Merge branch 'release-1.40.38'

* release-1.40.38:
  Bumping version to 1.40.38
  Update to latest models
  Add ReplicatedWriteConflictException to legacy retry config (#3520)

Author: aws-sdk-python-automation

.changes/1.40.38.json

@@ -0,0 +1,32 @@
+[
+  {
+    "category": "``appstream``",
+    "description": "G6f instance support for AppStream 2.0",
+    "type": "api-change"
+  },
+  {
+    "category": "``cloudwatch``",
+    "description": "Fix default dualstack FIPS endpoints in AWS GovCloud(US) regions",
+    "type": "api-change"
+  },
+  {
+    "category": "``dax``",
+    "description": "This release adds support for IPv6-only, DUAL_STACK DAX instances",
+    "type": "api-change"
+  },
+  {
+    "category": "``endpoint-rules``",
+    "description": "Update endpoint-rules client to latest version",
+    "type": "api-change"
+  },
+  {
+    "category": "``kms``",
+    "description": "Documentation only updates for KMS.",
+    "type": "api-change"
+  },
+  {
+    "category": "``neptune``",
+    "description": "Doc-only update to address customer use.",
+    "type": "api-change"
+  }
+]

CHANGELOG.rst

@@ -2,6 +2,17 @@
 CHANGELOG
 =========
 
+1.40.38
+=======
+
+* api-change:``appstream``: G6f instance support for AppStream 2.0
+* api-change:``cloudwatch``: Fix default dualstack FIPS endpoints in AWS GovCloud(US) regions
+* api-change:``dax``: This release adds support for IPv6-only, DUAL_STACK DAX instances
+* api-change:``endpoint-rules``: Update endpoint-rules client to latest version
+* api-change:``kms``: Documentation only updates for KMS.
+* api-change:``neptune``: Doc-only update to address customer use.
+
+
 1.40.37
 =======
 

botocore/__init__.py

@@ -17,7 +17,7 @@
 import re
 from logging import NullHandler
 
-__version__ = '1.40.37'
+__version__ = '1.40.38'
 
 
 # Configure default logger to do nothing

botocore/data/_retry.json

@@ -134,6 +134,14 @@
           "growth_factor": 2
         },
         "policies": {
+          "write_conflict": {
+            "applies_when": {
+              "response": {
+                "service_error_code": "ReplicatedWriteConflictException",
+                "http_status_code": 409
+              }
+            }
+          },
 	  "still_processing": {
 	    "applies_when": {
 	      "response": {