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here is the log from the commit of package python-boto3 for openSUSE:Factory 
checked in at 2025-12-12 21:40:50
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/python-boto3 (Old)
 and      /work/SRC/openSUSE:Factory/.python-boto3.new.1939 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "python-boto3"

Fri Dec 12 21:40:50 2025 rev:131 rq:1322631 version:1.42.5

Changes:
--------
--- /work/SRC/openSUSE:Factory/python-boto3/python-boto3.changes        
2025-11-25 15:56:08.566817625 +0100
+++ /work/SRC/openSUSE:Factory/.python-boto3.new.1939/python-boto3.changes      
2025-12-12 21:41:21.813304738 +0100
@@ -1,0 +2,191 @@
+Tue Dec  9 12:28:56 UTC 2025 - John Paul Adrian Glaubitz 
<[email protected]>
+
+- Update to 1.42.5
+  * api-change:``ce``: [``botocore``] Add support for Cost Category resource 
associations including
+    filtering by resource type on ListCostCategoryDefinitions and new
+    ListCostCategoryResourceAssociations API.
+  * api-change:``ec2``: [``botocore``] Amazon EC2 P6-B300 instances provide 8x 
NVIDIA Blackwell Ultra
+    GPUs with 2.1 TB high bandwidth GPU memory, 6.4 Tbps EFA networking, 300 
Gbps dedicated ENA
+    throughput, and 4 TB of system memory. Amazon EC2 C8a instances are 
powered by 5th Gen AMD EPYC
+    processors with a maximum frequency of 4.5 GHz.
+  * api-change:``identitystore``: [``botocore``] Updating AWS Identity Store 
APIs to support
+    Attribute Extensions capability, with the first release adding Enterprise 
Attributes. This launch
+    aligns Identity Store APIs with SCIM for enterprise attributes, reducing 
cases when customers are
+    forced to use SCIM due to lack of SigV4 API support.
+  * api-change:``partnercentral-selling``: [``botocore``] Deal Sizing Service 
for AI-based deal size
+    estimation with AWS service-level breakdown, supporting Expansion and 
Migration deals across
+    Technology, and Reseller partner cohorts, including Pricing Calculator 
AddOn for MAP deals and
+    funding incentives.
+  * api-change:``rds``: [``botocore``] Adding support for tagging RDS 
Instance/Cluster Automated
+    Backups
+  * api-change:``redshift-serverless``: [``botocore``] Added 
GetIdentityCenterAuthToken API to
+    retrieve encrypted authentication tokens for Identity Center integrated 
serverless workgroups. This
+    API enables programmatic access to secure Identity Center tokens with 
proper error handling and
+    parameter validation across supported SDK languages.
+  * api-change:``rolesanywhere``: [``botocore``] Increases certificate string 
length for trust anchor
+    source data to support ML-DSA certificates.
+  * api-change:``sesv2``: [``botocore``] Update Mail Manager Archive ARN 
validation
+  * enhancement:ContainerProvider: [``botocore``] The ContainerProvider now 
works with arbitray HTTPS
+    URLs for `AWS_CONTAINER_CREDENTIALS_FULL_URI`.
+- from version 1.42.4
+  * api-change:``ecs``: [``botocore``] Updating stop-task API to encapsulate 
containers with custom
+    stop signal
+  * api-change:``iam``: [``botocore``] Adding the ExpirationTime attribute to 
the delegation request
+    resource.
+  * api-change:``inspector2``: [``botocore``] This release adds a new 
ScanStatus called "Unsupported
+    Code Artifacts". This ScanStatus will be returned when a Lambda function 
was not code scanned
+    because it has unsupported code artifacts.
+  * api-change:``partnercentral-account``: [``botocore``] Adding Verification 
API's to Partner
+    Central Account SDK.
+  * api-change:``sesv2``: [``botocore``] Updating the desired url for
+    `PutEmailIdentityDkimSigningAttributes` from v1 to v2
+  * enhancement:AWSCRT: [``botocore``] Update awscrt version to 0.29.2
+- from version 1.42.3
+  * api-change:``lambda``: [``botocore``] Add DisallowedByVpcEncryptionControl 
to the
+    LastUpdateStatusReasonCode and StateReasonCode enums to represent failures 
caused by VPC Encryption
+    Controls.
+- from version 1.42.2
+  * api-change:``bedrock``: [``botocore``] Adding support in Amazon Bedrock to 
customize models with
+    reinforcement fine-tuning (RFT) and support for updating the existing 
Custom Model Deployments.
+  * api-change:``sagemaker``: [``botocore``] Introduces Serverless training: A 
fully managed compute
+    infrastructure that abstracts away all infrastructure complexity, allowing 
you to focus purely on
+    model development.
+    Added AI model customization assets used to train, refine, and evaluate 
custom models during the
+    model customization process.
+- from version 1.42.1
+  * api-change:``bedrock``: [``botocore``] Adds the audioDataDeliveryEnabled 
boolean field to the
+    Model Invocation Logging Configuration.
+  * api-change:``bedrock-agentcore``: [``botocore``] Support for AgentCore 
Evaluations and Episodic
+    memory strategy for AgentCore Memory.
+  * api-change:``bedrock-agentcore-control``: [``botocore``] Supports 
AgentCore Evaluations, Policy,
+    Episodic Memory Strategy, Resource Based Policy for Runtime and Gateway 
APIs, API Gateway Rest API
+    Targets and enhances JWT authorizer.
+  * api-change:``bedrock-runtime``: [``botocore``] Adds support for Audio 
Blocks and Streaming Image
+    Output plus new Stop Reasons of malformed_model_output and 
malformed_tool_use.
+  * api-change:``ce``: [``botocore``] This release updates existing Savings 
Plans Purchase Analyzer
+    and Recommendations APIs to support Database Savings Plans.
+  * api-change:``datazone``: [``botocore``] Amazon DataZone now supports 
exporting Catalog datasets
+    as Amazon S3 tables, and provides automatic business glossary term 
suggestions for data assets.
+  * api-change:``endpoint-rules``: [``botocore``] Update endpoint-rules client 
to latest version
+  * api-change:``fsx``: [``botocore``] S3 Access Points support for FSx for 
NetApp ONTAP
+  * api-change:``guardduty``: [``botocore``] Adding support for extended 
threat detection for Amazon
+    EC2 and Amazon ECS. Adding support for wild card suppression rules.
+  * api-change:``lambda``: [``botocore``] Launching Lambda durable functions - 
a new feature to build
+    reliable multi-step applications and AI workflows natively within the 
Lambda developer experience.
+  * api-change:``logs``: [``botocore``] CloudWatch Logs adds managed S3 Tables 
integration to access
+    logs using other analytical tools, as well as facets and field indexing to 
simplify log analytics
+    in CloudWatch Logs Insights.
+  * api-change:``nova-act``: [``botocore``] Initial release of Nova Act SDK. 
The Nova Act service
+    enables customers to build and manage fleets of agents for automating 
production UI workflows with
+    high reliability, fastest time-to-value, and ease of implementation at 
scale.
+  * api-change:``observabilityadmin``: [``botocore``] CloudWatch Observability 
Admin adds pipelines
+    configuration for third party log ingestion and transformation of all logs 
ingested, integration of
+    CloudWatch logs with S3 Tables, and AWS account or organization level 
enablement for 7 AWS services.
+  * api-change:``opensearch``: [``botocore``] GPU-acceleration helps you build 
large-scale vector
+    databases faster and more efficiently. You can enable this feature on new 
OpenSearch domains and
+    OpenSearch Serverless collections. This feature uses GPU-acceleration to 
reduce the time needed to
+    index data into vector indexes.
+  * api-change:``opensearchserverless``: [``botocore``] GPU-acceleration helps 
you build large-scale
+    vector databases faster and more efficiently. You can enable this feature 
on new OpenSearch domains
+    and OpenSearch Serverless collections. This feature uses GPU-acceleration 
to reduce the time needed
+    to index data into vector indexes.
+  * api-change:``rds``: [``botocore``] RDS Oracle and SQL Server: Add support 
for adding, modifying,
+    and removing additional storage volumes, offering up to 256TiB storage; 
RDS SQL Server: Support
+    Developer Edition via custom engine versions for development and testing 
purposes; M7i/R7i
+    instances with Optimize CPU for cost savings.
+  * api-change:``s3``: [``botocore``] New S3 Storage Class FSX_ONTAP
+  * api-change:``s3control``: [``botocore``] Add support for S3 Storage Lens 
Advanced Performance
+    Metrics, Expanded Prefixes metrics report, and export to S3 Tables.
+  * api-change:``s3tables``: [``botocore``] Add storage class, replication, 
and table record
+    expiration features to S3 Tables.
+  * api-change:``s3vectors``: [``botocore``] Amazon S3 Vectors provides 
cost-effective, elastic, and
+    durable vector storage for queries based on semantic meaning and 
similarity.
+  * api-change:``sagemaker``: [``botocore``] Added support for serverless 
MLflow Apps.
+    Added support for new HubContentTypes (DataSet and JsonDoc) in Private Hub 
for AI model
+    customization assets, enabling tracking and management of training 
datasets and evaluators (reward
+    functions/prompts) throughout the ML lifecycle.
+  * api-change:``savingsplans``: [``botocore``] Added support for Amazon 
Database Savings Plans
+  * api-change:``securityhub``: [``botocore``] ITSM enhancements: DRYRUN mode 
for testing ticket
+    creation, ServiceNow now uses AWS Secrets Manager for credentials, 
ConnectorRegistrationsV2 renamed
+    to RegisterConnectorV2, added ServiceQuotaExceededException error, and 
ConnectorStatus visibility
+    in CreateConnectorV2.
+- from version 1.42.0
+  * api-change:``appintegrations``: [``botocore``] This release adds support 
for MCP servers via the
+    ApplicationType field, allowing customers to register their Bedrock 
AgentCore gateways as third
+    party applications.
+  * api-change:``bedrock-agent``: [``botocore``] Support audio and video 
ingestion on Bedrock
+    Knowledge Bases.
+  * api-change:``bedrock-agent-runtime``: [``botocore``] Support audio and 
video content retrieval on
+    Bedrock Knowledge Bases.
+  * api-change:``cleanrooms``: [``botocore``] AWS Clean Rooms now supports 
privacy-enhancing
+    synthetic dataset generation for custom ML training.
+  * api-change:``cleanroomsml``: [``botocore``] AWS Clean Rooms ML now 
supports privacy-enhancing
+    synthetic dataset generation for custom ML training.
+  * api-change:``connect``: [``botocore``] This is a combined re:Invent 
release for Amazon Connect.
+  * api-change:``connectcampaignsv2``: [``botocore``] This release added 
support for new WhatsApp
+    channel and Journey type outbound campaign
+  * api-change:``connectparticipant``: [``botocore``] Amazon Connect now 
supports message processing
+    that intercepts and processes chat messages before they reach any 
participant.
+  * api-change:``customer-profiles``: [``botocore``] This release introduces, 
CRUD APIs for the
+    DomainObjectType and Recommender resources, APIs to offer statistical 
insights on Object Type
+    Attributes, Changes to SegmentDefinition APIs to support SQL queries to 
create Segments, and
+    Changes to Domain APIs to support Data Store.
+  * api-change:``eks``: [``botocore``] This release adds support for EKS 
Capabilities
+  * api-change:``endpoint-rules``: [``botocore``] Update endpoint-rules client 
to latest version
+  * api-change:``glue``: [``botocore``] feature: Glue: Add support for Iceberg 
materialized view in
+    Glue Data Catalog, including updated CreateTable API to support 
materialized views and new APIs for
+    managing data refresh for materialized views.
+    feature: Glue: Add support for Iceberg table encryption keys and struct 
field defaults.
+  * api-change:``lambda``: [``botocore``] Launching Lambda Managed Instances - 
a new feature to run
+    Lambda on EC2.
+  * api-change:``lexv2-models``: [``botocore``] Adds support for 
speech-to-speech models for
+    human-like, adaptive, and expressive voice interactions. Also adds support 
for speech model
+    preference, allowing customers to select which speech model they want to 
use for speech-to-text
+    requests.
+  * api-change:``marketplace-agreement``: [``botocore``] This release supports 
1/multi-product
+    transactions via offer sets. DescribeAgreement and SearchAgreements APIs 
now return offer set IDs.
+    SearchAgreements also supports filtering by offer set ID and 2/variable 
payment pricing terms will
+    be returned through GetAgreementTerms.
+  * api-change:``marketplace-catalog``: [``botocore``] This release introduces 
offer set entity in
+    AWS Marketplace Catalog API to enable multi-product transaction. Offer set 
enables sellers to group
+    multiple private offers into a single-click purchase experience, 
simplifying procurement for
+    customers purchasing multi-product solutions.
+  * api-change:``partnercentral-account``: [``botocore``] Initial GA launch of 
Partner Central Account
+  * api-change:``partnercentral-benefits``: [``botocore``] Initial GA launch 
of Partner Central
+    Benefits
+  * api-change:``partnercentral-selling``: [``botocore``] New Features:
+    Lead Management APIs for capturing and nurturing leads
+    Lead invitation support for partner collaboration
+    Lead-to-opportunity conversion operations
+    AWS Marketplace OfferSets support for opportunities
+  * api-change:``personalize``: [``botocore``] This release adds support for 
includedDatasetColumns
+    and performIncrementalUpdate in solution APIs, and rankingInfluence in 
campaign and batch inference
+    APIs.
+  * api-change:``qconnect``: [``botocore``] New AIAgent types: Orchestration 
for ModelContextProtocol
+    tool integration, CaseSummary for Amazon Connect Case summaries, NoteTaker 
for Agent Assistance
+    notes. Added ListSpans and Retrieve APIs. Enhanced Q in Connect 
AssistantAssociationType to support
+    Bring Your Own Bedrock Knowledge Bases.
+  * api-change:``route53globalresolver``: [``botocore``] Add SDK for Amazon 
Route 53 Global Resolver,
+    a fully managed DNS resolver service that offers broad DNS-filtering 
security controls.
+  * enhancement:AWSCRT: [``botocore``] Update awscrt version to 0.29.1
+  * enhancement:``s3``: Adds partial ``TransferConfig`` support for CRT 
transfer managers.
+  * feature:``s3``: Added ``crt`` mode to ``preferred_transfer_client`` 
parameter in
+    ``TransferConfig`` to enable CRT transfer client in all environments.
+- from version 1.41.5
+  * api-change:``bedrock-runtime``: [``botocore``] Bedrock Runtime Reserved 
Service Support
+  * api-change:``compute-optimizer``: [``botocore``] Compute Optimizer now 
identifies idle NAT
+    Gateway resources for cost optimization based on traffic patterns and 
backup configuration
+    analysis. Access recommendations via the GetIdleRecommendations API.
+  * api-change:``cost-optimization-hub``: [``botocore``] This release enables 
AWS Cost Optimization
+    Hub to show cost optimization recommendations for NAT Gateway.
+- from version 1.41.4
+  * api-change:``ec2``: [``botocore``] This release adds support to view 
Network firewall proxy
+    appliances attached to an existing NAT Gateway via DescribeNatGateways API
+    NatGatewayAttachedAppliance structure.
+  * api-change:``network-firewall``: [``botocore``] Network Firewall release 
of the Proxy feature.
+  * api-change:``organizations``: [``botocore``] Add support for policy 
operations on the S3_POLICY
+    and BEDROCK_POLICY policy type.
+  * api-change:``route53``: [``botocore``] Adds support for new route53 
feature: accelerated recovery.
+- Update BuildRequires and Requires from setup.py
+
+-------------------------------------------------------------------

