Target macOS 10.15, iOS 13, tvOS 13, watchOS 6

sindresorhus · Nov 18, 2022 · ea11b7a · ea11b7a
1 parent 60013d9
commit ea11b7a
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Showing 20 changed files with 65 additions and 144 deletions.
diff --git a/Package.swift b/Package.swift
@@ -4,10 +4,10 @@ import PackageDescription
 let package = Package(
 	name: "Defaults",
 	platforms: [
-		.macOS(.v10_13),
-		.iOS(.v12),
-		.tvOS(.v12),
-		.watchOS(.v5)
+		.macOS(.v10_15),
+		.iOS(.v13),
+		.tvOS(.v13),
+		.watchOS(.v6)
 	],
 	products: [
 		.library(

diff --git a/Sources/Defaults/Defaults.swift b/Sources/Defaults/Defaults.swift
@@ -75,6 +75,8 @@ extension Defaults {
 		//           Key          Type   UserDefaults name   Default value
 	}
 	```
+
+	- Warning: The key must be ASCII, not start with `@`, and cannot contain a dot (`.`).
 	*/
 	public final class Key<Value: Serializable>: _AnyKey {
 		/**

diff --git a/Sources/Defaults/Observation+Combine.swift b/Sources/Defaults/Observation+Combine.swift
@@ -6,7 +6,6 @@ extension Defaults {
 	/**
 	Custom `Subscription` for `UserDefaults` key observation.
 	*/
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	final class DefaultsSubscription<SubscriberType: Subscriber>: Subscription where SubscriberType.Input == BaseChange {
 		private var subscriber: SubscriberType?
 		private var observation: UserDefaultsKeyObservation?
@@ -43,7 +42,6 @@ extension Defaults {
 	/**
 	Custom Publisher, which is using DefaultsSubscription.
 	*/
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	struct DefaultsPublisher: Publisher {
 		typealias Output = BaseChange
 		typealias Failure = Never
@@ -87,7 +85,6 @@ extension Defaults {
 	}
 	```
 	*/
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	public static func publisher<Value: Serializable>(
 		_ key: Key<Value>,
 		options: ObservationOptions = [.initial]
@@ -101,7 +98,6 @@ extension Defaults {
 	/**
 	Publisher for multiple `Key<T>` observation, but without specific information about changes.
 	*/
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	public static func publisher(
 		keys: _AnyKey...,
 		options: ObservationOptions = [.initial]

diff --git a/Sources/Defaults/SwiftUI.swift b/Sources/Defaults/SwiftUI.swift
@@ -1,8 +1,6 @@
-#if canImport(Combine)
 import SwiftUI
 import Combine
 
-@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 extension Defaults {
 	@MainActor
 	final class Observable<Value: Serializable>: ObservableObject {
@@ -67,7 +65,6 @@ Access stored values from SwiftUI.
 
 This is similar to `@AppStorage` but it accepts a ``Defaults/Key`` and many more types.
 */
-@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 @propertyWrapper
 public struct Default<Value: Defaults.Serializable>: DynamicProperty {
 	public typealias Publisher = AnyPublisher<Defaults.KeyChange<Value>, Never>
@@ -152,7 +149,6 @@ public struct Default<Value: Defaults.Serializable>: DynamicProperty {
 	}
 }
 
-@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 extension Default where Value: Equatable {
 	/**
 	Indicates whether the value is the same as the default value.
@@ -234,7 +230,6 @@ extension Defaults.Toggle {
 	}
 }
 
-@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 extension Defaults {
 	// TODO: Expose this publicly at some point.
 	private static func events<Value: Serializable>(
@@ -257,7 +252,6 @@ extension Defaults {
 	}
 }
 
-@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 @propertyWrapper
 private struct ViewStorage<Value>: DynamicProperty {
 	private final class ValueBox {
@@ -281,4 +275,3 @@ private struct ViewStorage<Value>: DynamicProperty {
 		self._valueBox = .init(wrappedValue: ValueBox(value()))
 	}
 }
-#endif
diff --git a/Tests/DefaultsTests/DefaultsAnySeriliazableTests.swift b/Tests/DefaultsTests/DefaultsAnySeriliazableTests.swift
@@ -368,7 +368,6 @@ final class DefaultsAnySerializableTests: XCTestCase {
 		}
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<Defaults.AnySerializable>("observeAnyKeyCombine", default: 123)
 		let expect = expectation(description: "Observation closure being called")
@@ -396,7 +395,6 @@ final class DefaultsAnySerializableTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<Defaults.AnySerializable?>("observeAnyOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")

