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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Nothing withdrawn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:batch: Update batch client to latest version
api-change:batch: Update batch client to latest version
api-change:comprehend: Update comprehend client to latest version
api-change:securityhub: Update securityhub client to latest version
api-change:securityhub: Update securityhub client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:acm: Update acm client to latest version
One column per quarter.
api-change:emr: Update emr client to latest version
api-change:emr: Update emr client to latest version
api-change:ssm: Update ssm client to latest version
api-change:comprehend: Update comprehend client to latest version
api-change:comprehend: Update comprehend client to latest version
api-change:cloudwatch: Update cloudwatch client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:medialive: Update medialive client to latest version
api-change:pinpoint-email: Update pinpoint-email client to latest version
api-change:workspaces: Update workspaces 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:ecs: Update ecs client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:transfer: Update transfer client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:s3: Update s3 client to latest version
api-change:workmail: Update workmail client to latest version
api-change:workmail: Update workmail client to latest version
api-change:glue: Update glue client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
api-change:robomaker: Update robomaker client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:fms: Update fms client to latest version
api-change:iot1click-devices: Update iot1click-devices client to latest version
api-change:iot1click-projects: Update iot1click-projects client to latest version
api-change:iot1click-projects: Update iot1click-projects client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:autoscaling: Update autoscaling client to latest version
api-change:events: Update events client to latest version
api-change:cognito-idp: Update cognito-idp client to latest version
api-change:cognito-identity: Update cognito-identity client to latest version
api-change:cognito-identity: Update cognito-identity client to latest version
api-change:codepipeline: Update codepipeline client to latest version
api-change:meteringmarketplace: Update meteringmarketplace client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:eks: Update eks client to latest version
api-change:dms: Update dms client to latest version
api-change:dms: Update dms client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:chime: Update chime client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:config: Update config client to latest version
api-change:acm: Update acm client to latest version
api-change:iot: Update iot client to latest version
api-change:acm-pca: Update acm-pca client to latest version
api-change:cloudwatch: Update cloudwatch client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:logs: Update logs client to latest version
api-change:serverlessrepo: Update serverlessrepo client to latest version
api-change:serverlessrepo: Update serverlessrepo client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:quicksight: Update quicksight client to latest version
api-change:glue: Update glue client to latest version
api-change:ce: Update ce client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:s3: Update s3 client to latest version
api-change:s3: Update s3 client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:greengrass: Update greengrass client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:rds: Update rds client to latest version
api-change:medialive: Update medialive client to latest version
api-change:autoscaling: Update autoscaling client to latest version
api-change:ecs: Update ecs client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:textract: Update textract client to latest version
api-change:textract: Update textract client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:medialive: Update medialive client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:mediapackage: Update mediapackage client to latest version
api-change:mediapackage: Update mediapackage client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:autoscaling-plans: Update autoscaling-plans client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
api-change:apigatewayv2: Update apigatewayv2 client to latest version
api-change:alexaforbusiness: Update alexaforbusiness client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:waf-regional: Update waf-regional client to latest version
api-change:waf-regional: Update waf-regional client to latest version
api-change:waf: Update waf client to latest version
api-change:discovery: Update discovery client to latest version
api-change:discovery: Update discovery client to latest version
api-change:organizations: Update organizations client to latest version
api-change:resource-groups: Update resource-groups client to latest version
api-change:opsworkscm: Update opsworkscm client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:mediaconvert: Update mediaconvert client to latest version
api-change:cur: Update cur client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:mediastore: Update mediastore client to latest version
api-change:ce: Update ce client to latest version
api-change:autoscaling: Update autoscaling client to latest version
api-change:athena: Update athena client to latest version
api-change:athena: Update athena client to latest version
api-change:glue: Update glue client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:cloud9: Update cloud9 client to latest version
api-change:kinesis-video-archived-media: Update kinesis-video-archived-media client to latest version
api-change:kinesis-video-archived-media: Update kinesis-video-archived-media client to latest version
api-change:workdocs: Update workdocs client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:cloudwatch: Update cloudwatch client to latest version
api-change:organizations: Update organizations client to latest version