Old:
----
  1.41.3.tar.gz

New:
----
  1.42.5.tar.gz

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ python-boto3.spec ++++++
--- /var/tmp/diff_new_pack.ONU4HV/_old  2025-12-12 21:41:22.441331208 +0100
+++ /var/tmp/diff_new_pack.ONU4HV/_new  2025-12-12 21:41:22.441331208 +0100
@@ -23,25 +23,25 @@
 %define pytestjobs -n ${RPM_BUILD_NCPUS:-1}
 %endif
 Name:           python-boto3
-Version:        1.41.3
+Version:        1.42.5
 Release:        0
 Summary:        Amazon Web Services Library
 License:        Apache-2.0
 URL:            https://github.com/boto/boto3
 Source:         https://github.com/boto/boto3/archive/%{version}.tar.gz
 # Related test dependencies
-BuildRequires:  %{python_module botocore >= 1.41.3 with %python-botocore < 
1.42.0}
+BuildRequires:  %{python_module botocore >= 1.42.5 with %python-botocore < 
1.43.0}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest-xdist}
 BuildRequires:  %{python_module pytest}
-BuildRequires:  %{python_module s3transfer >= 0.15.0 with %python-s3transfer < 
0.16.0}
+BuildRequires:  %{python_module s3transfer >= 0.16.0 with %python-s3transfer < 
0.17.0}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires:       (python-botocore >= 1.41.3 with python-botocore < 1.42.0)
+Requires:       (python-botocore >= 1.42.5 with python-botocore < 1.43.0)
 Requires:       (python-jmespath >= 0.7.1 with python-jmespath < 2.0.0)
-Requires:       (python-s3transfer >= 0.15.0 with python-s3transfer < 0.16.0)
+Requires:       (python-s3transfer >= 0.16.0 with python-s3transfer < 0.17.0)
 BuildArch:      noarch
 %if 0%{?sle_version} >= 150400
 Obsoletes:      python3-boto3 < %{version}
@@ -57,21 +57,6 @@
 http://boto3.readthedocs.org/en/latest/
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 # Note to maintainers also familia with python-boto:
 # The documentation generation requires access to AWS, thus it is not
 # possible to generate the documentation in OBS

