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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Nothing withdrawn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:cloudfront: Update cloudfront client to latest version
api-change:cloudfront: Update cloudfront client to latest version
api-change:storagegateway: Update storagegateway client to latest version
api-change:resourcegroupstaggingapi: Update resourcegroupstaggingapi client to latest version
api-change:cloudformation: Update cloudformation client to latest version
api-change:config: Update config client to latest version
api-change:batch: Update batch client to latest version
api-change:batch: Update batch client to latest version
api-change:ec2: Update ec2 client to latest version
One column per quarter.
api-change:ssm: Update ssm client to latest version
api-change:ssm: Update ssm client to latest version
bugfix:config: Fix a bug in loading config files from paths that contain non-ascii characters. Fixes aws/aws-cli`#2395 <https://github.com/boto/botocore/issues/2395>`__
api-change:cloudtrail: Update cloudtrail client to latest version
api-change:cloudtrail: Update cloudtrail client to latest version
api-change:application-autoscaling: Update application-autoscaling client to latest version
api-change:discovery: Update discovery client to latest version
api-change:discovery: Update discovery client to latest version
api-change:lambda: Update lambda client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:pinpoint: Update pinpoint client to latest version
api-change:directconnect: Update directconnect client to latest version
enhancement:Credentials: Add support for localhost when using container credential provider (#1160)
api-change:codebuild: Update codebuild client to latest version
api-change:marketplacecommerceanalytics: Update marketplacecommerceanalytics client to latest version
api-change:rekognition: Update rekognition client to latest version
api-change:budgets: Update budgets client to latest version
api-change:budgets: Update budgets client to latest version
api-change:apigateway: Update apigateway client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:events: Update events client to latest version
api-change:rds: Update rds client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:devicefarm: Update devicefarm client to latest version
api-change:events: Update events client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:codedeploy: Update codedeploy client to latest version
api-change:emr: Update emr client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:apigateway: Update apigateway client to latest version
api-change:organizations: Update organizations client to latest version
api-change:organizations: Update organizations client to latest version
api-change:workdocs: Update workdocs client to latest version
api-change:rds: Update rds client to latest version
api-change:rds: Update rds client to latest version
api-change:budgets: Update budgets client to latest version
api-change:budgets: Update budgets client to latest version
api-change:cloudtrail: Update cloudtrail client to latest version
api-change:opsworkscm: Update opsworkscm client to latest version
api-change:waf: Update waf client to latest version
api-change:waf: Update waf client to latest version
api-change:mturk: Update mturk client to latest version
api-change:iam: Update iam client to latest version
api-change:organizations: Update organizations client to latest version
api-change:waf-regional: Update waf-regional client to latest version
api-change:dynamodb: Update dynamodb client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:dynamodbstreams: Update dynamodbstreams 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:ec2: Update ec2 client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:clouddirectory: Update clouddirectory client to latest version
api-change:gamelift: Update gamelift client to latest version
api-change:elasticbeanstalk: Update elasticbeanstalk client to latest version
api-change:route53: Update route53 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:ec2: Update ec2 client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:directconnect: Update directconnect client to latest version
api-change:config: Update config client to latest version
api-change:config: Update config client to latest version
api-change:cognito-identity: Update cognito-identity client to latest version
feature:kms: Update kms client to latest version
feature:kms: Update kms client to latest version
feature:ec2: Update ec2 client to latest version
feature:ec2: Update ec2 client to latest version
feature:storagegateway: Update storagegateway client to latest version
feature:storagegateway: Update storagegateway client to latest version
feature:Waiter: Adds several new waiters.
