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PyPI · #17 most downloaded on PyPI
Low-level, data-driven core of boto 3.
Last release 4 days ago
02 Oct 2026
Ships on a steady schedule
a new release about every 8 days
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
14 years old
2530 releases · first in 2012
feature:RDS: Add support for customizing the order in which Aurora Replicas are promoted to primary instance during a failover
feature:RDS: Add support for customizing the order in which Aurora Replicas are promoted to primary instance during a failover
bugfix:Signature Version 4: Fix issue when calculating signature version 4 signature for certain urls (issue 827)
feature:S3: Added support for delete marker and abort multipart upload lifecycle configuration.
feature:S3: Added support for delete marker and abort multipart upload lifecycle configuration.
feature:IOT: Added support for Amazon Elasticsearch Service and Amazon Cloudwatch actions for the AWS IoT rules engine.
feature:CloudHSM: Added support for tagging resources.
One column per quarter.
feature:SES: Added support for white-labeling
feature:SES: Added support for white-labeling
feature:CodeDeploy: Added support for BatchGetDeploymentGroups
feature:endpoints: Updated endpoints.json to latest version
feature:IAM: Update model to latest version
feature:IAM: Update model to latest version
feature:Redshift: Update model to latest version
feature:CodeCommit: Update model to latest version
feature:CodeCommit: Update model to latest version
feature:Config: Update model to latest version
feature:DeviceFarm: Update model to latest version
feature:DirectConnect: Update model to latest version
feature:Events: Update model to latest version
bugfix:DynamoDB Local: Fix issue when using the local region with dynamodb (issue 819)
bugfix:CloudSearchDomain: Fix issue when signing requests for cloudsearchdomain (boto3 issue 538)
feature:EC2: Add support for VPC peering with security groups.
feature:EC2: Add support for VPC peering with security groups.
feature:DirectoryService: Add SNS event notification support
feature:DynamoDB: Add support for DescribeLimits.
feature:DynamoDB: Add support for DescribeLimits.
feature:APIGateway: Add support for TestInvokeAuthorizer and FlushStageAuthorizersCache operations.
feature:CloudSearchDomain: Add support for stats.
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feature:CodeDeploy: Added support for setting up triggers for a deployment group.
feature:CodeDeploy: Added support for setting up triggers for a deployment group.
bugfix:SSL: Fixed issue where AWS_CA_BUNDLE was not being used.
feature:EMR: Added support for adding EBS storage to EMR instances.
feature:EMR: Added support for adding EBS storage to EMR instances.
bugfix:pagination: Refactored pagination to handle non-string service tokens.
bugfix:credentials: Fix race condition in credential provider.
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