++++++ 1.41.3.tar.gz -> 1.42.5.tar.gz ++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.41.4.json 
new/boto3-1.42.5/.changes/1.41.4.json
--- old/boto3-1.41.3/.changes/1.41.4.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.41.4.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,22 @@
+[
+  {
+    "category": "``ec2``",
+    "description": "[``botocore``] This release adds support to view Network 
firewall proxy appliances attached to an existing NAT Gateway via 
DescribeNatGateways API NatGatewayAttachedAppliance structure.",
+    "type": "api-change"
+  },
+  {
+    "category": "``network-firewall``",
+    "description": "[``botocore``] Network Firewall release of the Proxy 
feature.",
+    "type": "api-change"
+  },
+  {
+    "category": "``organizations``",
+    "description": "[``botocore``] Add support for policy operations on the 
S3_POLICY and BEDROCK_POLICY policy type.",
+    "type": "api-change"
+  },
+  {
+    "category": "``route53``",
+    "description": "[``botocore``] Adds support for new route53 feature: 
accelerated recovery.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.41.5.json 
new/boto3-1.42.5/.changes/1.41.5.json
--- old/boto3-1.41.3/.changes/1.41.5.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.41.5.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,17 @@
+[
+  {
+    "category": "``bedrock-runtime``",
+    "description": "[``botocore``] Bedrock Runtime Reserved Service Support",
+    "type": "api-change"
+  },
+  {
+    "category": "``compute-optimizer``",
+    "description": "[``botocore``] Compute Optimizer now identifies idle NAT 
Gateway resources for cost optimization based on traffic patterns and backup 
configuration analysis. Access recommendations via the GetIdleRecommendations 
API.",
+    "type": "api-change"
+  },
+  {
+    "category": "``cost-optimization-hub``",
+    "description": "[``botocore``] This release enables AWS Cost Optimization 
Hub to show cost optimization recommendations for NAT Gateway.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.0.json 
new/boto3-1.42.5/.changes/1.42.0.json
--- old/boto3-1.41.3/.changes/1.42.0.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.0.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,127 @@
+[
+  {
+    "category": "``appintegrations``",
+    "description": "[``botocore``] This release adds support for MCP servers 
via the ApplicationType field, allowing customers to register their Bedrock 
AgentCore gateways as third party applications.",
+    "type": "api-change"
+  },
+  {
+    "category": "``bedrock-agent``",
+    "description": "[``botocore``] Support audio and video ingestion on 
Bedrock Knowledge Bases.",
+    "type": "api-change"
+  },
+  {
+    "category": "``bedrock-agent-runtime``",
+    "description": "[``botocore``] Support audio and video content retrieval 
on Bedrock Knowledge Bases.",
+    "type": "api-change"
+  },
+  {
+    "category": "``cleanrooms``",
+    "description": "[``botocore``] AWS Clean Rooms now supports 
privacy-enhancing synthetic dataset generation for custom ML training.",
+    "type": "api-change"
+  },
+  {
+    "category": "``cleanroomsml``",
+    "description": "[``botocore``] AWS Clean Rooms ML now supports 
privacy-enhancing synthetic dataset generation for custom ML training.",
+    "type": "api-change"
+  },
+  {
+    "category": "``connect``",
+    "description": "[``botocore``] This is a combined re:Invent release for 
Amazon Connect.",
+    "type": "api-change"
+  },
+  {
+    "category": "``connectcampaignsv2``",
+    "description": "[``botocore``] This release added support for new WhatsApp 
channel and Journey type outbound campaign",
+    "type": "api-change"
+  },
+  {
+    "category": "``connectparticipant``",
+    "description": "[``botocore``] Amazon Connect now supports message 
processing that intercepts and processes chat messages before they reach any 
participant.",
+    "type": "api-change"
+  },
+  {
+    "category": "``customer-profiles``",
+    "description": "[``botocore``] This release introduces, CRUD APIs for the 
DomainObjectType and Recommender resources, APIs to offer statistical insights 
on Object Type Attributes, Changes to SegmentDefinition APIs to support SQL 
queries to create Segments, and Changes to Domain APIs to support Data Store.",
+    "type": "api-change"
+  },
+  {
+    "category": "``eks``",
+    "description": "[``botocore``] This release adds support for EKS 
Capabilities",
+    "type": "api-change"
+  },
+  {
+    "category": "``endpoint-rules``",
+    "description": "[``botocore``] Update endpoint-rules client to latest 
version",
+    "type": "api-change"
+  },
+  {
+    "category": "``glue``",
+    "description": "[``botocore``] feature: Glue: Add support for Iceberg 
materialized view in Glue Data Catalog, including updated CreateTable API to 
support materialized views and new APIs for managing data refresh for 
materialized views.\nfeature: Glue: Add support for Iceberg table encryption 
keys and struct field defaults.",
+    "type": "api-change"
+  },
+  {
+    "category": "``lambda``",
+    "description": "[``botocore``] Launching Lambda Managed Instances - a new 
feature to run Lambda on EC2.",
+    "type": "api-change"
+  },
+  {
+    "category": "``lexv2-models``",
+    "description": "[``botocore``] Adds support for speech-to-speech models 
for human-like, adaptive, and expressive voice interactions. Also adds support 
for speech model preference, allowing customers to select which speech model 
they want to use for speech-to-text requests.",
+    "type": "api-change"
+  },
+  {
+    "category": "``marketplace-agreement``",
+    "description": "[``botocore``] This release supports 1/multi-product 
transactions via offer sets. DescribeAgreement and SearchAgreements APIs now 
return offer set IDs. SearchAgreements also supports filtering by offer set ID 
and 2/variable payment pricing terms will be returned through 
GetAgreementTerms.",
+    "type": "api-change"
+  },
+  {
+    "category": "``marketplace-catalog``",
+    "description": "[``botocore``] This release introduces offer set entity in 
AWS Marketplace Catalog API to enable multi-product transaction. Offer set 
enables sellers to group multiple private offers into a single-click purchase 
experience, simplifying procurement for customers purchasing multi-product 
solutions.",
+    "type": "api-change"
+  },
+  {
+    "category": "``partnercentral-account``",
+    "description": "[``botocore``] Initial GA launch of Partner Central 
Account",
+    "type": "api-change"
+  },
+  {
+    "category": "``partnercentral-benefits``",
+    "description": "[``botocore``] Initial GA launch of Partner Central 
Benefits",
+    "type": "api-change"
+  },
+  {
+    "category": "``partnercentral-selling``",
+    "description": "[``botocore``] New Features:\nLead Management APIs for 
capturing and nurturing leads\nLead invitation support for partner 
collaboration\nLead-to-opportunity conversion operations\nAWS Marketplace 
OfferSets support for opportunities",
+    "type": "api-change"
+  },
+  {
+    "category": "``personalize``",
+    "description": "[``botocore``] This release adds support for 
includedDatasetColumns and performIncrementalUpdate in solution APIs, and 
rankingInfluence in campaign and batch inference APIs.",
+    "type": "api-change"
+  },
+  {
+    "category": "``qconnect``",
+    "description": "[``botocore``] New AIAgent types: Orchestration for 
ModelContextProtocol tool integration, CaseSummary for Amazon Connect Case 
summaries, NoteTaker for Agent Assistance notes. Added ListSpans and Retrieve 
APIs. Enhanced Q in Connect AssistantAssociationType to support Bring Your Own 
Bedrock Knowledge Bases.",
+    "type": "api-change"
+  },
+  {
+    "category": "``route53globalresolver``",
+    "description": "[``botocore``] Add SDK for Amazon Route 53 Global 
Resolver, a fully managed DNS resolver service that offers broad DNS-filtering 
security controls.",
+    "type": "api-change"
+  },
+  {
+    "category": "AWSCRT",
+    "description": "[``botocore``] Update awscrt version to 0.29.1",
+    "type": "enhancement"
+  },
+  {
+    "category": "``s3``",
+    "description": "Adds partial ``TransferConfig`` support for CRT transfer 
managers.",
+    "type": "enhancement"
+  },
+  {
+    "category": "``s3``",
+    "description": "Added ``crt`` mode to ``preferred_transfer_client`` 
parameter in ``TransferConfig`` to enable CRT transfer client in all 
environments.",
+    "type": "feature"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.1.json 
new/boto3-1.42.5/.changes/1.42.1.json
--- old/boto3-1.41.3/.changes/1.42.1.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.1.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,117 @@
+[
+  {
+    "category": "``bedrock``",
+    "description": "[``botocore``] Adds the audioDataDeliveryEnabled boolean 
field to the Model Invocation Logging Configuration.",
+    "type": "api-change"
+  },
+  {
+    "category": "``bedrock-agentcore``",
+    "description": "[``botocore``] Support for AgentCore Evaluations and 
Episodic memory strategy for AgentCore Memory.",
+    "type": "api-change"
+  },
+  {
+    "category": "``bedrock-agentcore-control``",
+    "description": "[``botocore``] Supports AgentCore Evaluations, Policy, 
Episodic Memory Strategy, Resource Based Policy for Runtime and Gateway APIs, 
API Gateway Rest API Targets and enhances JWT authorizer.",
+    "type": "api-change"
+  },
+  {
+    "category": "``bedrock-runtime``",
+    "description": "[``botocore``] Adds support for Audio Blocks and Streaming 
Image Output plus new Stop Reasons of malformed_model_output and 
malformed_tool_use.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ce``",
+    "description": "[``botocore``] This release updates existing Savings Plans 
Purchase Analyzer and Recommendations APIs to support Database Savings Plans.",
+    "type": "api-change"
+  },
+  {
+    "category": "``datazone``",
+    "description": "[``botocore``] Amazon DataZone now supports exporting 
Catalog datasets as Amazon S3 tables, and provides automatic business glossary 
term suggestions for data assets.",
+    "type": "api-change"
+  },
+  {
+    "category": "``endpoint-rules``",
+    "description": "[``botocore``] Update endpoint-rules client to latest 
version",
+    "type": "api-change"
+  },
+  {
+    "category": "``fsx``",
+    "description": "[``botocore``] S3 Access Points support for FSx for NetApp 
ONTAP",
+    "type": "api-change"
+  },
+  {
+    "category": "``guardduty``",
+    "description": "[``botocore``] Adding support for extended threat 
detection for Amazon EC2 and Amazon ECS. Adding support for wild card 
suppression rules.",
+    "type": "api-change"
+  },
+  {
+    "category": "``lambda``",
+    "description": "[``botocore``] Launching Lambda durable functions - a new 
feature to build reliable multi-step applications and AI workflows natively 
within the Lambda developer experience.",
+    "type": "api-change"
+  },
+  {
+    "category": "``logs``",
+    "description": "[``botocore``] CloudWatch Logs adds managed S3 Tables 
integration to access logs using other analytical tools, as well as facets and 
field indexing to simplify log analytics in CloudWatch Logs Insights.",
+    "type": "api-change"
