diff --git a/Sources/OTCore/Extensions/Foundation/UserDefaults.swift b/Sources/OTCore/Extensions/Foundation/UserDefaults.swift
index 1d84fd5..723622c 100644
--- a/Sources/OTCore/Extensions/Foundation/UserDefaults.swift
+++ b/Sources/OTCore/Extensions/Foundation/UserDefaults.swift
@@ -62,12 +62,12 @@ extension UserDefaults {
 ///
 /// If a default value is provided, the `Value` will be treated as a non-Optional with a default.
 ///
-///     @UserDefaultsBacked(key: "myPref")
+///     @UserDefaultsStorage(key: "myPref")
 ///     var myPref: Bool = true
 ///
 /// If no default is provided, the `Value` will be treated as an Optional.
 ///
-///     @UserDefaultsBacked(key: "myPref")
+///     @UserDefaultsStorage(key: "myPref")
 ///     var myPref: Bool?
 ///
 /// A different type than the underlying storage type can be used.
@@ -77,7 +77,7 @@ extension UserDefaults {
 ///     // Stored as a `String`, but the var is an `Int`.
 ///     // get closure: transform `String` into `Int`
 ///     // set closure: transform `Int` into `String`
-///     @UserDefaultsBacked(
+///     @UserDefaultsStorage(
 ///         key: "myPref",
 ///         get: { Int($0) },
 ///         set: { "\($0)" }
@@ -89,7 +89,7 @@ extension UserDefaults {
 ///     // Stored as a `String`, but the var is an `Int`.
 ///     // get closure: transform `String?` into `Int`
 ///     // set closure: transform `Int` into `String`
-///     @UserDefaultsBacked(
+///     @UserDefaultsStorage(
 ///         key: "myPref",
 ///         get: { Int($0 ?? "") ?? 0 },
 ///         set: { "\($0)" }
@@ -101,7 +101,7 @@ extension UserDefaults {
 /// A special value validation closure is available when the value type matches the stored value
 /// type.
 ///
-///     @UserDefaultsBacked(
+///     @UserDefaultsStorage(
 ///         key: "myPref",
 ///         validation: { $0.trimmingCharacters(in: .whitespaces) },
 ///     )
@@ -110,11 +110,11 @@ extension UserDefaults {
 /// A special value clamping closure is available when the value type matches the stored value
 /// type. Any types (not just integers) that can form a range can be clamped.
 ///
-///     @UserDefaultsBacked(key: "myPref", clamped: 5 ... 10)
+///     @UserDefaultsStorage(key: "myPref", clamped: 5 ... 10)
 ///     var pref = 1 // will be clamped to 5
 ///
 @propertyWrapper
-public struct UserDefaultsBacked<Value, StorageValue> {
+public struct UserDefaultsStorage<Value, StorageValue> {
     private let key: String
     private let defaultValue: Any
     public var storage: UserDefaults
@@ -303,7 +303,7 @@ public struct UserDefaultsBacked<Value, StorageValue> {
     }
 }
 
-extension UserDefaultsBacked where Value: ExpressibleByNilLiteral {
+extension UserDefaultsStorage where Value: ExpressibleByNilLiteral {
     // MARK: Init - Same Type
     
     public init(
@@ -350,4 +350,49 @@ extension UserDefaultsBacked where Value: ExpressibleByNilLiteral {
     }
 }
 
