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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Nothing withdrawn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
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:macie: Update macie client to latest version
api-change:neptune: Update neptune client to latest version
api-change:acm-pca: Update acm-pca client to latest version
api-change:acm-pca: Update acm-pca client to latest version
api-change:rds: Update rds client to latest version
api-change:medialive: Update medialive client to latest version
One column per quarter.
api-change:rekognition: Update rekognition client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:apigateway: Update apigateway client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ecs: Update ecs client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:rds: Update rds client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:mediatailor: Update mediatailor client to latest version
api-change:mediatailor: Update mediatailor client to latest version
api-change:medialive: Update medialive client to latest version
api-change:medialive: Update medialive client to latest version
api-change:polly: Update polly client to latest version
api-change:polly: Update polly client to latest version
api-change:ce: Update ce client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:shield: Update shield client to latest version
api-change:rds: Update rds client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:mgh: Update mgh client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:appstream: Update appstream client to latest version
api-change:eks: Update eks client to latest version
api-change:ds: Update ds client to latest version
api-change:ds: Update ds client to latest version
api-change:mediatailor: Update mediatailor client to latest version
api-change:sns: Update sns client to latest version
api-change:redshift: Update redshift client to latest version
api-change:iot: Update iot client to latest version
api-change:neptune: Update neptune client to latest version
api-change:neptune: Update neptune client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:pi: Update pi client to latest version
api-change:pi: Update pi client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:config: Update config client to latest version
api-change:appstream: Update appstream client to latest version
api-change:glue: Update glue client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:rds: Update rds client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:inspector: Update inspector client to latest version
api-change:inspector: Update inspector client to latest version
enhancement:Credentials: Disable proxy configuration when fetching container credentials
api-change:ecs: Update ecs client to latest version
api-change:cloudformation: Update cloudformation client to latest version
api-change:cloudformation: Update cloudformation client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:ses: Update ses client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:cognito-idp: Update cognito-idp client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:organizations: Update organizations client to latest version
api-change:organizations: Update organizations client to latest version
api-change:iot1click-devices: Update iot1click-devices client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:iot1click-projects: Update iot1click-projects client to latest version
api-change:firehose: Update firehose client to latest version
api-change:firehose: Update firehose client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:rds: Update rds client to latest version
api-change:rds: Update rds client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:budgets: Update budgets client to latest version
api-change:rds: Update rds client to latest version
api-change:rds: Update rds client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:s3: Update s3 client to latest version
api-change:budgets: Update budgets client to latest version
api-change:es: Update es client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:appsync: Update appsync client to latest version
api-change:acm: Update acm client to latest version
api-change:acm: Update acm client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:route53domains: Update route53domains client to latest version
api-change:workspaces: Update workspaces client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:glacier: Update glacier client to latest version
api-change:glacier: Update glacier client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:xray: Update xray client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:iot: Update iot client to latest version
api-change:autoscaling-plans: Update autoscaling-plans client to latest version
api-change:medialive: Update medialive client to latest version
api-change:medialive: Update medialive client to latest version
api-change:firehose: Update firehose client to latest version
api-change:ce: Update ce client to latest version
api-change:ce: Update ce client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:rds: Update rds client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:workmail: Update workmail client to latest version
api-change:dms: Update dms client to latest version
api-change:mediapackage: Update mediapackage client to latest version
api-change:glue: Update glue client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:batch: Update batch client to latest version
api-change:batch: Update batch client to latest version
enhancement:shield: Added paginator for list_protections operation.
enhancement:shield: Added paginator for list_protections operation.
api-change:ssm: Update ssm client to latest version
api-change:s3: Update s3 client to latest version
api-change:s3: Update s3 client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:acm: Update acm client to latest version
api-change:config: Update config client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:acm-pca: Update acm-pca client to latest version
api-change:cloudwatch: Update cloudwatch client to latest version
feature:s3: Add support for S3 Select. Amazon S3 Select is an Amazon S3 feature that makes it easy to retrieve specific data from the contents of an object using simple SQL expressions without having to retrieve the entire object. With this release of the Amazon S3 SDK, S3 Select API (SelectObjectContent) is now generally available in all public regions. This release supports retrieval of a subset of data using SQL clauses, like SELECT and WHERE, from delimited text files and JSON objects in Amazon S3 through the SelectObjectContent API available in AWS S3 SDK.
api-change:fms: Update fms client to latest version
api-change:lambda: Update lambda client to latest version
api-change:lambda: Update lambda client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:translate: Update translate client to latest version
api-change:cloudfront: Update cloudfront client to latest version
api-change:cloudfront: Update cloudfront client to latest version
api-change:apigateway: Update apigateway client to latest version
api-change:es: Update es client to latest version
api-change:connect: Update connect client to latest version
api-change:connect: Update connect client to latest version
api-change:acm: Update acm client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:cloudformation: Update cloudformation client to latest version
api-change:ssm: Update ssm client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:mturk: Update mturk client to latest version
api-change:mturk: Update mturk client to latest version
api-change:sts: Update sts client to latest version
api-change:iam: Update iam client to latest version
api-change:acm: Update acm client to latest version
api-change:acm: Update acm client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:dynamodb: Update dynamodb client to latest version
bugfix:s3: Fix bug where invalid head_object requests would cause an infinite loop (alternate fix to #1400)
api-change:rds: Update rds client to latest version
api-change:rds: Update rds client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ecs: Update ecs client to latest version
api-change:appstream: Update appstream client to latest version
api-change:codebuild: Update codebuild client to latest version
bugfix:s3: Fix regression in redirects in using wrong region
bugfix:s3: Fix regression in redirects in using wrong region
bugfix:s3: Fixed a bug where head object and bucket calls would attempt redirects incorrectly.
bugfix:s3: Fixed a bug where head object and bucket calls would attempt redirects incorrectly.
api-change:serverlessrepo: Update serverlessrepo client to latest version
api-change:ce: Update ce client to latest version
api-change:ce: Update ce client to latest version
enhancement:Credentials: Add the ability to disable fetching credentials from EC2 metadata by setting the environment variable AWS_EC2_METADATA_DISABLED to 'true'.
api-change:config: Update config client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:glue: Update glue client to latest version
api-change:medialive: Update medialive client to latest version
bugfix:Credentials: Fix a race condition related to assuming a role for the first time (#1405)
api-change:events: Update events client to latest version
api-change:ecs: Update ecs client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:organizations: Update organizations client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:servicediscovery: Update servicediscovery client to latest version
api-change:servicediscovery: Update servicediscovery client to latest version
Your coding agent can read these notes before it upgrades. Set up the MCP server →