+  },
+  {
+    "category": "``nova-act``",
+    "description": "[``botocore``] Initial release of Nova Act SDK. The Nova 
Act service enables customers to build and manage fleets of agents for 
automating production UI workflows with high reliability, fastest 
time-to-value, and ease of implementation at scale.",
+    "type": "api-change"
+  },
+  {
+    "category": "``observabilityadmin``",
+    "description": "[``botocore``] CloudWatch Observability Admin adds 
pipelines configuration for third party log ingestion and transformation of all 
logs ingested, integration of CloudWatch logs with S3 Tables, and AWS account 
or organization level enablement for 7 AWS services.",
+    "type": "api-change"
+  },
+  {
+    "category": "``opensearch``",
+    "description": "[``botocore``] GPU-acceleration helps you build 
large-scale vector databases faster and more efficiently. You can enable this 
feature on new OpenSearch domains and OpenSearch Serverless collections. This 
feature uses GPU-acceleration to reduce the time needed to index data into 
vector indexes.",
+    "type": "api-change"
+  },
+  {
+    "category": "``opensearchserverless``",
+    "description": "[``botocore``] GPU-acceleration helps you build 
large-scale vector databases faster and more efficiently. You can enable this 
feature on new OpenSearch domains and OpenSearch Serverless collections. This 
feature uses GPU-acceleration to reduce the time needed to index data into 
vector indexes.",
+    "type": "api-change"
+  },
+  {
+    "category": "``rds``",
+    "description": "[``botocore``] RDS Oracle and SQL Server: Add support for 
adding, modifying, and removing additional storage volumes, offering up to 
256TiB storage; RDS SQL Server: Support Developer Edition via custom engine 
versions for development and testing purposes; M7i/R7i instances with Optimize 
CPU for cost savings.",
+    "type": "api-change"
+  },
+  {
+    "category": "``s3``",
+    "description": "[``botocore``] New S3 Storage Class FSX_ONTAP",
+    "type": "api-change"
+  },
+  {
+    "category": "``s3control``",
+    "description": "[``botocore``] Add support for S3 Storage Lens Advanced 
Performance Metrics, Expanded Prefixes metrics report, and export to S3 
Tables.",
+    "type": "api-change"
+  },
+  {
+    "category": "``s3tables``",
+    "description": "[``botocore``] Add storage class, replication, and table 
record expiration features to S3 Tables.",
+    "type": "api-change"
+  },
+  {
+    "category": "``s3vectors``",
+    "description": "[``botocore``] Amazon S3 Vectors provides cost-effective, 
elastic, and durable vector storage for queries based on semantic meaning and 
similarity.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sagemaker``",
+    "description": "[``botocore``] Added support for serverless MLflow 
Apps.\n\nAdded support for new HubContentTypes (DataSet and JsonDoc) in Private 
Hub for AI model customization assets, enabling tracking and management of 
training datasets and evaluators (reward functions/prompts) throughout the ML 
lifecycle.",
+    "type": "api-change"
+  },
+  {
+    "category": "``savingsplans``",
+    "description": "[``botocore``] Added support for Amazon Database Savings 
Plans",
+    "type": "api-change"
+  },
+  {
+    "category": "``securityhub``",
+    "description": "[``botocore``] ITSM enhancements: DRYRUN mode for testing 
ticket creation, ServiceNow now uses AWS Secrets Manager for credentials, 
ConnectorRegistrationsV2 renamed to RegisterConnectorV2, added 
ServiceQuotaExceededException error, and ConnectorStatus visibility in 
CreateConnectorV2.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.2.json 
new/boto3-1.42.5/.changes/1.42.2.json
--- old/boto3-1.41.3/.changes/1.42.2.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.2.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,12 @@
+[
+  {
+    "category": "``bedrock``",
+    "description": "[``botocore``] Adding support in Amazon Bedrock to 
customize models with reinforcement fine-tuning (RFT) and support for updating 
the existing Custom Model Deployments.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sagemaker``",
+    "description": "[``botocore``] Introduces Serverless training: A fully 
managed compute infrastructure that abstracts away all infrastructure 
complexity, allowing you to focus purely on model development.\n\nAdded AI 
model customization assets used to train, refine, and evaluate custom models 
during the model customization process.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.3.json 
new/boto3-1.42.5/.changes/1.42.3.json
--- old/boto3-1.41.3/.changes/1.42.3.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.3.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,7 @@
+[
+  {
+    "category": "``lambda``",
+    "description": "[``botocore``] Add DisallowedByVpcEncryptionControl to the 
LastUpdateStatusReasonCode and StateReasonCode enums to represent failures 
caused by VPC Encryption Controls.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.4.json 
new/boto3-1.42.5/.changes/1.42.4.json
--- old/boto3-1.41.3/.changes/1.42.4.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.4.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,32 @@
+[
+  {
+    "category": "``ecs``",
+    "description": "[``botocore``] Updating stop-task API to encapsulate 
containers with custom stop signal",
+    "type": "api-change"
+  },
+  {
+    "category": "``iam``",
+    "description": "[``botocore``] Adding the ExpirationTime attribute to the 
delegation request resource.",
+    "type": "api-change"
+  },
+  {
+    "category": "``inspector2``",
+    "description": "[``botocore``] This release adds a new ScanStatus called 
\"Unsupported Code Artifacts\". This ScanStatus will be returned when a Lambda 
function was not code scanned because it has unsupported code artifacts.",
+    "type": "api-change"
+  },
+  {
+    "category": "``partnercentral-account``",
+    "description": "[``botocore``] Adding Verification API's to Partner 
Central Account SDK.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sesv2``",
+    "description": "[``botocore``] Updating the desired url for 
`PutEmailIdentityDkimSigningAttributes` from v1 to v2",
+    "type": "api-change"
+  },
+  {
+    "category": "AWSCRT",
+    "description": "[``botocore``] Update awscrt version to 0.29.2",
+    "type": "enhancement"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.changes/1.42.5.json 
new/boto3-1.42.5/.changes/1.42.5.json
--- old/boto3-1.41.3/.changes/1.42.5.json       1970-01-01 01:00:00.000000000 
+0100
+++ new/boto3-1.42.5/.changes/1.42.5.json       2025-12-08 20:13:00.000000000 
+0100
@@ -0,0 +1,47 @@
+[
+  {
+    "category": "``ce``",
+    "description": "[``botocore``] Add support for Cost Category resource 
associations including filtering by resource type on 
ListCostCategoryDefinitions and new ListCostCategoryResourceAssociations API.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ec2``",
+    "description": "[``botocore``] Amazon EC2 P6-B300 instances provide 8x 
NVIDIA Blackwell Ultra GPUs with 2.1 TB high bandwidth GPU memory, 6.4 Tbps EFA 
networking, 300 Gbps dedicated ENA throughput, and 4 TB of system memory. 
Amazon EC2 C8a instances are powered by 5th Gen AMD EPYC processors with a 
maximum frequency of 4.5 GHz.",
+    "type": "api-change"
+  },
+  {
+    "category": "``identitystore``",
+    "description": "[``botocore``] Updating AWS Identity Store APIs to support 
Attribute Extensions capability, with the first release adding Enterprise 
Attributes. This launch aligns Identity Store APIs with SCIM for enterprise 
attributes, reducing cases when customers are forced to use SCIM due to lack of 
SigV4 API support.",
+    "type": "api-change"
+  },
+  {
+    "category": "``partnercentral-selling``",
+    "description": "[``botocore``] Deal Sizing Service for AI-based deal size 
estimation with AWS service-level breakdown, supporting Expansion and Migration 
deals across Technology, and Reseller partner cohorts, including Pricing 
Calculator AddOn for MAP deals and funding incentives.",
+    "type": "api-change"
+  },
+  {
+    "category": "``rds``",
+    "description": "[``botocore``] Adding support for tagging RDS 
Instance/Cluster Automated Backups",
+    "type": "api-change"
+  },
+  {
+    "category": "``redshift-serverless``",
+    "description": "[``botocore``] Added GetIdentityCenterAuthToken API to 
retrieve encrypted authentication tokens for Identity Center integrated 
serverless workgroups. This API enables programmatic access to secure Identity 
Center tokens with proper error handling and parameter validation across 
supported SDK languages.",
+    "type": "api-change"
+  },
+  {
+    "category": "``rolesanywhere``",
+    "description": "[``botocore``] Increases certificate string length for 
trust anchor source data to support ML-DSA certificates.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sesv2``",
+    "description": "[``botocore``] Update Mail Manager Archive ARN validation",
+    "type": "api-change"
+  },
+  {
+    "category": "ContainerProvider",
+    "description": "[``botocore``] The ContainerProvider now works with 
arbitray HTTPS URLs for `AWS_CONTAINER_CREDENTIALS_FULL_URI`.",
+    "type": "enhancement"
+  }
+]
\ No newline at end of file
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.github/workflows/lint.yml 
new/boto3-1.42.5/.github/workflows/lint.yml
--- old/boto3-1.41.3/.github/workflows/lint.yml 2025-11-24 20:06:38.000000000 
+0100
+++ new/boto3-1.42.5/.github/workflows/lint.yml 2025-12-08 20:13:00.000000000 
+0100
@@ -15,7 +15,7 @@
     steps:
     - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
     - name: Set up Python 3.9
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c
+      uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548
       with:
         python-version: 3.9
     - name: Run pre-commit
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.github/workflows/run-crt-test.yml 
new/boto3-1.42.5/.github/workflows/run-crt-test.yml
--- old/boto3-1.41.3/.github/workflows/run-crt-test.yml 2025-11-24 
20:06:38.000000000 +0100
+++ new/boto3-1.42.5/.github/workflows/run-crt-test.yml 2025-12-08 
20:13:00.000000000 +0100
@@ -20,7 +20,7 @@
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - name: 'Set up Python ${{ matrix.python-version }}'
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c
+        uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548
         with:
           python-version: '${{ matrix.python-version }}'
           cache: 'pip'
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/.github/workflows/run-tests.yml 
new/boto3-1.42.5/.github/workflows/run-tests.yml
--- old/boto3-1.41.3/.github/workflows/run-tests.yml    2025-11-24 
20:06:38.000000000 +0100
+++ new/boto3-1.42.5/.github/workflows/run-tests.yml    2025-12-08 
20:13:00.000000000 +0100
@@ -21,7 +21,7 @@
     steps:
     - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c
+      uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/CHANGELOG.rst 
new/boto3-1.42.5/CHANGELOG.rst
--- old/boto3-1.41.3/CHANGELOG.rst      2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/CHANGELOG.rst      2025-12-08 20:13:00.000000000 +0100
@@ -2,6 +2,128 @@
 CHANGELOG
 =========
 
