diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7a8c0c17..5dc767c2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## v12.1.0
+
+### New Features
+
+- Added `to.ByteSlicePtr()`.
+- Added blob/queue storage resource ID to `azure.ResourceIdentifier`.
+
 ## v12.0.0
 
 ### Breaking Changes
diff --git a/autorest/azure/environments.go b/autorest/azure/environments.go
index cdde41418..6c20b8179 100644
--- a/autorest/azure/environments.go
+++ b/autorest/azure/environments.go
@@ -45,6 +45,7 @@ type ResourceIdentifier struct {
 	Datalake            string `json:"datalake"`
 	Batch               string `json:"batch"`
 	OperationalInsights string `json:"operationalInsights"`
+	Storage             string `json:"storage"`
 }
 
 // Environment represents a set of endpoints for each of Azure's Clouds.
@@ -103,6 +104,7 @@ var (
 			Datalake:            "https://datalake.azure.net/",
 			Batch:               "https://batch.core.windows.net/",
 			OperationalInsights: "https://api.loganalytics.io",
+			Storage:             "https://storage.azure.com/",
 		},
 	}
 
@@ -135,6 +137,7 @@ var (
 			Datalake:            NotAvailable,
 			Batch:               "https://batch.core.usgovcloudapi.net/",
 			OperationalInsights: "https://api.loganalytics.us",
+			Storage:             "https://storage.azure.com/",
 		},
 	}
 
@@ -167,6 +170,7 @@ var (
 			Datalake:            NotAvailable,
 			Batch:               "https://batch.chinacloudapi.cn/",
 			OperationalInsights: NotAvailable,
+			Storage:             "https://storage.azure.com/",
 		},
 	}
 
@@ -199,6 +203,7 @@ var (
 			Datalake:            NotAvailable,
 			Batch:               "https://batch.cloudapi.de/",
 			OperationalInsights: NotAvailable,
+			Storage:             "https://storage.azure.com/",
 		},
 	}
 )
diff --git a/autorest/version.go b/autorest/version.go
index 0c8d9d224..d3e57b509 100644
--- a/autorest/version.go
+++ b/autorest/version.go
@@ -19,7 +19,7 @@ import (
 	"runtime"
 )
 
-const number = "v12.0.0"
+const number = "v12.1.0"
 
 var (
 	userAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",