+// MARK: - API Changes in 1.4.6
+@available(*, unavailable, renamed: "UserDefaultsStorage")
+@propertyWrapper
+public struct UserDefaultsBacked<Value> {
+    public var storage: UserDefaults
+    public var wrappedValue: Value
+    
+    //public init(wrappedValue: Value) { fatalError() }
+    
+    //public init(key: String) { fatalError() }
+    
+    public init(
+        wrappedValue defaultValue: Value,
+        key: String,
+        storage: UserDefaults = .standard
+    ) { fatalError() }
+    
+    public init<R: RangeExpression>(
+        wrappedValue defaultValue: Value,
+        key: String,
+        clamped range: R,
+        storage: UserDefaults = .standard
+    ) where R.Bound == Value { fatalError() }
+    
+    public init(
+        wrappedValue defaultValue: Value,
+        key: String,
+        validation closure: @escaping (Value) -> Value,
+        storage: UserDefaults = .standard
+    ) { fatalError() }
+
+    /* extension UserDefaultsBacked where Value: ExpressibleByNilLiteral { */
+
+    public init<V>(
+        key: String,
+        storage: UserDefaults = .standard
+    ) where Value == V? { fatalError() }
+    
+    public init<V>(
+        key: String,
+        validation closure: @escaping (Value) -> Value,
+        storage: UserDefaults = .standard
+    ) where Value == V? { fatalError() }
+}
+
 #endif
diff --git a/Tests/OTCoreTests/Extensions/Foundation/UserDefaults Tests.swift b/Tests/OTCoreTests/Extensions/Foundation/UserDefaults Tests.swift
index ff57c84..c61b87e 100644
--- a/Tests/OTCoreTests/Extensions/Foundation/UserDefaults Tests.swift	
+++ b/Tests/OTCoreTests/Extensions/Foundation/UserDefaults Tests.swift	
@@ -82,11 +82,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertFalse(ud.exists(key: "does_not_exist"))
     }
     
-    func testUserDefaultsBacked_Defaulted_NoPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "defaultedPref"
             
-            @UserDefaultsBacked(key: prefKey, storage: ud)
+            @UserDefaultsStorage(key: prefKey, storage: ud)
             var pref = 2
         }
         
@@ -101,11 +101,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_Defaulted_HasPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "defaultedPref"
             
-            @UserDefaultsBacked(key: prefKey, storage: ud)
+            @UserDefaultsStorage(key: prefKey, storage: ud)
             var pref = 2
         }
         
@@ -123,11 +123,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_NonDefaulted_NoPreviousValue() {
+    func testUserDefaultsStorage_NonDefaulted_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "nonDefaultedPref"
             
-            @UserDefaultsBacked(key: prefKey, storage: ud)
+            @UserDefaultsStorage(key: prefKey, storage: ud)
             var pref: String?
         }
         
@@ -148,11 +148,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, nil)
     }
     
-    func testUserDefaultsBacked_NonDefaulted_HasPreviousValue() {
+    func testUserDefaultsStorage_NonDefaulted_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "nonDefaultedPref"
             
-            @UserDefaultsBacked(key: prefKey, storage: ud)
+            @UserDefaultsStorage(key: prefKey, storage: ud)
             var pref: String?
         }
         
@@ -176,11 +176,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, nil)
     }
     
-    func testUserDefaultsBacked_Defaulted_Clamped_NoPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_Clamped_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "clampedPref"
             
-            @UserDefaultsBacked(key: prefKey, clamped: 5 ... 10, storage: ud)
+            @UserDefaultsStorage(key: prefKey, clamped: 5 ... 10, storage: ud)
             var pref = 1
         }
         
@@ -216,11 +216,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 10)
     }
     
-    func testUserDefaultsBacked_Defaulted_Clamped_HasPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_Clamped_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "clampedPref"
             
-            @UserDefaultsBacked(key: prefKey, clamped: 5 ... 10, storage: ud)
+            @UserDefaultsStorage(key: prefKey, clamped: 5 ... 10, storage: ud)
             var pref = 1
         }
         
@@ -259,11 +259,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 10)
     }
     
-    func testUserDefaultsBacked_Defaulted_Validated_NoPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_Validated_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "validatedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 validation: { $0.clamped(to: 5 ... 10) },
                 storage: ud
@@ -303,11 +303,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 10)
     }
     
-    func testUserDefaultsBacked_Defaulted_Validated_HasPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_Validated_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "validatedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 validation: { $0.clamped(to: 5 ... 10) },
                 storage: ud
@@ -350,11 +350,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 10)
     }
     