+1.42.5
+======
+
+* api-change:``ce``: [``botocore``] Add support for Cost Category resource 
associations including filtering by resource type on 
ListCostCategoryDefinitions and new ListCostCategoryResourceAssociations API.
+* api-change:``ec2``: [``botocore``] Amazon EC2 P6-B300 instances provide 8x 
NVIDIA Blackwell Ultra GPUs with 2.1 TB high bandwidth GPU memory, 6.4 Tbps EFA 
networking, 300 Gbps dedicated ENA throughput, and 4 TB of system memory. 
Amazon EC2 C8a instances are powered by 5th Gen AMD EPYC processors with a 
maximum frequency of 4.5 GHz.
+* api-change:``identitystore``: [``botocore``] Updating AWS Identity Store 
APIs to support Attribute Extensions capability, with the first release adding 
Enterprise Attributes. This launch aligns Identity Store APIs with SCIM for 
enterprise attributes, reducing cases when customers are forced to use SCIM due 
to lack of SigV4 API support.
+* api-change:``partnercentral-selling``: [``botocore``] Deal Sizing Service 
for AI-based deal size estimation with AWS service-level breakdown, supporting 
Expansion and Migration deals across Technology, and Reseller partner cohorts, 
including Pricing Calculator AddOn for MAP deals and funding incentives.
+* api-change:``rds``: [``botocore``] Adding support for tagging RDS 
Instance/Cluster Automated Backups
+* api-change:``redshift-serverless``: [``botocore``] Added 
GetIdentityCenterAuthToken API to retrieve encrypted authentication tokens for 
Identity Center integrated serverless workgroups. This API enables programmatic 
access to secure Identity Center tokens with proper error handling and 
parameter validation across supported SDK languages.
+* api-change:``rolesanywhere``: [``botocore``] Increases certificate string 
length for trust anchor source data to support ML-DSA certificates.
+* api-change:``sesv2``: [``botocore``] Update Mail Manager Archive ARN 
validation
+* enhancement:ContainerProvider: [``botocore``] The ContainerProvider now 
works with arbitray HTTPS URLs for `AWS_CONTAINER_CREDENTIALS_FULL_URI`.
+
+
+1.42.4
+======
+
+* api-change:``ecs``: [``botocore``] Updating stop-task API to encapsulate 
containers with custom stop signal
+* api-change:``iam``: [``botocore``] Adding the ExpirationTime attribute to 
the delegation request resource.
+* api-change:``inspector2``: [``botocore``] This release adds a new ScanStatus 
called "Unsupported Code Artifacts". This ScanStatus will be returned when a 
Lambda function was not code scanned because it has unsupported code artifacts.
+* api-change:``partnercentral-account``: [``botocore``] Adding Verification 
API's to Partner Central Account SDK.
+* api-change:``sesv2``: [``botocore``] Updating the desired url for 
`PutEmailIdentityDkimSigningAttributes` from v1 to v2
+* enhancement:AWSCRT: [``botocore``] Update awscrt version to 0.29.2
+
+
+1.42.3
+======
+
+* api-change:``lambda``: [``botocore``] Add DisallowedByVpcEncryptionControl 
to the LastUpdateStatusReasonCode and StateReasonCode enums to represent 
failures caused by VPC Encryption Controls.
+
+
+1.42.2
+======
+
+* api-change:``bedrock``: [``botocore``] Adding support in Amazon Bedrock to 
customize models with reinforcement fine-tuning (RFT) and support for updating 
the existing Custom Model Deployments.
+* api-change:``sagemaker``: [``botocore``] Introduces Serverless training: A 
fully managed compute infrastructure that abstracts away all infrastructure 
complexity, allowing you to focus purely on model development.
+
+Added AI model customization assets used to train, refine, and evaluate custom 
models during the model customization process.
+
+
+1.42.1
+======
+
+* api-change:``bedrock``: [``botocore``] Adds the audioDataDeliveryEnabled 
boolean field to the Model Invocation Logging Configuration.
+* api-change:``bedrock-agentcore``: [``botocore``] Support for AgentCore 
Evaluations and Episodic memory strategy for AgentCore Memory.
+* api-change:``bedrock-agentcore-control``: [``botocore``] Supports AgentCore 
Evaluations, Policy, Episodic Memory Strategy, Resource Based Policy for 
Runtime and Gateway APIs, API Gateway Rest API Targets and enhances JWT 
authorizer.
+* api-change:``bedrock-runtime``: [``botocore``] Adds support for Audio Blocks 
and Streaming Image Output plus new Stop Reasons of malformed_model_output and 
malformed_tool_use.
+* api-change:``ce``: [``botocore``] This release updates existing Savings 
Plans Purchase Analyzer and Recommendations APIs to support Database Savings 
Plans.
+* api-change:``datazone``: [``botocore``] Amazon DataZone now supports 
exporting Catalog datasets as Amazon S3 tables, and provides automatic business 
glossary term suggestions for data assets.
+* api-change:``endpoint-rules``: [``botocore``] Update endpoint-rules client 
to latest version
+* api-change:``fsx``: [``botocore``] S3 Access Points support for FSx for 
NetApp ONTAP
+* api-change:``guardduty``: [``botocore``] Adding support for extended threat 
detection for Amazon EC2 and Amazon ECS. Adding support for wild card 
suppression rules.
+* api-change:``lambda``: [``botocore``] Launching Lambda durable functions - a 
new feature to build reliable multi-step applications and AI workflows natively 
within the Lambda developer experience.
+* api-change:``logs``: [``botocore``] CloudWatch Logs adds managed S3 Tables 
integration to access logs using other analytical tools, as well as facets and 
field indexing to simplify log analytics in CloudWatch Logs Insights.
+* api-change:``nova-act``: [``botocore``] Initial release of Nova Act SDK. The 
Nova Act service enables customers to build and manage fleets of agents for 
automating production UI workflows with high reliability, fastest 
time-to-value, and ease of implementation at scale.
+* api-change:``observabilityadmin``: [``botocore``] CloudWatch Observability 
Admin adds pipelines configuration for third party log ingestion and 
transformation of all logs ingested, integration of CloudWatch logs with S3 
Tables, and AWS account or organization level enablement for 7 AWS services.
+* api-change:``opensearch``: [``botocore``] GPU-acceleration helps you build 
large-scale vector databases faster and more efficiently. You can enable this 
feature on new OpenSearch domains and OpenSearch Serverless collections. This 
feature uses GPU-acceleration to reduce the time needed to index data into 
vector indexes.
+* api-change:``opensearchserverless``: [``botocore``] GPU-acceleration helps 
you build large-scale vector databases faster and more efficiently. You can 
enable this feature on new OpenSearch domains and OpenSearch Serverless 
collections. This feature uses GPU-acceleration to reduce the time needed to 
index data into vector indexes.
+* api-change:``rds``: [``botocore``] RDS Oracle and SQL Server: Add support 
for adding, modifying, and removing additional storage volumes, offering up to 
256TiB storage; RDS SQL Server: Support Developer Edition via custom engine 
versions for development and testing purposes; M7i/R7i instances with Optimize 
CPU for cost savings.
+* api-change:``s3``: [``botocore``] New S3 Storage Class FSX_ONTAP
+* api-change:``s3control``: [``botocore``] Add support for S3 Storage Lens 
Advanced Performance Metrics, Expanded Prefixes metrics report, and export to 
S3 Tables.
+* api-change:``s3tables``: [``botocore``] Add storage class, replication, and 
table record expiration features to S3 Tables.
+* api-change:``s3vectors``: [``botocore``] Amazon S3 Vectors provides 
cost-effective, elastic, and durable vector storage for queries based on 
semantic meaning and similarity.
+* api-change:``sagemaker``: [``botocore``] Added support for serverless MLflow 
Apps.
+
+Added support for new HubContentTypes (DataSet and JsonDoc) in Private Hub for 
AI model customization assets, enabling tracking and management of training 
datasets and evaluators (reward functions/prompts) throughout the ML lifecycle.
+* api-change:``savingsplans``: [``botocore``] Added support for Amazon 
Database Savings Plans
+* api-change:``securityhub``: [``botocore``] ITSM enhancements: DRYRUN mode 
for testing ticket creation, ServiceNow now uses AWS Secrets Manager for 
credentials, ConnectorRegistrationsV2 renamed to RegisterConnectorV2, added 
ServiceQuotaExceededException error, and ConnectorStatus visibility in 
CreateConnectorV2.
+
+
+1.42.0
+======
+
+* api-change:``appintegrations``: [``botocore``] This release adds support for 
MCP servers via the ApplicationType field, allowing customers to register their 
Bedrock AgentCore gateways as third party applications.
+* api-change:``bedrock-agent``: [``botocore``] Support audio and video 
ingestion on Bedrock Knowledge Bases.
+* api-change:``bedrock-agent-runtime``: [``botocore``] Support audio and video 
content retrieval on Bedrock Knowledge Bases.
+* api-change:``cleanrooms``: [``botocore``] AWS Clean Rooms now supports 
privacy-enhancing synthetic dataset generation for custom ML training.
+* api-change:``cleanroomsml``: [``botocore``] AWS Clean Rooms ML now supports 
privacy-enhancing synthetic dataset generation for custom ML training.
+* api-change:``connect``: [``botocore``] This is a combined re:Invent release 
for Amazon Connect.
+* api-change:``connectcampaignsv2``: [``botocore``] This release added support 
for new WhatsApp channel and Journey type outbound campaign
+* api-change:``connectparticipant``: [``botocore``] Amazon Connect now 
supports message processing that intercepts and processes chat messages before 
they reach any participant.
+* api-change:``customer-profiles``: [``botocore``] This release introduces, 
CRUD APIs for the DomainObjectType and Recommender resources, APIs to offer 
statistical insights on Object Type Attributes, Changes to SegmentDefinition 
APIs to support SQL queries to create Segments, and Changes to Domain APIs to 
support Data Store.
+* api-change:``eks``: [``botocore``] This release adds support for EKS 
Capabilities
+* api-change:``endpoint-rules``: [``botocore``] Update endpoint-rules client 
to latest version
+* api-change:``glue``: [``botocore``] feature: Glue: Add support for Iceberg 
materialized view in Glue Data Catalog, including updated CreateTable API to 
support materialized views and new APIs for managing data refresh for 
materialized views.
+feature: Glue: Add support for Iceberg table encryption keys and struct field 
defaults.
+* api-change:``lambda``: [``botocore``] Launching Lambda Managed Instances - a 
new feature to run Lambda on EC2.
+* api-change:``lexv2-models``: [``botocore``] Adds support for 
speech-to-speech models for human-like, adaptive, and expressive voice 
interactions. Also adds support for speech model preference, allowing customers 
to select which speech model they want to use for speech-to-text requests.
+* api-change:``marketplace-agreement``: [``botocore``] This release supports 
1/multi-product transactions via offer sets. DescribeAgreement and 
SearchAgreements APIs now return offer set IDs. SearchAgreements also supports 
filtering by offer set ID and 2/variable payment pricing terms will be returned 
through GetAgreementTerms.
+* api-change:``marketplace-catalog``: [``botocore``] This release introduces 
offer set entity in AWS Marketplace Catalog API to enable multi-product 
transaction. Offer set enables sellers to group multiple private offers into a 
single-click purchase experience, simplifying procurement for customers 
purchasing multi-product solutions.
+* api-change:``partnercentral-account``: [``botocore``] Initial GA launch of 
Partner Central Account
+* api-change:``partnercentral-benefits``: [``botocore``] Initial GA launch of 
Partner Central Benefits
+* api-change:``partnercentral-selling``: [``botocore``] New Features:
+Lead Management APIs for capturing and nurturing leads
+Lead invitation support for partner collaboration
+Lead-to-opportunity conversion operations
+AWS Marketplace OfferSets support for opportunities
+* api-change:``personalize``: [``botocore``] This release adds support for 
includedDatasetColumns and performIncrementalUpdate in solution APIs, and 
rankingInfluence in campaign and batch inference APIs.
+* api-change:``qconnect``: [``botocore``] New AIAgent types: Orchestration for 
ModelContextProtocol tool integration, CaseSummary for Amazon Connect Case 
summaries, NoteTaker for Agent Assistance notes. Added ListSpans and Retrieve 
APIs. Enhanced Q in Connect AssistantAssociationType to support Bring Your Own 
Bedrock Knowledge Bases.
+* api-change:``route53globalresolver``: [``botocore``] Add SDK for Amazon 
Route 53 Global Resolver, a fully managed DNS resolver service that offers 
broad DNS-filtering security controls.
+* enhancement:AWSCRT: [``botocore``] Update awscrt version to 0.29.1
+* enhancement:``s3``: Adds partial ``TransferConfig`` support for CRT transfer 
managers.
+* feature:``s3``: Added ``crt`` mode to ``preferred_transfer_client`` 
parameter in ``TransferConfig`` to enable CRT transfer client in all 
environments.
+
+
+1.41.5
+======
+
+* api-change:``bedrock-runtime``: [``botocore``] Bedrock Runtime Reserved 
Service Support
+* api-change:``compute-optimizer``: [``botocore``] Compute Optimizer now 
identifies idle NAT Gateway resources for cost optimization based on traffic 
patterns and backup configuration analysis. Access recommendations via the 
GetIdleRecommendations API.
+* api-change:``cost-optimization-hub``: [``botocore``] This release enables 
AWS Cost Optimization Hub to show cost optimization recommendations for NAT 
Gateway.
+
+
+1.41.4
+======
+
+* api-change:``ec2``: [``botocore``] This release adds support to view Network 
firewall proxy appliances attached to an existing NAT Gateway via 
DescribeNatGateways API NatGatewayAttachedAppliance structure.
+* api-change:``network-firewall``: [``botocore``] Network Firewall release of 
the Proxy feature.
+* api-change:``organizations``: [``botocore``] Add support for policy 
operations on the S3_POLICY and BEDROCK_POLICY policy type.
+* api-change:``route53``: [``botocore``] Adds support for new route53 feature: 
accelerated recovery.
+
+
 1.41.3
 ======
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/README.rst new/boto3-1.42.5/README.rst
--- old/boto3-1.41.3/README.rst 2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/README.rst 2025-12-08 20:13:00.000000000 +0100
@@ -85,7 +85,7 @@
 .. code-block:: ini
 
