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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Nothing withdrawn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:greengrass: Update greengrass client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:lex-runtime: Update lex-runtime client to latest version
api-change:fms: Update fms client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
One column per quarter.
api-change:kafka: Update kafka client to latest version
api-change:kafka: Update kafka client to latest version
api-change:elasticache: Update elasticache client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:organizations: Update organizations client to latest version
api-change:organizations: Update organizations client to latest version
api-change:events: Update events client to latest version
api-change:firehose: Update firehose client to latest version
api-change:datasync: Update datasync client to latest version
api-change:snowball: Update snowball client to latest version
api-change:snowball: Update snowball client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:firehose: Update firehose client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:glue: Update glue client to latest version
api-change:pinpoint-email: Update pinpoint-email client to latest version
api-change:cognito-idp: Update cognito-idp client to latest version
api-change:cognito-idp: Update cognito-idp client to latest version
api-change:mediapackage: Update mediapackage client to latest version
api-change:ssm: Update ssm client to latest version
api-change:es: Update es client to latest version
api-change:es: Update es client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:docdb: Update docdb client to latest version
api-change:docdb: Update docdb client to latest version
api-change:waf: Update waf client to latest version
api-change:waf: Update waf client to latest version
api-change:rds: Update rds client to latest version
api-change:mq: Update mq client to latest version
api-change:amplify: Update amplify client to latest version
api-change:amplify: Update amplify client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:globalaccelerator: Update globalaccelerator client to latest version
api-change:globalaccelerator: Update globalaccelerator client to latest version
api-change:dms: Update dms client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:comprehendmedical: Update comprehendmedical client to latest version
api-change:datasync: Update datasync client to latest version
api-change:rds-data: Update rds-data client to latest version
api-change:rds-data: Update rds-data client to latest version
api-change:redshift: Update redshift client to latest version
api-change:workspaces: Update workspaces client to latest version
api-change:workspaces: Update workspaces client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:rds: Update rds client to latest version
api-change:mediaconnect: Update mediaconnect client to latest version
api-change:mediaconnect: Update mediaconnect client to latest version
api-change:glue: Update glue client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ram: Update ram client to latest version
api-change:ram: Update ram client to latest version
api-change:waf-regional: Update waf-regional client to latest version
api-change:apigateway: Update apigateway client to latest version
api-change:iam: Update iam client to latest version
api-change:iam: Update iam client to latest version
api-change:athena: Update athena client to latest version
api-change:personalize: Update personalize client to latest version
api-change:eks: Update eks client to latest version
api-change:eks: Update eks client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:workmailmessageflow: Update workmailmessageflow client to latest version
api-change:medialive: Update medialive client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:rds: Update rds client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:mediaconnect: Update mediaconnect client to latest version
api-change:ses: Update ses client to latest version
api-change:config: Update config client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:qldb: Update qldb client to latest version
api-change:qldb: Update qldb client to latest version
api-change:marketplacecommerceanalytics: Update marketplacecommerceanalytics client to latest version
api-change:appstream: Update appstream client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:robomaker: Update robomaker client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:qldb-session: Update qldb-session client to latest version
api-change:kinesisanalytics: Update kinesisanalytics client to latest version
api-change:kinesisanalytics: Update kinesisanalytics client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:eks: Update eks client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ecs: Update ecs client to latest version
api-change:resourcegroupstaggingapi: Update resourcegroupstaggingapi client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:mq: Update mq client to latest version
api-change:mq: Update mq client to latest version
api-change:apigatewaymanagementapi: Update apigatewaymanagementapi client to latest version
api-change:ecs: Update ecs client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:elasticache: Update elasticache client to latest version
api-change:lambda: Update lambda client to latest version
api-change:ecs: Update ecs client to latest version
api-change:sqs: Update sqs client to latest version
api-change:sqs: Update sqs client to latest version
api-change:globalaccelerator: Update globalaccelerator client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:organizations: Update organizations client to latest version
api-change:organizations: Update organizations client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:securityhub: Update securityhub client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:mediapackage-vod: Update mediapackage-vod client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:datasync: Update datasync client to latest version
api-change:datasync: Update datasync client to latest version
api-change:rds: Update rds client to latest version
api-change:forecast: Update forecast client to latest version
api-change:forecast: Update forecast client to latest version
api-change:forecastquery: Update forecastquery client to latest version
api-change:personalize-runtime: Update personalize-runtime client to latest version
api-change:elasticache: Update elasticache client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:sqs: Update sqs client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:transfer: Update transfer client to latest version
api-change:appstream: Update appstream client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:cur: Update cur client to latest version
api-change:robomaker: Update robomaker client to latest version
api-change:robomaker: Update robomaker client to latest version
api-change:emr: Update emr client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:athena: Update athena client to latest version
api-change:codecommit: Update codecommit client to latest version
api-change:glue: Update glue client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:appsync: Update appsync client to latest version
api-change:appsync: Update appsync client to latest version
api-change:autoscaling: Update autoscaling client to latest version
api-change:autoscaling: Update autoscaling client to latest version
api-change:cloudwatch: Update cloudwatch client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:guardduty: Update guardduty client to latest version
api-change:lex-runtime: Update lex-runtime client to latest version
api-change:redshift: Update redshift client to latest version
api-change:iot: Update iot client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:lakeformation: Update lakeformation client to latest version
api-change:lakeformation: Update lakeformation client to latest version
api-change:opsworkscm: Update opsworkscm client to latest version
api-change:glue: Update glue client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:application-insights: Update application-insights client to latest version
api-change:application-insights: Update application-insights client to latest version
api-change:batch: Update batch client to latest version
api-change:batch: Update batch client to latest version
api-change:datasync: Update datasync client to latest version
api-change:datasync: Update datasync client to latest version
api-change:iot: Update iot client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:sts: Update sts client to latest version
api-change:sts: Update sts client to latest version
enhancement:Credentials: Add support for a credential provider that handles resolving credentials via STS AssumeRoleWithWebIdentity
api-change:polly: Update polly client to latest version
api-change:polly: Update polly client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:route53: Update route53 client to latest version
bugfix:S3: Fix an issue that would cause S3 list_object_versions to sometimes fail parsing responses with certain key values.
bugfix:S3: Fix an issue that would cause S3 list_object_versions to sometimes fail parsing responses with certain key values.
api-change:codecommit: Update codecommit client to latest version
api-change:ce: Update ce client to latest version
api-change:ce: Update ce client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:glue: Update glue client to latest version
api-change:logs: Update logs client to latest version
api-change:mediaconnect: Update mediaconnect client to latest version
api-change:batch: Update batch client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:medialive: Update medialive client to latest version
api-change:medialive: Update medialive client to latest version
api-change:ecr: Update ecr client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:sts: Update sts client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:glue: Update glue client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:mq: Update mq client to latest version
api-change:mq: Update mq client to latest version
api-change:shield: Update shield client to latest version
bugfix:Dependency: Fixed dependency issue with broken docutils aws/aws-cli#4332 __
bugfix:Dependency: Fixed dependency issue with broken docutils aws/aws-cli`#4332 <https://github.com/boto/botocore/issues/4332>`__
api-change:sqs: Update sqs client to latest version
api-change:sqs: Update sqs client to latest version
api-change:iotevents: Update iotevents client to latest version
api-change:comprehend: Update comprehend client to latest version
api-change:comprehend: Update comprehend client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:elasticache: Update elasticache client to latest version
api-change:ecs: Update ecs client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:dms: Update dms client to latest version
api-change:autoscaling: Update autoscaling client to latest version
Your coding agent can read these notes before it upgrades. Set up the MCP server →