-    func testUserDefaultsBacked_Defaulted_GetSet_NoPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_GetSet_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "transformedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { Int($0) },
                 set: { $0 < 5 ? "\($0)" : nil },
@@ -381,11 +381,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 1)
     }
     
-    func testUserDefaultsBacked_Defaulted_GetSet_HasPreviousValue() {
+    func testUserDefaultsStorage_Defaulted_GetSet_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "transformedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { Int($0) },
                 set: { $0 < 8 ? "\($0)" : nil },
@@ -409,11 +409,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_NonDefaulted_GetSet_NoPreviousValue() {
+    func testUserDefaultsStorage_NonDefaulted_GetSet_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "nonDefaultedTransformedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { Int($0) },
                 set: { $0 != nil ? "\($0!)" : nil },
@@ -439,11 +439,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, nil)
     }
     
-    func testUserDefaultsBacked_NonDefaulted_GetSet_HasPreviousValue() {
+    func testUserDefaultsStorage_NonDefaulted_GetSet_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "nonDefaultedTransformedPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { Int($0) },
                 set: { $0 != nil ? "\($0!)" : nil },
@@ -467,12 +467,12 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_ComputedOnly_Generic() {
+    func testUserDefaultsStorage_ComputedOnly_Generic() {
         struct DummyPrefs {
             static let prefKey = "computedOnlyPref"
             
             // not used, just here to see if this alternate syntax compiles
-            @UserDefaultsBacked<Int, String>(
+            @UserDefaultsStorage<Int, String>(
                 key: prefKey,
                 get: { $0 != nil ? Int($0!) ?? 0 : 0 },
                 set: { "\($0)" },
@@ -481,7 +481,7 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
             private var pref1: Int
             
             // not used, just here to see if this alternate syntax compiles
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { (storedValue: String?) in
                     storedValue != nil ? Int(storedValue!) ?? 0 : 0
@@ -495,11 +495,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         _ = DummyPrefs() // forces property wrappers to init
     }
     
-    func testUserDefaultsBacked_ComputedOnly_NoPreviousValue() {
+    func testUserDefaultsStorage_ComputedOnly_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "computedOnlyPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { $0 != nil ? Int($0!) ?? -1 : -1 },
                 set: { "\($0)" },
@@ -520,11 +520,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_ComputedOnly_Optional_NoPreviousValue() {
+    func testUserDefaultsStorage_ComputedOnly_Optional_NoPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "computedOnlyOptionalPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { $0 != nil ? Int($0!) ?? -1 : -1 },
                 set: { "\($0 ?? -1)" },
@@ -550,11 +550,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, -1)
     }
     
-    func testUserDefaultsBacked_ComputedOnly_HasPreviousValue() {
+    func testUserDefaultsStorage_ComputedOnly_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "computedOnlyPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { $0 != nil ? Int($0!) ?? -1 : -1 },
                 set: { "\($0)" },
@@ -578,11 +578,11 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
         XCTAssertEqual(dummyPrefs.pref, 4)
     }
     
-    func testUserDefaultsBacked_ComputedOnly_Optional_HasPreviousValue() {
+    func testUserDefaultsStorage_ComputedOnly_Optional_HasPreviousValue() {
         struct DummyPrefs {
             static let prefKey = "computedOnlyOptionalPref"
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: prefKey,
                 get: { $0 != nil ? Int($0!) ?? -1 : -1 },
                 set: { "\($0 ?? -1)" },
@@ -590,7 +590,7 @@ class Extensions_Foundation_UserDefaults_Tests: XCTestCase {
             )
             var pref: Int?
             
-            @UserDefaultsBacked(
+            @UserDefaultsStorage(
                 key: "myPref",
                 get: { Int($0 ?? "") ?? 0 },
                 set: { "\($0)" }