    [default]
-   region=us-east-1
+   region = us-east-1
 
 Other credential configuration methods can be found `here 
<https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html>`__
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/__init__.py 
new/boto3-1.42.5/boto3/__init__.py
--- old/boto3-1.41.3/boto3/__init__.py  2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/boto3/__init__.py  2025-12-08 20:13:00.000000000 +0100
@@ -18,7 +18,7 @@
 from boto3.session import Session
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.41.3'
+__version__ = '1.42.5'
 
 
 # The default Boto3 session; autoloaded when needed.
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/compat.py 
new/boto3-1.42.5/boto3/compat.py
--- old/boto3-1.41.3/boto3/compat.py    2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/boto3/compat.py    2025-12-08 20:13:00.000000000 +0100
@@ -18,6 +18,8 @@
 
 from boto3.exceptions import PythonDeprecationWarning
 
+from s3transfer.manager import TransferConfig
+
 # In python3, socket.error is OSError, which is too general
 # for what we want (i.e FileNotFoundError is a subclass of OSError).
 # In py3 all the socket related errors are in a newly created
@@ -29,6 +31,9 @@
 import collections.abc as collections_abc
 
 
+TRANSFER_CONFIG_SUPPORTS_CRT = hasattr(TransferConfig, 'UNSET_DEFAULT')
+
+
 if sys.platform.startswith('win'):
     def rename_file(current_filename, new_filename):
         try:
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/crt.py 
new/boto3-1.42.5/boto3/crt.py
--- old/boto3-1.41.3/boto3/crt.py       2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/boto3/crt.py       2025-12-08 20:13:00.000000000 +0100
@@ -19,6 +19,7 @@
 contained within are subject to abrupt breaking changes.
 """
 
+import logging
 import threading
 
 import botocore.exceptions
@@ -31,6 +32,12 @@
     create_s3_crt_client,
 )
 
+from boto3.compat import TRANSFER_CONFIG_SUPPORTS_CRT
+from boto3.exceptions import InvalidCrtTransferConfigError
+from boto3.s3.constants import CRT_TRANSFER_CLIENT
+
+logger = logging.getLogger(__name__)
+
 # Singletons for CRT-backed transfers
 CRT_S3_CLIENT = None
 BOTOCORE_CRT_SERIALIZER = None
@@ -39,6 +46,15 @@
 PROCESS_LOCK_NAME = 'boto3'
 
 
+_ALLOWED_CRT_TRANSFER_CONFIG_OPTIONS = {
+    'multipart_threshold',
+    'max_concurrency',
+    'max_request_concurrency',
+    'multipart_chunksize',
+    'preferred_transfer_client',
+}
+
+
 def _create_crt_client(session, config, region_name, cred_provider):
     """Create a CRT S3 Client for file transfer.
 
@@ -157,11 +173,45 @@
     return is_matching_identity
 
 
+def _validate_crt_transfer_config(config):
+    if config is None:
+        return
+    # CRT client can also be configured via `AUTO_RESOLVE_TRANSFER_CLIENT`
+    # but it predates this validation. We only validate against CRT client
+    # configured via `CRT_TRANSFER_CLIENT` to preserve compatibility.
+    if config.preferred_transfer_client != CRT_TRANSFER_CLIENT:
+        return
+    invalid_crt_args = []
+    for param in config.DEFAULTS.keys():
+        val = config.get_deep_attr(param)
+        if (
+            param not in _ALLOWED_CRT_TRANSFER_CONFIG_OPTIONS
+            and val is not config.UNSET_DEFAULT
+        ):
+            invalid_crt_args.append(param)
+    if len(invalid_crt_args) > 0:
+        raise InvalidCrtTransferConfigError(
+            "The following transfer config options are invalid "
+            "when preferred_transfer_client is set to crt: "
+            f"{', '.join(invalid_crt_args)}`"
+        )
+
+
 def create_crt_transfer_manager(client, config):
     """Create a CRTTransferManager for optimized data transfer."""
     crt_s3_client = get_crt_s3_client(client, config)
     if is_crt_compatible_request(client, crt_s3_client):
-        return CRTTransferManager(
-            crt_s3_client.crt_client, BOTOCORE_CRT_SERIALIZER
-        )
+        crt_transfer_manager_kwargs = {
+            'crt_s3_client': crt_s3_client.crt_client,
+            'crt_request_serializer': BOTOCORE_CRT_SERIALIZER,
+        }
+        if TRANSFER_CONFIG_SUPPORTS_CRT:
+            _validate_crt_transfer_config(config)
+            crt_transfer_manager_kwargs['config'] = config
+        if not TRANSFER_CONFIG_SUPPORTS_CRT and config:
+            logger.warning(
+                'Using TransferConfig with CRT client requires '
+                's3transfer >= 0.16.0, configured values will be ignored.'
+            )
+        return CRTTransferManager(**crt_transfer_manager_kwargs)
     return None
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/exceptions.py 
new/boto3-1.42.5/boto3/exceptions.py
--- old/boto3-1.41.3/boto3/exceptions.py        2025-11-24 20:06:38.000000000 
+0100
+++ new/boto3-1.42.5/boto3/exceptions.py        2025-12-08 20:13:00.000000000 
+0100
@@ -124,3 +124,7 @@
     """
 
     pass
+
+
+class InvalidCrtTransferConfigError(Boto3Error):
+    pass
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/s3/constants.py 
new/boto3-1.42.5/boto3/s3/constants.py
--- old/boto3-1.41.3/boto3/s3/constants.py      2025-11-24 20:06:38.000000000 
+0100
+++ new/boto3-1.42.5/boto3/s3/constants.py      2025-12-08 20:13:00.000000000 
+0100
@@ -14,4 +14,5 @@
 
 # TransferConfig preferred_transfer_client settings
 CLASSIC_TRANSFER_CLIENT = "classic"
+CRT_TRANSFER_CLIENT = "crt"
 AUTO_RESOLVE_TRANSFER_CLIENT = "auto"
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/s3/transfer.py 
new/boto3-1.42.5/boto3/s3/transfer.py
--- old/boto3-1.41.3/boto3/s3/transfer.py       2025-11-24 20:06:38.000000000 
+0100
+++ new/boto3-1.42.5/boto3/s3/transfer.py       2025-12-08 20:13:00.000000000 
+0100
@@ -128,7 +128,7 @@
 from os import PathLike, fspath, getpid
 
 from botocore.compat import HAS_CRT
-from botocore.exceptions import ClientError
+from botocore.exceptions import ClientError, MissingDependencyException
 from s3transfer.exceptions import (
     RetriesExceededError as S3TransferRetriesExceededError,
 )
@@ -139,7 +139,11 @@
 from s3transfer.utils import OSUtils
 
 import boto3.s3.constants as constants
-from boto3.exceptions import RetriesExceededError, S3UploadFailedError
+from boto3.compat import TRANSFER_CONFIG_SUPPORTS_CRT
+from boto3.exceptions import (
+    RetriesExceededError,
+    S3UploadFailedError,
+)
 
 if HAS_CRT:
     import awscrt.s3
@@ -184,16 +188,26 @@
 
 def _should_use_crt(config):
     # This feature requires awscrt>=0.19.18
-    if HAS_CRT and has_minimum_crt_version((0, 19, 18)):
-        is_optimized_instance = awscrt.s3.is_optimized_for_system()
-    else:
-        is_optimized_instance = False
+    has_min_crt = HAS_CRT and has_minimum_crt_version((0, 19, 18))
+    is_optimized_instance = has_min_crt and awscrt.s3.is_optimized_for_system()
     pref_transfer_client = config.preferred_transfer_client.lower()
 
     if (
+        pref_transfer_client == constants.CRT_TRANSFER_CLIENT
+        and not has_min_crt
+    ):
+        msg = (
+            "CRT transfer client is configured but is missing minimum CRT "
+            f"version. CRT installed: {HAS_CRT}"
+        )
+        if HAS_CRT:
+            msg += f", with version: {awscrt.__version__}"
+        raise MissingDependencyException(msg=msg)
+
+    if (
         is_optimized_instance
         and pref_transfer_client == constants.AUTO_RESOLVE_TRANSFER_CLIENT
-    ):
+    ) or pref_transfer_client == constants.CRT_TRANSFER_CLIENT:
         logger.debug(
             "Attempting to use CRTTransferManager. Config settings may be 
ignored."
         )
@@ -235,18 +249,31 @@
         'max_concurrency': 'max_request_concurrency',
         'max_io_queue': 'max_io_queue_size',
     }
+    DEFAULTS = {
+        'multipart_threshold': 8 * MB,
+        'max_concurrency': 10,
+        'max_request_concurrency': 10,
+        'multipart_chunksize': 8 * MB,
+        'num_download_attempts': 5,
+        'max_io_queue': 100,
+        'max_io_queue_size': 100,
+        'io_chunksize': 256 * KB,
+        'use_threads': True,
+        'max_bandwidth': None,
+        'preferred_transfer_client': constants.AUTO_RESOLVE_TRANSFER_CLIENT,
+    }
 
     def __init__(
         self,
-        multipart_threshold=8 * MB,
-        max_concurrency=10,
-        multipart_chunksize=8 * MB,
-        num_download_attempts=5,
-        max_io_queue=100,
-        io_chunksize=256 * KB,
-        use_threads=True,
+        multipart_threshold=None,
+        max_concurrency=None,
+        multipart_chunksize=None,
+        num_download_attempts=None,
+        max_io_queue=None,
+        io_chunksize=None,
+        use_threads=None,
         max_bandwidth=None,
-        preferred_transfer_client=constants.AUTO_RESOLVE_TRANSFER_CLIENT,
+        preferred_transfer_client=None,
     ):
         """Configuration object for managed S3 transfers
 
@@ -270,23 +297,30 @@
             Other retryable exceptions such as throttling errors and 5xx
             errors are already retried by botocore (this default is 5). This
             does not take into account the number of exceptions retried by
-            botocore.
+            botocore. Note: This value is ignored when resolved transfer
+            manager type is CRTTransferManager.
 
         :param max_io_queue: The maximum amount of read parts that can be
             queued in memory to be written for a download. The size of each
             of these read parts is at most the size of ``io_chunksize``.
+            Note: This value is ignored when resolved transfer manager type
+            is CRTTransferManager.
 
         :param io_chunksize: The max size of each chunk in the io queue.
             Currently, this is size used when ``read`` is called on the
-            downloaded stream as well.
+            downloaded stream as well. Note: This value is ignored when
+            resolved transfer manager type is CRTTransferManager.
 
         :param use_threads: If True, threads will be used when performing
             S3 transfers. If False, no threads will be used in
             performing transfers; all logic will be run in the current thread.
+            Note: This value is ignored when resolved transfer manager type is
+            CRTTransferManager.
 
         :param max_bandwidth: The maximum bandwidth that will be consumed
             in uploading and downloading file content. The value is an integer
-            in terms of bytes per second.
+            in terms of bytes per second. Note: This value is ignored when
+            resolved transfer manager type is CRTTransferManager.
 
         :param preferred_transfer_client: String specifying preferred transfer
             client for transfer operations.
@@ -296,23 +330,40 @@
                   are made with supported environment and settings.
               * classic - Only use the origin S3TransferManager with
                   requests. Disables possible CRT upgrade on requests.
+              * crt - Only use the CRTTransferManager with requests.
         """
+        init_args = {
+            'multipart_threshold': multipart_threshold,
+            'max_concurrency': max_concurrency,
+            'multipart_chunksize': multipart_chunksize,
+            'num_download_attempts': num_download_attempts,
+            'max_io_queue': max_io_queue,
+            'io_chunksize': io_chunksize,
+            'use_threads': use_threads,
+            'max_bandwidth': max_bandwidth,
+            'preferred_transfer_client': preferred_transfer_client,
+        }
+        resolved = self._resolve_init_args(init_args)
         super().__init__(
-            multipart_threshold=multipart_threshold,
-            max_request_concurrency=max_concurrency,
-            multipart_chunksize=multipart_chunksize,
-            num_download_attempts=num_download_attempts,
-            max_io_queue_size=max_io_queue,
-            io_chunksize=io_chunksize,
-            max_bandwidth=max_bandwidth,
+            multipart_threshold=resolved['multipart_threshold'],
+            max_request_concurrency=resolved['max_concurrency'],
+            multipart_chunksize=resolved['multipart_chunksize'],
+            num_download_attempts=resolved['num_download_attempts'],
+            max_io_queue_size=resolved['max_io_queue'],
+            io_chunksize=resolved['io_chunksize'],
+            max_bandwidth=resolved['max_bandwidth'],
         )
         # Some of the argument names are not the same as the inherited
         # S3TransferConfig so we add aliases so you can still access the
         # old version of the names.
         for alias in self.ALIAS:
-            setattr(self, alias, getattr(self, self.ALIAS[alias]))
-        self.use_threads = use_threads
-        self.preferred_transfer_client = preferred_transfer_client
+            setattr(
+                self,
+                alias,
+                object.__getattribute__(self, self.ALIAS[alias]),
+            )
+        self.use_threads = resolved['use_threads']
+        self.preferred_transfer_client = resolved['preferred_transfer_client']
 
     def __setattr__(self, name, value):
         # If the alias name is used, make sure we set the name that it points
@@ -322,6 +373,28 @@
         # Always set the value of the actual name provided.
         super().__setattr__(name, value)
 
