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Last release 4 days ago
09 Oct 2026
Ships on a steady schedule
a new release about every 2 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
819 releases · first in 2020
One column per quarter.
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Bug Fix: Update presign post URL resolution to use the exact result from EndpointResolverV2
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Feature: Add support for the new optional bucket-region and prefix query parameters in the ListBuckets API. For ListBuckets requests that express pagi
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Bug Fix: BREAKING CHANGE: S3 ReplicationRuleFilter and LifecycleRuleFilter shapes are being changed from union to structure types
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Dependency Update: Updated to the latest SDK module versions
Bug Fix: CHANGE IN BEHAVIOR: Allow serialization of headers with empty string for prefix headers. We are deploying this fix because the behavior is ac
Feature: Add support for HTTP client metrics.
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Feature: This release introduces a header representing the minimum object size limit for Lifecycle transitions.
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Feature: Add tracing and metrics support to service clients.
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Feature: Added SSE-KMS support for directory buckets.
Bug Fix: BREAKFIX: Only generate AccountIDEndpointMode config for services that use it. This is a compiler break, but removes no actual functionality,
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Dependency Update: Updated to the latest SDK module versions
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Feature: Add presignPost for s3 PutObject
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Feature: Amazon Simple Storage Service / Features : Add support for conditional writes for PutObject and CompleteMultipartUpload APIs.
Feature: Amazon Simple Storage Service / Features : Adds support for pagination in the S3 ListBuckets API.
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Bug Fix: Add assurance tests for auth scheme selection logic.
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Dependency Update: Updated to the latest SDK module versions
Dependency Update: Updated to the latest SDK module versions
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Feature: Added response overrides to Head Object requests.
Dependency Update: Updated to the latest SDK module versions
Feature: Support list-of-string endpoint parameter.
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