diff --git a/.changes/next-release/api-change-bedrockagent-49685.json b/.changes/next-release/api-change-bedrockagent-49685.json
new file mode 100644
index 0000000000..e07e6aa357
--- /dev/null
+++ b/.changes/next-release/api-change-bedrockagent-49685.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``bedrock-agent``",
+  "description": "[``botocore``] This release adds support for using MongoDB Atlas as a vector store when creating a knowledge base."
+}
diff --git a/.changes/next-release/api-change-ec2-34249.json b/.changes/next-release/api-change-ec2-34249.json
new file mode 100644
index 0000000000..0306a0e5da
--- /dev/null
+++ b/.changes/next-release/api-change-ec2-34249.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``ec2``",
+  "description": "[``botocore``] Documentation updates for Amazon EC2."
+}
diff --git a/.changes/next-release/api-change-personalizeruntime-5072.json b/.changes/next-release/api-change-personalizeruntime-5072.json
new file mode 100644
index 0000000000..b57e1398ac
--- /dev/null
+++ b/.changes/next-release/api-change-personalizeruntime-5072.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``personalize-runtime``",
+  "description": "[``botocore``] This release adds support for a Reason attribute for predicted items generated by User-Personalization-v2."
+}
diff --git a/.changes/next-release/api-change-securityhub-84900.json b/.changes/next-release/api-change-securityhub-84900.json
new file mode 100644
index 0000000000..aa594fefaf
--- /dev/null
+++ b/.changes/next-release/api-change-securityhub-84900.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``securityhub``",
+  "description": "[``botocore``] Updated CreateMembers API request with limits."
+}
diff --git a/.changes/next-release/api-change-sesv2-33338.json b/.changes/next-release/api-change-sesv2-33338.json
new file mode 100644
index 0000000000..cae11c8190
--- /dev/null
+++ b/.changes/next-release/api-change-sesv2-33338.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``sesv2``",
+  "description": "[``botocore``] Fixes ListContacts and ListImportJobs APIs to use POST instead of GET."
+}