountIds` fields and a `VerifyAccountIDAllowed` method to `Config` ([#638](https://github.com/hashicorp/aws-sdk-go-base/pull/638)) * Adds `tfawserr.ErrHTTPStatusCodeEquals` ([#642](https://github.com/hashicorp/aws-sdk-go-base/pull/642)) # v2.0.0-beta.34 (2023-08-17) BREAKING CHANGES * Now requires a `logging.Logger` implementation to enable logging ([#605](https://github.com/hashicorp/aws-sdk-go-base/pull/605)) # v2.0.0-beta.33 (2023-08-04) BREAKING CHANGES * Public functions return `diag.Diagnostics` instead of `error` ([#553](https://github.com/hashicorp/aws-sdk-go-base/pull/553)) # v2.0.0-beta.32 (2023-07-20) NOTES Dependency Updates # v2.0.0-beta.31 (2023-07-06) ENHANCEMENT * Adds `tfawserr.ErrMessageContains` for AWS services that don't define Go error types ([#533](https://github.com/hashicorp/aws-sdk-go-base/pull/533)) # v2.0.0-beta.30 (2023-06-22) ENHANCEMENTS * Adds more sensitive value masking in HTTP request and response logs ([#523](https://github.com/hashicorp/aws-sdk-go-base/pull/523)) * Adds `tfawserr.ErrCodeEquals` for AWS services that don't define Go error types ([#524](https://github.com/hashicorp/aws-sdk-go-base/pull/524)) # v2.0.0-beta.29 (2023-06-08) ENHANCEMENT * Enables support for Adaptive retry mode ([#489](https://github.com/hashicorp/aws-sdk-go-base/pull/489)) # v2.0.0-beta.28 (2023-06-01) BUG FIXES * Limits HTTP response body size in logs to 4 KB ([#490](https://github.com/hashicorp/aws-sdk-go-base/pull/490)) ENHANCEMENTS * Updates limit of HTTP requsest body size in logs to 1 KB ([#490](https://github.com/hashicorp/aws-sdk-go-base/pull/490)) # v2.0.0-beta.27 (2023-05-24) BUG FIXES * Reintroduces special handling to work around very high AWS API retry counts removed in v2.0.0-beta.26 ([#481](https://github.com/hashicorp/aws-sdk-go-base/pull/481)) # v2.0.0-beta.26 (2023-05-23) BREAKING CHANGES * Removes special handling to work around very high AWS API retry counts. ([#462](https://github.com/hashicorp/aws-sdk-go-base/pull/462)) # v2.0.0-beta.25 (2023-03-23) ENHANCEMENTS * Enables more logging during setup. ([#386](https://github.com/hashicorp/aws-sdk-go-base/pull/386)) # v2.0.0-beta.24 (2023-02-23) BUG FIXES * Avoids retries on `Expired Token` errors. ([#362](https://github.com/hashicorp/aws-sdk-go-base/pull/362)) # v2.0.0-beta.23 (2023-02-09) BUG FIXES * Truncates HTTP request bodies in logs. ([#351](https://github.com/hashicorp/aws-sdk-go-base/pull/351)) ENHANCEMENTS * Adds support for AWS region `ap-southeast-4`. ([#348](https://github.com/hashicorp/aws-sdk-go-base/pull/348)) # v2.0.0-beta.22 (2023-02-02) BREAKING CHANGES * Adds `context.Context` return value to `GetAwsConfig` with configured logger. Adds `context.Context` parameter to `awsbasev1.GetSession`. ([#341](https://github.com/hashicorp/aws-sdk-go-base/pull/341)) BUG FIXES * Scrubs sensitive values from HTTP request and response logs. ([#341](https://github.com/hashicorp/aws-sdk-go-base/pull/341)) ENHANCEMENTS * Uses structured logging. ([#341](https://github.com/hashicorp/aws-sdk-go-base/pull/341)) # v2.0.0-beta.21 (2023-01-13) ENHANCEMENTS * Adds support for a congfigurable HTTP client. ([#340](https://github.com/hashicorp/aws-sdk-go-base/pull/340)) # v2.0.0-beta.20 (2022-11-22) ENHANCEMENTS * Adds support for AWS region `ap-south-2`. ([#339](https://github.com/hashicorp/aws-sdk-go-base/pull/339)) # v2.0.0-beta.19 (2022-11-16) ENHANCEMENTS * Adds support for AWS region `eu-south-2`. ([#337](https://github.com/hashicorp/aws-sdk-go-base/pull/337)) # v2.0.0-beta.18 (2022-11-15) ENHANCEMENTS * Adds support for AWS region `eu-central-2`. ([#335](https://github.com/hashicorp/aws-sdk-go-base/pull/335)) # v2.0.0-beta.17 (2022-08-31) ENHANCEMENTS * Adds support for `max_attempts` in shared config files. ([#278](https://github.com/hashicorp/aws-sdk-go-base/pull/278)) * Prevents silent failures when `RoleARN` missing from `AssumeRole` or `AssumeRoleWithWebIdentity`. ([#277](https://github.com/hashicorp/aws-sdk-go-base/pull/277)) * Adds support for `SourceIdentity` with `AssumeRole`. ([#311](https://github.com/hashicorp/aws-sdk-go-base/pull/311)) * Adds support for AWS region `me-central-1`. ([#328](https://github.com/hashicorp/aws-sdk-go-base/pull/328)) * Adds support for passing HTTP User-Agent products in `useragent.Context`. ([#318](https://github.com/hashicorp/aws-sdk-go-base/pull/318)) # v2.0.0-beta.16 (2022-04-27) BREAKING CHANGES * Removes boolean `SkipEC2MetadataApiCheck` and adds `EC2MetadataServiceEnableState` of type `imds.ClientEnableState`. ([#240](https://github.com/hashicorp/aws-sdk-go-base/pull/240)) ENHANCEMENTS * Adds support for assuming IAM role with web identity. ([#178](https://github.com/hashicorp/aws-sdk-go-base/pull/178)) # v2.0.0-beta.15 (2022-04-12) ENHANCEMENTS * Adds parameter `SuppressDebugLog` to suppress logging. ([#232](https://github.com/hashicorp/aws-sdk-go-base/pull/232)) # v2.0.0-beta.14 (2022-04-07) ENHANCEMENTS * Adds support for custom CA bundles in shared config files for AWS SDK for Go v1. ([#226](https://github.com/hashicorp/aws-sdk-go-base/pull/226)) # v2.0.0-beta.13 (2022-03-09) NOTES * Filters CR characters out of AWS SDK for Go v1 logs. ([#174](https://github.com/hashicorp/aws-sdk-go-base/pull/174)) # v2.0.0-beta.12 (2022-03-02) NOTES * Filters CR characters out of AWS SDK for Go v2 logs. ([#157](https://github.com/hashicorp/aws-sdk-go-base/pull/157)) # v2.0.0-beta.11 (2022-02-28) BUG FIXES * No longer overrides shared config and credentials files when using defaults. ([#151](https://github.com/hashicorp/aws-sdk-go-base/pull/151)) # v2.0.0-beta.10 (2022-02-25) ENHANCEMENTS * Adds logging for explicitly set authentication parameters. ([#146](https://github.com/hashicorp/aws-sdk-go-base/pull/146)) * Adds warning log when `Profile` and static credentials environment variables are set. ([#146](https://github.com/hashicorp/aws-sdk-go-base/pull/146)) # v2.0.0-beta.9 (2022-02-23) BUG FIXES * Now returns an error if an invalid profile is specified. ([#128](https://github.com/hashicorp/aws-sdk-go-base/pull/128)) ENHANCEMENTS * Retrieves region from IMDS when credentials sourced from IMDS. ([#131](https://github.com/hashicorp/aws-sdk-go-base/pull/131)) # v2.0.0-beta.8 (2022-02-18) BUG FIXES * Restores expansion of `~/` in file paths. ([#118](https://github.com/hashicorp/aws-sdk-go-base/pull/118)) * Fixes error when setting custom CA bundle. ([#122](https://github.com/hashicorp/aws-sdk-go-base/pull/122)) ENHANCEMENTS * Adds expansion of environment variables in file paths. ([#118](https://github.com/hashicorp/aws-sdk-go-base/pull/118)) * Updates list of valid regions. ([#111](https://github.com/hashicorp/aws-sdk-go-base/pull/111)) * Adds parameter `CustomCABundle`. ([#122](https://github.com/hashicorp/aws-sdk-go-base/pull/122)) # v2.0.0-beta.7 (2022-02-14) BUG FIXES * Updates HTTP client to correctly handle IMDS authentication from inside a container. ([#116](https://github.com/hashicorp/aws-sdk-go-base/pull/116)) # v2.0.0-beta.6 (2022-02-09) BREAKING CHANGES * Removes config parameter `DebugLogging` and always enables logging. Client applications are expected to filter logs by setting log levels. ([#97](https://github.com/hashicorp/aws-sdk-go-base/pull/97)) ENHANCEMENTS * Adds support for setting maximum retries using environment variable `AWS_MAX_ATTEMPTS`. ([#105](https://github.com/hashicorp/aws-sdk-go-base/pull/105)) # v2.0.0-beta.5 (2022-01-31) BUG FIXES * Was not correctly setting additional user-agent string parameters on AWS SDK v1 `Session`. ([#95](https://github.com/hashicorp/aws-sdk-go-base/pull/95)) # v2.0.0-beta.4 (2022-01-31) ENHANCEMENTS * Adds support for IPv6 IMDS endpoints with parameter `EC2MetadataServiceEndpointMode` and environment variable `AWS_EC2_METADATA_SERVICE_ENDPOINT_MODE`. ([#92](https://github.com/hashicorp/aws-sdk-go-base/pull/92)) * Adds parameter `EC2MetadataServiceEndpoint` and environment variable `AWS_EC2_METADATA_SERVICE_ENDPOINT`. Deprecates environment variable `AWS_METADATA_URL`. ([#92](https://github.com/hashicorp/aws-sdk-go-base/pull/92)) * Adds parameter `StsRegion`. ([#91](https://github.com/hashicorp/aws-sdk-go-base/pull/91)) * Adds parameters `UseDualStackEndpoint` and `UseFIPSEndpoint`. ([#88](https://github.com/hashicorp/aws-sdk-go-base/pull/88)) BREAKING CHANGES * Renames parameter `SkipMetadataApiCheck` to `SkipEC2MetadataApiCheck`. ([#92](https://github.com/hashicorp/aws-sdk-go-base/pull/92)) * Renames assume role parameter `DurationSeconds` to `Duration`. ([#84](https://github.com/hashicorp/aws-sdk-go-base/pull/84)) # v2.0.0-beta.3 (2021-11-03) ENHANCEMENTS * Adds parameter `UserAgent` to append to user-agent string. ([#86](https://github.com/hashicorp/aws-sdk-go-base/pull/86)) # v2.0.0-beta.2 (2021-09-27) ENHANCEMENTS * Adds parameter `HTTPProxy`. ([#81](https://github.com/hashicorp/aws-sdk-go-base/pull/81)) * Adds parameter `APNInfo` to add APN data to user-agent string. ([#82](https://github.com/hashicorp/aws-sdk-go-base/pull/82)) BREAKING CHANGES * Moves assume role parameters to `AssumeRole` struct. ([#78](https://github.com/hashicorp/aws-sdk-go-base/pull/78))