+    def __getattribute__(self, item):
+        value = object.__getattribute__(self, item)
+        if not TRANSFER_CONFIG_SUPPORTS_CRT:
+            return value
+        defaults = object.__getattribute__(self, 'DEFAULTS')
+        if item not in defaults:
+            return value
+        if value is self.UNSET_DEFAULT:
+            return defaults[item]
+        return value
+
+    def _resolve_init_args(self, init_args):
+        resolved = {}
+        for init_arg, val in init_args.items():
+            if val is not None:
+                resolved[init_arg] = val
+            elif TRANSFER_CONFIG_SUPPORTS_CRT:
+                resolved[init_arg] = self.UNSET_DEFAULT
+            else:
+                resolved[init_arg] = self.DEFAULTS[init_arg]
+        return resolved
+
 
 class S3Transfer:
     ALLOWED_DOWNLOAD_ARGS = TransferManager.ALLOWED_DOWNLOAD_ARGS
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/boto3/utils.py 
new/boto3-1.42.5/boto3/utils.py
--- old/boto3-1.41.3/boto3/utils.py     2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/boto3/utils.py     2025-12-08 20:13:00.000000000 +0100
@@ -10,8 +10,8 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
-import sys
 from collections import namedtuple
+from importlib import import_module
 
 _ServiceContext = namedtuple(
     'ServiceContext',
@@ -47,16 +47,6 @@
     pass
 
 
-def import_module(name):
-    """Import module given a name.
-
-    Does not support relative imports.
-
-    """
-    __import__(name)
-    return sys.modules[name]
-
-
 def lazy_call(full_name, **kwargs):
     parent_kwargs = kwargs
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/setup.cfg new/boto3-1.42.5/setup.cfg
--- old/boto3-1.41.3/setup.cfg  2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/setup.cfg  2025-12-08 20:13:00.000000000 +0100
@@ -3,9 +3,9 @@
 
 [metadata]
 requires_dist =
-    botocore>=1.41.3,<1.42.0
+    botocore>=1.42.5,<1.43.0
     jmespath>=0.7.1,<2.0.0
-    s3transfer>=0.15.0,<0.16.0
+    s3transfer>=0.16.0,<0.17.0
 
 [options.extras_require]
 crt = botocore[crt]>=1.21.0,<2.0a0
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/setup.py new/boto3-1.42.5/setup.py
--- old/boto3-1.41.3/setup.py   2025-11-24 20:06:38.000000000 +0100
+++ new/boto3-1.42.5/setup.py   2025-12-08 20:13:00.000000000 +0100
@@ -14,9 +14,9 @@
 
 
 requires = [
-    'botocore>=1.41.3,<1.42.0',
+    'botocore>=1.42.5,<1.43.0',
     'jmespath>=0.7.1,<2.0.0',
-    's3transfer>=0.15.0,<0.16.0',
+    's3transfer>=0.16.0,<0.17.0',
 ]
 
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/tests/functional/test_crt.py 
new/boto3-1.42.5/tests/functional/test_crt.py
--- old/boto3-1.41.3/tests/functional/test_crt.py       2025-11-24 
20:06:38.000000000 +0100
+++ new/boto3-1.42.5/tests/functional/test_crt.py       2025-12-08 
20:13:00.000000000 +0100
@@ -16,7 +16,11 @@
 import pytest
 from botocore.compat import HAS_CRT
 from botocore.credentials import Credentials
+from botocore.exceptions import MissingDependencyException
 
+from boto3.exceptions import (
+    InvalidCrtTransferConfigError,
+)
 from boto3.s3.transfer import (
     TransferConfig,
     create_transfer_manager,
@@ -69,6 +73,37 @@
         assert isinstance(transfer_manager, CRTTransferManager)
 
     @requires_crt()
+    def test_create_transfer_manager_with_crt_preferred(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client='crt',
+        )
+        transfer_manager = create_transfer_manager(client, config)
+        assert isinstance(transfer_manager, CRTTransferManager)
+
+    @mock.patch("boto3.s3.transfer.HAS_CRT", False)
+    def test_create_transfer_manager_with_crt_preferred_no_crt(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client='crt',
+        )
+        with pytest.raises(MissingDependencyException) as exc:
+            create_transfer_manager(client, config)
+        assert "missing minimum CRT" in str(exc.value)
+
+    @requires_crt()
+    @mock.patch("awscrt.__version__", "0.19.0")
+    def test_create_transfer_manager_with_crt_preferred_bad_version(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client='crt',
+        )
+        with pytest.raises(MissingDependencyException) as exc:
+            create_transfer_manager(client, config)
+        assert "missing minimum CRT" in str(exc.value)
+        assert "with version: 0.19.0" in str(exc.value)
+
+    @requires_crt()
     def test_minimum_crt_version(self):
         assert has_minimum_crt_version((0, 16, 12)) is True
 
@@ -87,3 +122,30 @@
             vers.return_value = bad_version
 
             assert has_minimum_crt_version((0, 16, 12)) is False
+
+    @requires_crt()
+    def test_crt_transfer_manager_raises_with_invalid_crt_config(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client='crt',
+            # `max_bandwidth` is not an allowed CRT config option.
+            max_bandwidth=1024,
+        )
+        with pytest.raises(InvalidCrtTransferConfigError) as exc:
+            create_transfer_manager(client, config)
+        assert "transfer config options are invalid" in str(exc.value)
+        assert "max_bandwidth" in str(exc.value)
+
+    @requires_crt()
+    @MockOptimizedInstance()
+    def test_auto_transfer_manager_succeeds_with_invalid_crt_config(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client='auto',
+            # `max_bandwidth` is not an allowed CRT config option.
+            # But config should only be validated when
+            # `preferred_transfer_client` == `crt`.
+            max_bandwidth=1024,
+        )
+        transfer_manager = create_transfer_manager(client, config)
+        assert isinstance(transfer_manager, CRTTransferManager)
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/tests/unit/s3/test_transfer.py 
new/boto3-1.42.5/tests/unit/s3/test_transfer.py
--- old/boto3-1.41.3/tests/unit/s3/test_transfer.py     2025-11-24 
20:06:38.000000000 +0100
+++ new/boto3-1.42.5/tests/unit/s3/test_transfer.py     2025-12-08 
20:13:00.000000000 +0100
@@ -76,6 +76,17 @@
                     client, config, None, None
                 )
 
+    def test_classic_transfer_manager_succeeds_with_invalid_crt_config(self):
+        client = create_mock_client()
+        config = TransferConfig(
+            preferred_transfer_client="classic",
+            # `max_bandwidth` is not an allowed CRT config option.
+            max_bandwidth=MB,
+        )
+        with mock.patch('boto3.s3.transfer.TransferManager') as manager:
+            create_transfer_manager(client, config)
+            assert manager.call_args == mock.call(client, config, None, None)
+
 
 class TestTransferConfig(unittest.TestCase):
     def assert_value_of_actual_and_alias(
@@ -174,6 +185,49 @@
             == copied_config.preferred_transfer_client
         )
 
+    def test_unset_default(self):
+        config = TransferConfig()
+        defaults = TransferConfig.DEFAULTS
+
+        # Assert top-level params and aliases return defaults
+        # when accessed via public property.
+        assert config.multipart_threshold == defaults['multipart_threshold']
+        assert config.max_concurrency == defaults['max_concurrency']
+        assert (
+            config.max_request_concurrency
+            == defaults['max_request_concurrency']
+        )
+        assert config.multipart_chunksize == defaults['multipart_chunksize']
+        assert (
+            config.num_download_attempts == defaults['num_download_attempts']
+        )
+        assert config.max_io_queue == defaults['max_io_queue']
+        assert config.max_io_queue_size == defaults['max_io_queue_size']
+        assert config.io_chunksize == defaults['io_chunksize']
+        assert config.use_threads == defaults['use_threads']
+        assert config.max_bandwidth == defaults['max_bandwidth']
+        assert (
+            config.preferred_transfer_client
+            == defaults['preferred_transfer_client']
+        )
+        # Assert top-level params and aliases return UNSET_DEFAULT
+        # when directly accessed.
+        for param in defaults:
+            assert config.get_deep_attr(param) == TransferConfig.UNSET_DEFAULT
+
+    def test_explicit_config_values(self):
+        config = TransferConfig(
+            multipart_threshold=4 * MB,
+        )
+        config.max_concurrency = 1
+
+        assert config.multipart_threshold == 4 * MB
+        assert config.max_concurrency == 1
+        assert config.max_request_concurrency == 1
+        assert config.get_deep_attr('multipart_threshold') == 4 * MB
+        assert config.get_deep_attr('max_concurrency') == 1
+        assert config.get_deep_attr('max_request_concurrency') == 1
+
 
 class TestProgressCallbackInvoker(unittest.TestCase):
     def test_on_progress(self):
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/boto3-1.41.3/tests/unit/test_crt.py 
new/boto3-1.42.5/tests/unit/test_crt.py
--- old/boto3-1.41.3/tests/unit/test_crt.py     2025-11-24 20:06:38.000000000 
+0100
+++ new/boto3-1.42.5/tests/unit/test_crt.py     2025-12-08 20:13:00.000000000 
+0100
@@ -213,3 +213,21 @@
         )
         assert use1_crt_s3_client is crt_s3_client
         assert use1_crt_s3_client.region == "us-west-2"
+
+    @requires_crt()
+    @mock.patch('boto3.crt.TRANSFER_CONFIG_SUPPORTS_CRT', False)
+    def test_config_without_crt_support_emits_warning(
+        self,
+        mock_crt_process_lock,
+        mock_crt_client_singleton,
+        mock_serializer_singleton,
+        caplog,
+    ):
+        config = TransferConfig()
+        boto3.crt.create_crt_transfer_manager(USW2_S3_CLIENT, config)
+        assert any(
+            [
+                'requires s3transfer >= 0.16.0' in r.message
+                for r in caplog.records
+            ]
+        )

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