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PyPI · #600 most downloaded on PyPI
A library that allows you to easily mock out tests based on AWS infrastructure
Last release 1 months ago
22 Aug 2026
Ships fairly regularly
a new release about every 3 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
9 years old
1022 releases · first in 2017
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One column per quarter.
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Docker Digest for 5.0.11: _sha256:438f7fbb5fa1dff2cf0887c59466ff78bed5aaca9ea7b5cf54d6a41fc2418e28_
Docker Digest for 5.0.11: sha256:438f7fbb5fa1dff2cf0887c59466ff78bed5aaca9ea7b5cf54d6a41fc2418e28
New Methods:
* ServiceDiscovery:
* deregister_instance()
* discover_instances()
* discover_instances_revision()
* get_instance()
* get_instances_health_status()
* list_instances()
* register_instance()
* update_http_namespace()
* update_instance_custom_health_status()
Miscellaneous:
* DynamoDB: transact_write_items() no longer throws a ValidationException when passing multiple set actions, only when passing multiple set clauses
* DynamoDB: transact_write_items() no longer throws an Exception when ExpressionAttributeNames are not provided
(Both bugs were introduced in 5.0.10)
* IOT-data: update_thing_shadow() now calculates the delta correctly
* ResourceGroupsTagging: get_resources() now supports EFS resources
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Docker Digest for 5.0.10: _sha256:bfb9cd2a437fc7c754b3a6a66b7fb528ec1a53e0c683e8b75514bff81543cf55_
Docker Digest for 5.0.10: sha256:bfb9cd2a437fc7c754b3a6a66b7fb528ec1a53e0c683e8b75514bff81543cf55
General:
* CloudFormation now supports cfn-lint v1, as well as v0
New Services:
* FSX:
* create_file_system()
* delete_file_system()
* describe_file_systems()
* tag_resource()
* untag_resource()
* OpenSearch Serverless:
* batch_get_collection()
* create_collection()
* create_security_policy()
* create_vpc_endpoint()
* delete_collection()
* get_security_policy()
* list_collections()
* list_security_policies()
* list_tags_for_resource()
* tag_resource()
* untag_resource()
* update_security_policy()
* Shield:
* create_protection()
* delete_protection()
* describe_protection()
* list_protections()
* list_tags_for_resource()
* tag_resource()
* untag_resource()
New Methods:
* Sagemaker:
* create_cluster()
* delete_cluster()
* describe_cluster()
* list_clusters()
* list_cluster_nodes()
Miscellaneous:
* CognitoIDP: admin_list_groups_by_user() now supports pagination
* DynamoDB: transact_write_items() now validates the number of SET expressions
* DynamoDB: update_item() now validates unused ExpressionAttributeValues
* DynamoDB: query() now supports pagination when querying Global Indexes
* EC2: describe_images() - feat: support filtering images by ExecutableUsers=['self']
* EC2: describe_route_tables() now supports the filter `route.transit-gateway-id`
* EC2: update_security_group_rule_descriptions_ingress() now supports updating multiple descriptions
* EKS: create_nodegroup() now supports the `taints`-parameter
* ELBv2: add_listener_certificates() now validates when adding too many certificates (> 25)
* ELBv2: describe_target_health() now handles unknown/deregistered/terminated instances better
* ResourceGroupsTaggingAPI: get_resources() now supports ResourceType=s3:bucket
* RDS: Clusters now have the `creating`-status on create, and `available` immediately after - in line with AWS
* SSM: get_parameter() now supports ARN's for the Name-parameter
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