feature:clouddirectory: Update clouddirectory client to latest version
feature:lex-runtime: Update lex-runtime client to latest version
feature:rekognition: Update rekognition client to latest version
feature:rekognition: Update rekognition client to latest version
feature:ec2: Update ec2 client to latest version
feature:lex-runtime: Update lex-runtime client to latest version
feature:lex-runtime: Update lex-runtime client to latest version
feature:Paginator: Added paginators for multiple services
feature:ec2: Update ec2 client to latest version
feature:ec2: Update ec2 client to latest version
feature:clouddirectory: Update clouddirectory client to latest version
feature:codedeploy: Update codedeploy client to latest version
feature:rds: Update rds client to latest version
feature:elbv2: Update elbv2 client to latest version
feature:elbv2: Update elbv2 client to latest version
feature:rds: Update rds client to latest version
feature:codebuild: Update codebuild client to latest version
feature:codebuild: Update codebuild client to latest version
feature:ecs: Update ecs client to latest version
feature:codecommit: Update codecommit client to latest version
feature:health: Update health client to latest version
feature:health: Update health client to latest version
feature:acm: Update acm client to latest version
feature:ec2: Update ec2 client to latest version
feature:ec2: Update ec2 client to latest version
feature:rds: Update rds client to latest version
feature:rds: Update rds client to latest version
feature:glacier: Update glacier client to latest version
feature:glacier: Update glacier client to latest version
feature:dynamodb: Update dynamodb client to latest version
feature:route53: Update route53 client to latest version
feature:polly: Update polly client to latest version
feature:rekognition: Update rekognition client to latest version
feature:Exceptions: Add modeled exceptions on client via Client.exceptions property
feature:Exceptions: Add modeled exceptions on client via Client.exceptions property
feature:dynamodb: Update dynamodb client to latest version
feature:config: Update config client to latest version
feature:cur: Update cur client to latest version
feature:elasticache: Update elasticache client to latest version
feature:rds: Update rds client to latest version
feature:rds: Update rds client to latest version
feature:marketplacecommerceanalytics: Update marketplacecommerceanalytics client to latest version
feature:config: Update config client to latest version
feature:iam: Update iam client to latest version
feature:lambda: Update lambda client to latest version
feature:dynamodbstreams: Update dynamodbstreams client to latest version
feature:efs: Update efs client to latest version
feature:rekognition: Update rekognition client to latest version
feature:codedeploy: Update codedeploy client to latest version
feature:codedeploy: Update codedeploy client to latest version
bugfix:Paginator: Fix a paginator bug involving optional tokens (#1057)
feature:ecs: Update ecs client to latest version
feature:iam: Update iam client to latest version
feature:iam: Update iam client to latest version
feature:apigateway: Update apigateway client to latest version
feature:ds: Update ds client to latest version
feature:elasticbeanstalk: Update elasticbeanstalk client to latest version
feature:kms: Update kms client to latest version
feature:rds: Update rds client to latest version
feature:rds: Update rds client to latest version
feature:ecr: Update ecr client to latest version
feature:storagegateway: Update storagegateway client to latest version
feature:storagegateway: Update storagegateway client to latest version
feature:firehose: Update firehose client to latest version
feature:route53: Update route53 client to latest version
feature:discovery: Update discovery client to latest version
feature:discovery: Update discovery client to latest version
feature:cognito-identity: Update cognito-identity client to latest version
feature:inspector: Update inspector client to latest version
feature:sqs: Update sqs client to latest version
feature:cloudformation: Update cloudformation client to latest version
feature:ssm: Update ssm client to latest version
feature:ssm: Update ssm client to latest version
feature:user-agent: Default user agent now includes the environment variable $AWS_EXECUTION_ENVIRONMENT
bugfix:Python 3.6: Adds compatibility with the new Python 3.6 HTTPConnection.
bugfix:sigv4: Do not sign x-amzn-trace-id as it can be mutated along the way.
feature:cognito-idp: Update cognito-idp client to latest version
feature:dms: Update dms client to latest version
feature:dms: Update dms client to latest version
feature:rds: Update rds client to latest version
feature:logs: Update logs client to latest version
feature:marketplacecommerceanalytics: Update marketplacecommerceanalytics client to latest version
feature:elasticbeanstalk: Update elasticbeanstalk client to latest version
feature:sts: Update sts client to latest version
feature:batch: Update batch client to latest version
feature:cloudfront: Add lambda function associations to cache behaviors.
feature:cloudfront: Add lambda function associations to cache behaviors.
feature:rds: Add cluster create data to DBCluster APIs.
feature:waf-regional: With this new feature, customers can use AWS WAF directly on Application Load Balancers in a VPC within available regions to protect their websites and web services from malicious attacks such as SQL injection, Cross Site Scripting, bad bots, etc.
feature:config: Update config client to latest version
feature:config: Update config client to latest version
feature:health: Add paginators for Health.