diff --git a/Tests/DefaultsTests/DefaultsArrayTests.swift b/Tests/DefaultsTests/DefaultsArrayTests.swift
@@ -81,7 +81,6 @@ final class DefaultsArrayTests: XCTestCase {
 		XCTAssertEqual(Defaults[.array][0], newName)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<[String]>("observeArrayKeyCombine", default: fixtureArray)
 		let newName = "Chen"
@@ -108,7 +107,6 @@ final class DefaultsArrayTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<[String]?>("observeArrayOptionalKeyCombine")
 		let newName = ["Chen"]

diff --git a/Tests/DefaultsTests/DefaultsCodableEnumTests.swift b/Tests/DefaultsTests/DefaultsCodableEnumTests.swift
@@ -131,7 +131,6 @@ final class DefaultsCodableEnumTests: XCTestCase {
 		XCTAssertNotNil(UserDefaults.standard.integer(forKey: keyName))
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<FixtureCodableEnum>("observeCodableEnumKeyCombine", default: .tenMinutes)
 		let expect = expectation(description: "Observation closure being called")
@@ -159,7 +158,6 @@ final class DefaultsCodableEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<FixtureCodableEnum?>("observeCodableEnumOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")
@@ -188,7 +186,6 @@ final class DefaultsCodableEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[FixtureCodableEnum]>("observeCodableEnumArrayKeyCombine", default: [.tenMinutes])
 		let expect = expectation(description: "Observation closure being called")
@@ -216,7 +213,6 @@ final class DefaultsCodableEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryKeyCombine() {
 		let key = Defaults.Key<[String: FixtureCodableEnum]>("observeCodableEnumDictionaryKeyCombine", default: ["0": .tenMinutes])
 		let expect = expectation(description: "Observation closure being called")

diff --git a/Tests/DefaultsTests/DefaultsCodableTests.swift b/Tests/DefaultsTests/DefaultsCodableTests.swift
@@ -162,7 +162,6 @@ final class DefaultsCodableTests: XCTestCase {
 		XCTAssertNotNil(UserDefaults.standard.data(forKey: keyName))
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<Unicorn>("observeCodableKeyCombine", default: fixtureCodable)
 		let expect = expectation(description: "Observation closure being called")
@@ -188,7 +187,6 @@ final class DefaultsCodableTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<Unicorn?>("observeCodableOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")
@@ -216,7 +214,6 @@ final class DefaultsCodableTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[Unicorn]>("observeCodableArrayKeyCombine", default: [fixtureCodable])
 		let expect = expectation(description: "Observation closure being called")
@@ -242,7 +239,6 @@ final class DefaultsCodableTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryKeyCombine() {
 		let key = Defaults.Key<[String: Unicorn]>("observeCodableDictionaryKeyCombine", default: ["0": fixtureCodable])
 		let expect = expectation(description: "Observation closure being called")

diff --git a/Tests/DefaultsTests/DefaultsCollectionCustomElementTests.swift b/Tests/DefaultsTests/DefaultsCollectionCustomElementTests.swift
@@ -170,7 +170,6 @@ final class DefaultsCollectionCustomElementTests: XCTestCase {
 		XCTAssertEqual(Defaults[.collectionCustomElementDictionary]["1"]?[0], fixtureCustomCollection2)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<Bag<Item>>("observeCollectionCustomElementKeyCombine", default: .init(items: [fixtureCustomCollection]))
 		let expect = expectation(description: "Observation closure being called")
@@ -196,7 +195,6 @@ final class DefaultsCollectionCustomElementTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<Bag<Item>?>("observeCollectionCustomElementOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")
@@ -225,7 +223,6 @@ final class DefaultsCollectionCustomElementTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[Bag<Item>]>("observeCollectionCustomElementArrayKeyCombine", default: [.init(items: [fixtureCustomCollection])])
 		let expect = expectation(description: "Observation closure being called")
@@ -251,7 +248,6 @@ final class DefaultsCollectionCustomElementTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryKeyCombine() {
 		let key = Defaults.Key<[String: Bag<Item>]>("observeCollectionCustomElementDictionaryKeyCombine", default: ["0": .init(items: [fixtureCustomCollection])])
 		let expect = expectation(description: "Observation closure being called")

