chore(ci): layer docs update

CHANGELOG.md

@@ -5,15 +5,36 @@
 # Unreleased
 
 
+<a name="v3.27.0"></a>
+## [v3.27.0] - 2026-04-06
+## Maintenance
+
+* version bump
+
+
 <a name="v3.26.0"></a>
 ## [v3.26.0] - 2026-03-20
+## Bug Fixes
+
+* **ci:** add ty check to dataclasses utility ([#8038](https://github.com/aws-powertools/powertools-lambda-python/issues/8038))
+* **ci:** add ty check to parser folder ([#8037](https://github.com/aws-powertools/powertools-lambda-python/issues/8037))
+* **ci:** add ty check to parameters folder ([#8035](https://github.com/aws-powertools/powertools-lambda-python/issues/8035))
+* **openapi:** correct response validation for falsy objects ([#7990](https://github.com/aws-powertools/powertools-lambda-python/issues/7990))
+
 ## Features
 
 * add ldms feature ([#8051](https://github.com/aws-powertools/powertools-lambda-python/issues/8051))
+* **batch:** add Kafka/MSK batch processing support ([#7941](https://github.com/aws-powertools/powertools-lambda-python/issues/7941))
+* **buffer-handler:** add buffering support for external loggers ([#7994](https://github.com/aws-powertools/powertools-lambda-python/issues/7994))
 
 ## Maintenance
 
 * version bump
+* **deps:** bump aws-encryption-sdk from 4.0.3 to 4.0.4 ([#8027](https://github.com/aws-powertools/powertools-lambda-python/issues/8027))
+* **deps:** bump valkey-glide from 2.2.5 to 2.2.7 ([#8030](https://github.com/aws-powertools/powertools-lambda-python/issues/8030))
+* **deps-dev:** bump types-python-dateutil from 2.9.0.20260124 to 2.9.0.20260305 ([#8029](https://github.com/aws-powertools/powertools-lambda-python/issues/8029))
+* **deps-dev:** bump ijson from 3.4.0.post0 to 3.5.0 ([#8028](https://github.com/aws-powertools/powertools-lambda-python/issues/8028))
+* **deps-dev:** bump aws-cdk from 2.1108.0 to 2.1110.0 in the aws-cdk group ([#8023](https://github.com/aws-powertools/powertools-lambda-python/issues/8023))
 
 
 <a name="v3.25.0"></a>
@@ -7551,7 +7572,8 @@
 * Merge pull request [#5](https://github.com/aws-powertools/powertools-lambda-python/issues/5) from jfuss/feat/python38
 
 
-[Unreleased]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.26.0...HEAD
+[Unreleased]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.27.0...HEAD
+[v3.27.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.26.0...v3.27.0
 [v3.26.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.25.0...v3.26.0
 [v3.25.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.24.0...v3.25.0
 [v3.24.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v3.23.0...v3.24.0

examples/build_recipes/cdk/basic/app.py

@@ -24,7 +24,7 @@ def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         powertools_layer = _lambda.LayerVersion.from_layer_version_arn(
             self,
             "PowertoolsLayer",
-            layer_version_arn="arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:30",
+            layer_version_arn="arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31",
         )
 
         # Lambda Function

examples/build_recipes/cdk/multi-stack/stacks/powertools_cdk_stack.py

@@ -47,7 +47,7 @@ def _create_powertools_layer(self) -> _lambda.ILayerVersion:
         return _lambda.LayerVersion.from_layer_version_arn(
             self,
             "PowertoolsLayer",
-            layer_version_arn="arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:30",
+            layer_version_arn="arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31",
         )
 
     def _create_dynamodb_table(self) -> dynamodb.Table:

examples/build_recipes/sam/multi-env/template.yaml

@@ -61,7 +61,7 @@ Resources:
       CodeUri: src/
       Handler: app.lambda_handler
       Layers:
-        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:30
+        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31
         - !Ref DependenciesLayer
       Events:
         ApiEvent:

examples/build_recipes/sam/with-layers/template.yaml

@@ -31,7 +31,7 @@ Resources:
       CodeUri: src/app/
       Handler: app_sam_layer.lambda_handler
       Layers:
-        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:30
+        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31
         - !Ref DependenciesLayer
       Events:
         ApiEvent:
@@ -50,7 +50,7 @@ Resources:
       CodeUri: src/worker/
       Handler: worker_sam_layer.lambda_handler
       Layers:
-        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:30
+        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31
         - !Ref DependenciesLayer
       Events:
         SQSEvent:

examples/homepage/install/arm64/amplify.txt

@@ -6,7 +6,7 @@
 ? Do you want to configure advanced settings? Yes
 ...
 ? Do you want to enable Lambda layers for this function? Yes
-? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30
+? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31
 ❯ amplify push -y
 