feature:sqs: Update sqs client to latest version
feature:s3: Update s3 client to latest version
feature:pinpoint: Update pinpoint client to latest version
feature:pinpoint: Update pinpoint client to latest version
feature:ec2: Update ec2 client to latest version
feature:sts: Update sts client to latest version
feature:config: Update config client to latest version
bugfix:Exceptions: Allow parsing of json error responses with non-json bodies.
bugfix:Exceptions: Allow parsing of json error responses with non-json bodies.
feature:opsworks-cm: Added waiter for Opsworks CM
feature:parameter: Automatically inject an idempotency token into parameters marked with the idempotencyToken trait
feature:parameter: Automatically inject an idempotency token into parameters marked with the idempotencyToken trait
feature:appstream: Update appstream client to latest version
feature:directconnect: Update directconnect client to latest version
feature:elasticbeanstalk: Update elasticbeanstalk client to latest version
feature:shield: Update shield client to latest version
feature:opsworkscm: Update opsworkscm client to latest version
feature:lambda: Update lambda client to latest version
feature:codebuild: Update codebuild client to latest version
feature:xray: Update xray client to latest version
feature:stepfunctions: Update stepfunctions client to latest version
feature:ssm: Update ssm client to latest version
feature:health: Update health client to latest version
feature:ec2: Update ec2 client to latest version
feature:apigateway: Update apigateway client to latest version
feature:pinpoint: Update pinpoint client to latest version
feature:lightsail: Update lightsail client to latest version
feature:lightsail: Update lightsail client to latest version
feature:polly: Update polly client to latest version
feature:snowball: Update snowball client to latest version
feature:rekognition: Update rekognition client to latest version
bugfix:s3: fixes #1059 __ (presigned s3v4 URL bug related to blank query parameters being filtered incorrectly)
bugfix:s3: fixes #1059 (presigned s3v4 URL bug related to blank query parameters being filtered incorrectly)
feature:s3: Update s3 client to latest version
bugfix:Presigner: Support presigning rest-json services.
feature:s3: Update s3 client to latest version
feature:s3: Update s3 client to latest version
feature:glacier: Update glacier client to latest version
feature:cloudformation: Update cloudformation client to latest version
feature:route53: Update route53 client to latest version
feature:cloudtrail: Update cloudtrail client to latest version
feature:cloudtrail: Update cloudtrail client to latest version
feature:ecs: Update ecs client to latest version
feature:application-autoscaling: Update application-autoscaling client to latest version
feature:application-autoscaling: Update application-autoscaling client to latest version
feature:elastictranscoder: Update elastictranscoder client to latest version
feature:lambda: Update lambda client to latest version
feature:emr: Update emr client to latest version
feature:gamelift: Update gamelift client to latest version
feature:Loader: Support loading json extra files.
feature:Loader: Support loading json extra files.
feature:meteringmarketplace: Update meteringmarketplace client to latest version
feature:cloudwatch: Update cloudwatch client to latest version
feature:apigateway: Update apigateway client to latest version
feature:sqs: Update sqs client to latest version
feature:route53: Update route53 client to latest version
feature:route53: Update route53 client to latest version
feature:servicecatalog: Update servicecatalog client to latest version
feature:kinesis: Update kinesis client to latest version
feature:kinesis: Update kinesis client to latest version
feature:ds: Update ds client to latest version
feature:elasticache: Update elasticache client to latest version
feature:cognito-idp: Update cognito-idp client to latest version
feature:cognito-idp: Update cognito-idp client to latest version
feature:Paginator: Add paginators for AWS WAF
bugfix:Parsers: ResponseMetadata will now always be populated, provided the response was able to be parsed into a dict.
bugfix:Parsers: ResponseMetadata will now always be populated, provided the response was able to be parsed into a dict.
feature:cloudformation: Update cloudformation client to latest version
feature:logs: Update logs client to latest version
feature:directconnect: Update directconnect client to latest version
feature:directconnect: Update directconnect client to latest version
feature:ses: Update ses client to latest version
feature:ses: Update ses client to latest version
feature:cloudformation: Update cloudformation client to latest version
feature:cloudformation: Update cloudformation client to latest version
feature:Stub: Made ANY usable for nested parameters
feature:elbv2: Update elbv2 client to latest version
feature:elbv2: Update elbv2 client to latest version
feature:autoscaling: Update autoscaling client to latest version
Your coding agent can read these notes before it upgrades. Set up the MCP server →