diff --git a/Tests/DefaultsTests/DefaultsCollectionTests.swift b/Tests/DefaultsTests/DefaultsCollectionTests.swift
@@ -156,7 +156,6 @@ final class DefaultsCollectionTests: XCTestCase {
 		XCTAssertEqual(Defaults[.collectionDictionary]["1"]?[0], fixtureCollection[0])
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<Bag<String>>("observeCollectionKeyCombine", default: .init(items: fixtureCollection))
 		let item = "Grape"
@@ -183,7 +182,6 @@ final class DefaultsCollectionTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<Bag<String>?>("observeCollectionOptionalKeyCombine")
 		let item = "Grape"
@@ -213,7 +211,6 @@ final class DefaultsCollectionTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[Bag<String>]>("observeCollectionArrayKeyCombine", default: [.init(items: fixtureCollection)])
 		let item = "Grape"
@@ -240,7 +237,6 @@ final class DefaultsCollectionTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryKeyCombine() {
 		let key = Defaults.Key<[String: Bag<String>]>("observeCollectionArrayKeyCombine", default: ["0": .init(items: fixtureCollection)])
 		let item = "Grape"

diff --git a/Tests/DefaultsTests/DefaultsCustomBridgeTests.swift b/Tests/DefaultsTests/DefaultsCustomBridgeTests.swift
@@ -242,7 +242,6 @@ final class DefaultsCustomBridge: XCTestCase {
 		XCTAssertEqual(Defaults[.customBridgeDictionary]["0"], newUser)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<User>("observeCustomBridgeKeyCombine", default: fixtureCustomBridge)
 		let newUser = User(username: "sindresorhus", password: "123456789")
@@ -269,7 +268,6 @@ final class DefaultsCustomBridge: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<User?>("observeCustomBridgeOptionalKeyCombine")
 		let newUser = User(username: "sindresorhus", password: "123456789")
@@ -299,7 +297,6 @@ final class DefaultsCustomBridge: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[User]>("observeCustomBridgeArrayKeyCombine", default: [fixtureCustomBridge])
 		let newUser = User(username: "sindresorhus", password: "123456789")
@@ -326,7 +323,6 @@ final class DefaultsCustomBridge: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryCombine() {
 		let key = Defaults.Key<[String: User]>("observeCustomBridgeDictionaryKeyCombine", default: ["0": fixtureCustomBridge])
 		let newUser = User(username: "sindresorhus", password: "123456789")

diff --git a/Tests/DefaultsTests/DefaultsDictionaryTests.swift b/Tests/DefaultsTests/DefaultsDictionaryTests.swift
@@ -64,7 +64,6 @@ final class DefaultsDictionaryTests: XCTestCase {
 		XCTAssertEqual(Defaults[.dictionary]["0"], newName)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<[String: String]>("observeDictionaryKeyCombine", default: fixtureDictionary)
 		let expect = expectation(description: "Observation closure being called")
@@ -91,7 +90,6 @@ final class DefaultsDictionaryTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<[String: String]?>("observeDictionaryOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")

diff --git a/Tests/DefaultsTests/DefaultsEnumTests.swift b/Tests/DefaultsTests/DefaultsEnumTests.swift
@@ -116,7 +116,6 @@ final class DefaultsEnumTests: XCTestCase {
 		XCTAssertEqual(Defaults[.enumDictionary]["0"], .halfHour)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveKeyCombine() {
 		let key = Defaults.Key<FixtureEnum>("observeEnumKeyCombine", default: .tenMinutes)
 		let expect = expectation(description: "Observation closure being called")
@@ -146,7 +145,6 @@ final class DefaultsEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveOptionalKeyCombine() {
 		let key = Defaults.Key<FixtureEnum?>("observeEnumOptionalKeyCombine")
 		let expect = expectation(description: "Observation closure being called")
@@ -176,7 +174,6 @@ final class DefaultsEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveArrayKeyCombine() {
 		let key = Defaults.Key<[FixtureEnum]>("observeEnumArrayKeyCombine", default: [.tenMinutes])
 		let expect = expectation(description: "Observation closure being called")
@@ -205,7 +202,6 @@ final class DefaultsEnumTests: XCTestCase {
 		waitForExpectations(timeout: 10)
 	}
 
-	@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
 	func testObserveDictionaryKeyCombine() {
 		let key = Defaults.Key<[String: FixtureEnum]>("observeEnumDictionaryKeyCombine", default: ["0": .tenMinutes])
 		let expect = expectation(description: "Observation closure being called")
-Original file line number
+Diff line change
@@ Expand Up / @@ -75,6 +75,8 @@ extension Defaults { @@
     		//           Key          Type   UserDefaults name   Default value
     	}
     	```
+    	- Warning: The key must be ASCII, not start with `@`, and cannot contain a dot (`.`).
     	*/
     	public final class Key<Value: Serializable>: _AnyKey {
     		/**
@@ Expand Down @@