 
@@ -17,5 +17,5 @@ General information
 - Name: <NAME-OF-FUNCTION>
 ? Which setting do you want to update? Lambda layers configuration
 ? Do you want to enable Lambda layers for this function? Yes
-? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30
+? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31
 ? Do you want to edit the local lambda function now? No

examples/homepage/install/arm64/cdk_arm64.py

@@ -9,7 +9,7 @@ def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         powertools_layer = aws_lambda.LayerVersion.from_layer_version_arn(
             self,
             id="lambda-powertools",
-            layer_version_arn=f"arn:aws:lambda:{Aws.REGION}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30",
+            layer_version_arn=f"arn:aws:lambda:{Aws.REGION}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31",
         )
         aws_lambda.Function(
             self,

examples/homepage/install/arm64/pulumi_arm64.py

@@ -22,7 +22,7 @@
         pulumi.Output.concat(
             "arn:aws:lambda:",
             aws.get_region_output().name,
-            ":017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30",
+            ":017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31",
         ),
     ],
     tracing_config={"mode": "Active"},

examples/homepage/install/arm64/sam.yaml

@@ -9,4 +9,4 @@ Resources:
           Runtime: python3.12
           Handler: app.lambda_handler
           Layers:
-          - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30
+          - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31

examples/homepage/install/arm64/serverless.yml

@@ -10,4 +10,4 @@ functions:
     handler: lambda_function.lambda_handler
     architecture: arm64
     layers:
-    - arn:aws:lambda:${aws:region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30
+    - arn:aws:lambda:${aws:region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31

examples/homepage/install/arm64/terraform.tf

@@ -34,7 +34,7 @@ resource "aws_lambda_function" "test_lambda" {
   role          = aws_iam_role.iam_for_lambda.arn
   handler       = "index.test"
   runtime       = "python3.12"
-  layers        = ["arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:30"]
+  layers        = ["arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-arm64:31"]
   architectures = ["arm64"]
 
   source_code_hash = filebase64sha256("lambda_function_payload.zip")

examples/homepage/install/x86_64/amplify.txt

@@ -6,7 +6,7 @@
 ? Do you want to configure advanced settings? Yes
 ...
 ? Do you want to enable Lambda layers for this function? Yes
-? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
 ❯ amplify push -y
 
 
@@ -17,5 +17,5 @@ General information
 - Name: <NAME-OF-FUNCTION>
 ? Which setting do you want to update? Lambda layers configuration
 ? Do you want to enable Lambda layers for this function? Yes
-? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+? Enter up to 5 existing Lambda layer ARNs (comma-separated): arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
 ? Do you want to edit the local lambda function now? No

examples/homepage/install/x86_64/cdk_x86.py

@@ -9,7 +9,7 @@ def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         powertools_layer = aws_lambda.LayerVersion.from_layer_version_arn(
             self,
             id="lambda-powertools",
-            layer_version_arn=f"arn:aws:lambda:{Aws.REGION}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30",
+            layer_version_arn=f"arn:aws:lambda:{Aws.REGION}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31",
         )
         aws_lambda.Function(
             self,

examples/homepage/install/x86_64/pulumi_x86.py

@@ -22,7 +22,7 @@
         pulumi.Output.concat(
             "arn:aws:lambda:",
             aws.get_region_output().name,
-            ":017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30",
+            ":017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31",
         ),
     ],
     tracing_config={"mode": "Active"},

examples/homepage/install/x86_64/sam.yaml

@@ -8,4 +8,4 @@ Resources:
             Runtime: python3.12
             Handler: app.lambda_handler
             Layers:
-            - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+            - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31

examples/homepage/install/x86_64/serverless.yml

@@ -10,4 +10,4 @@ functions:
     handler: lambda_function.lambda_handler
     architecture: arm64
     layers:
-    - arn:aws:lambda:${aws:region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+    - arn:aws:lambda:${aws:region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31

examples/homepage/install/x86_64/terraform.tf

@@ -34,7 +34,7 @@ resource "aws_lambda_function" "test_lambda" {
   role          = aws_iam_role.iam_for_lambda.arn
   handler       = "index.test"
   runtime       = "python3.12"
-  layers        = ["arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30"]
+  layers        = ["arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31"]
 
   source_code_hash = filebase64sha256("lambda_function_payload.zip")
 }

examples/logger/sam/template.yaml

@@ -14,7 +14,7 @@ Globals:
     Layers:
       # Find the latest Layer version in the official documentation
       # https://docs.powertools.aws.dev/lambda/python/latest/#lambda-layer
-      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
 
 Resources:
   LoggerLambdaHandlerExample:

examples/metrics/sam/template.yaml

@@ -16,7 +16,7 @@ Globals:
     Layers:
       # Find the latest Layer version in the official documentation
       # https://docs.powertools.aws.dev/lambda/python/latest/#lambda-layer
-      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
 
 Resources:
   CaptureLambdaHandlerExample:

examples/metrics_datadog/sam/template.yaml

@@ -20,7 +20,7 @@ Globals:
     Layers:
       # Find the latest Layer version in the official documentation
       # https://docs.powertools.aws.dev/lambda/python/latest/#lambda-layer
-      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
       # Find the latest Layer version in the Datadog official documentation
 
       # Datadog SDK

examples/tracer/sam/template.yaml

@@ -13,7 +13,7 @@ Globals:
     Layers:
       # Find the latest Layer version in the official documentation
       # https://docs.powertools.aws.dev/lambda/python/latest/#lambda-layer
-      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:30
+      - !Sub arn:aws:lambda:${AWS::Region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-python312-x86_64:31
 
 Resources:
   CaptureLambdaHandlerExample: