diff --git a/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json b/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
index 8c32ef0ab1a5..e8abdb27e11f 100644
--- a/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
+++ b/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
@@ -58,6 +58,9 @@
         "ap-southeast-3": {
           "description": "Asia Pacific (Jakarta)"
         },
+        "ap-southeast-4": {
+          "description": "Asia Pacific (Melbourne)"
+        },
         "ca-central-1": {
           "description": "Canada (Central)"
         },
@@ -125,6 +128,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -237,6 +241,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -671,6 +676,12 @@
               },
               "hostname": "api.ecr.ap-southeast-3.amazonaws.com"
             },
+            "ap-southeast-4": {
+              "credentialScope": {
+                "region": "ap-southeast-4"
+              },
+              "hostname": "api.ecr.ap-southeast-4.amazonaws.com"
+            },
             "ca-central-1": {
               "credentialScope": {
                 "region": "ca-central-1"
@@ -1310,6 +1321,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -1424,6 +1436,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -1502,6 +1515,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -2220,6 +2234,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -2591,6 +2606,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -2704,6 +2720,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -2855,6 +2872,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -3152,6 +3170,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -3804,6 +3823,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -4621,6 +4641,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -4745,6 +4766,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "dms": {
               "credentialScope": {
@@ -5064,6 +5086,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -5171,6 +5194,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -5281,6 +5305,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -5407,6 +5432,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -5595,6 +5621,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -6152,6 +6179,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -6242,6 +6270,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -6600,6 +6629,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -6693,6 +6723,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -7410,6 +7441,7 @@
               "deprecated": true,
               "hostname": "fsx-fips.us-west-2.amazonaws.com"
             },
+            "me-central-1": {},
             "me-south-1": {},
             "prod-ca-central-1": {
               "credentialScope": {
@@ -9051,6 +9083,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -9330,6 +9363,14 @@
               "deprecated": true,
               "hostname": "kms-fips.ap-southeast-3.amazonaws.com"
             },
+            "ap-southeast-4": {
+              "variants": [
+                {
+                  "hostname": "kms-fips.ap-southeast-4.amazonaws.com",
+                  "tags": ["fips"]
+                }
+              ]
+            },
             "ap-southeast-4-fips": {
               "credentialScope": {
                 "region": "ap-southeast-4"
@@ -9742,6 +9783,14 @@
                 }
               ]
             },
+            "ap-southeast-4": {
+              "variants": [
+                {
+                  "hostname": "lambda.ap-southeast-4.api.aws",
+                  "tags": ["dualstack"]
+                }
+              ]
+            },
             "ca-central-1": {
               "variants": [
                 {
@@ -10186,6 +10235,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -10850,6 +10900,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -11095,6 +11146,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -11503,6 +11555,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -11879,6 +11932,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -12475,6 +12529,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -12575,6 +12630,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -12845,6 +12901,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -13193,6 +13250,9 @@
             "ap-southeast-2": {
               "hostname": "resource-explorer-2.ap-southeast-2.api.aws"
             },
+            "ap-southeast-4": {
+              "hostname": "resource-explorer-2.ap-southeast-4.api.aws"
+            },
             "ca-central-1": {
               "hostname": "resource-explorer-2.ca-central-1.api.aws"
             },
@@ -13239,13 +13299,17 @@
             "ap-northeast-2": {},
             "ap-northeast-3": {},
             "ap-south-1": {},
+            "ap-south-2": {},
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
+            "eu-central-2": {},
             "eu-north-1": {},
             "eu-south-1": {},
+            "eu-south-2": {},
             "eu-west-1": {},
             "eu-west-2": {},
             "eu-west-3": {},
@@ -13696,6 +13760,14 @@
                 }
               ]
             },
+            "ap-southeast-4": {
+              "variants": [
+                {
+                  "hostname": "s3.dualstack.ap-southeast-4.amazonaws.com",
+                  "tags": ["dualstack"]
+                }
+              ]
+            },
             "aws-global": {
               "credentialScope": {
                 "region": "us-east-1"
@@ -14400,6 +14472,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -15636,6 +15709,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -15726,6 +15800,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -15813,6 +15888,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -15985,6 +16061,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -16181,6 +16258,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -16218,6 +16296,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "aws-global": {
               "credentialScope": {
                 "region": "us-east-1"
@@ -16329,6 +16408,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -16415,6 +16495,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -16501,6 +16582,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},
@@ -18170,6 +18252,7 @@
             "ap-southeast-1": {},
             "ap-southeast-2": {},
             "ap-southeast-3": {},
+            "ap-southeast-4": {},
             "ca-central-1": {},
             "eu-central-1": {},
             "eu-central-2": {},