api-change:kinesisvideo: Update kinesisvideo client to latest version
api-change:kinesis-video-media: Update kinesis-video-media client to latest version
api-change:transfer: Update transfer client to latest version
api-change:codecommit: Update codecommit client to latest version
api-change:codecommit: Update codecommit client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:medialive: Update medialive client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:ssm: Update ssm client to latest version
api-change:ds: Update ds client to latest version
enhancement:Paginator: Add additional paginators for CloudFormation
api-change:efs: Update efs client to latest version
api-change:athena: Update athena client to latest version
api-change:athena: Update athena client to latest version
api-change:secretsmanager: Update secretsmanager client to latest version
api-change:chime: Update chime client to latest version
api-change:chime: Update chime client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:iot: Update iot client to latest version
api-change:kinesisvideo: Update kinesisvideo client to latest version
api-change:kinesisvideo: Update kinesisvideo client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:mediatailor: Update mediatailor client to latest version
api-change:efs: Update efs client to latest version
api-change:lambda: Update lambda client to latest version
api-change:lambda: Update lambda client to latest version
api-change:appstream: Update appstream client to latest version
api-change:appstream: Update appstream client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:mediapackage: Update mediapackage client to latest version
api-change:discovery: Update discovery client to latest version
api-change:discovery: Update discovery client to latest version
api-change:ecs: Update ecs client to latest version
api-change:dlm: Update dlm client to latest version
api-change:es: Update es client to latest version
api-change:es: Update es client to latest version
api-change:medialive: Update medialive client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:robomaker: Update robomaker client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:fsx: Update fsx client to latest version
api-change:shield: Update shield client to latest version
api-change:shield: Update shield client to latest version
api-change:servicecatalog: Update servicecatalog client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ecs: Update ecs client to latest version
api-change:ecs: Update ecs client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:workspaces: Update workspaces client to latest version
api-change:codecommit: Update codecommit client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:codecommit: Update codecommit client to latest version
api-change:medialive: Update medialive client to latest version
api-change:mediaconnect: Update mediaconnect client to latest version
api-change:logs: Update logs client to latest version
api-change:logs: Update logs client to latest version
api-change:elbv2: Update elbv2 client to latest version
api-change:rds: Update rds client to latest version
api-change:codebuild: Update codebuild client to latest version
api-change:sms-voice: Update sms-voice client to latest version
api-change:ecr: Update ecr client to latest version
api-change:worklink: Update worklink client to latest version
api-change:worklink: Update worklink client to latest version
api-change:apigatewaymanagementapi: Update apigatewaymanagementapi client to latest version
api-change:acm-pca: Update acm-pca client to latest version
api-change:appstream: Update appstream client to latest version
api-change:appstream: Update appstream client to latest version
api-change:discovery: Update discovery client to latest version
api-change:dms: Update dms client to latest version
api-change:fms: Update fms client to latest version
api-change:ssm: Update ssm client to latest version
api-change:glue: Update glue client to latest version
api-change:glue: Update glue client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:lightsail: Update lightsail client to latest version
api-change:lambda: Update lambda client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:ce: Update ce client to latest version
api-change:backup: Update backup client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:mediaconvert: Update mediaconvert 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:emr: Update emr client to latest version
api-change:iot: Update iot client to latest version
api-change:iot: Update iot client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:docdb: Update docdb client to latest version
api-change:docdb: Update docdb client to latest version
api-change:redshift: Update redshift client to latest version
api-change:appmesh: Update appmesh client to latest version
api-change:appmesh: Update appmesh 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:iotanalytics: Update iotanalytics client to latest version
api-change:iotanalytics: Update iotanalytics client to latest version
enhancement:Paginator: Added over 400 new paginators.
enhancement:Paginator: Added over 400 new paginators.
api-change:opsworkscm: Update opsworkscm 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:dynamodb: Update dynamodb client to latest version
api-change:sms-voice: Update sms-voice client to latest version
api-change:stepfunctions: Update stepfunctions client to latest version
api-change:medialive: Update medialive client to latest version
api-change:medialive: Update medialive client to latest version
enhancement:EndpointDiscovery: Add a config option, endpoint_discovery_enabled, for automatically discovering endpoints
api-change:comprehend: Update comprehend client to latest version
api-change:firehose: Update firehose client to latest version
api-change:transcribe: Update transcribe client to latest version
api-change:cognito-idp: Update cognito-idp client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:sagemaker: Update sagemaker client to latest version
api-change:waf-regional: Update waf-regional client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:waf: Update waf client to latest version
Your coding agent can read these notes before it upgrades. Set up the MCP server →