diff --git a/.changes/next-release/api-change-dynamodb-84402.json b/.changes/next-release/api-change-dynamodb-84402.json
new file mode 100644
index 000000000000..4091004e82d4
--- /dev/null
+++ b/.changes/next-release/api-change-dynamodb-84402.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``dynamodb``",
+  "description": "Documentation updates for DynamoDB."
+}
diff --git a/.changes/next-release/api-change-ec2-10974.json b/.changes/next-release/api-change-ec2-10974.json
new file mode 100644
index 000000000000..82503e6f8737
--- /dev/null
+++ b/.changes/next-release/api-change-ec2-10974.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``ec2``",
+  "description": "This release adds support for a new boot mode for EC2 instances called 'UEFI Preferred'."
+}
diff --git a/.changes/next-release/api-change-macie2-24774.json b/.changes/next-release/api-change-macie2-24774.json
new file mode 100644
index 000000000000..b930e6632ff0
--- /dev/null
+++ b/.changes/next-release/api-change-macie2-24774.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``macie2``",
+  "description": "Documentation updates for Amazon Macie"
+}
diff --git a/.changes/next-release/api-change-mediaconvert-54048.json b/.changes/next-release/api-change-mediaconvert-54048.json
new file mode 100644
index 000000000000..5f9a57379699
--- /dev/null
+++ b/.changes/next-release/api-change-mediaconvert-54048.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``mediaconvert``",
+  "description": "The AWS Elemental MediaConvert SDK has improved handling for different input and output color space combinations."
+}
diff --git a/.changes/next-release/api-change-medialive-91951.json b/.changes/next-release/api-change-medialive-91951.json
new file mode 100644
index 000000000000..d4ce8e16ef5d
--- /dev/null
+++ b/.changes/next-release/api-change-medialive-91951.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``medialive``",
+  "description": "AWS Elemental MediaLive adds support for Nielsen watermark timezones."
+}
diff --git a/.changes/next-release/api-change-transcribe-20023.json b/.changes/next-release/api-change-transcribe-20023.json
new file mode 100644
index 000000000000..448bab8a95a3
--- /dev/null
+++ b/.changes/next-release/api-change-transcribe-20023.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``transcribe``",
+  "description": "Amazon Transcribe now supports role access for these API operations: CreateVocabulary, UpdateVocabulary, CreateVocabularyFilter, and UpdateVocabularyFilter."
+}