diff --git a/Sources/StringGenerator/Extensions/AttributeSyntax+Availability.swift b/Sources/StringGenerator/Extensions/AttributeSyntax+Availability.swift
index e685030..69e7dfb 100644
--- a/Sources/StringGenerator/Extensions/AttributeSyntax+Availability.swift
+++ b/Sources/StringGenerator/Extensions/AttributeSyntax+Availability.swift
@@ -74,6 +74,24 @@ extension AvailabilityArgumentListSyntax {
         ]
     }
 
+    static var wwdc2020: AvailabilityArgumentListSyntax {
+        [
+            AvailabilityArgumentSyntax(argument: .platformVersionRestriction("macOS", versionMajor: 11))
+                .with(\.trailingComma, .commaToken()),
+
+            AvailabilityArgumentSyntax(argument: .platformVersionRestriction("iOS", versionMajor: 14))
+                .with(\.trailingComma, .commaToken()),
+
+            AvailabilityArgumentSyntax(argument: .platformVersionRestriction("tvOS", versionMajor: 14))
+                .with(\.trailingComma, .commaToken()),
+
+            AvailabilityArgumentSyntax(argument: .platformVersionRestriction("watchOS", versionMajor: 7))
+                .with(\.trailingComma, .commaToken()),
+
+            AvailabilityArgumentSyntax(argument: .token(.binaryOperator("*")))
+        ]
+    }
+
     static var wwdc2019: AvailabilityArgumentListSyntax {
         [
             AvailabilityArgumentSyntax(argument: .platformVersionRestriction("macOS", versionMajor: 10, versionMinor: 5))
diff --git a/Sources/StringGenerator/Snippets/SourceFileSnippet.swift b/Sources/StringGenerator/Snippets/SourceFileSnippet.swift
index fe61851..6b4f472 100644
--- a/Sources/StringGenerator/Snippets/SourceFileSnippet.swift
+++ b/Sources/StringGenerator/Snippets/SourceFileSnippet.swift
@@ -76,7 +76,8 @@ struct SourceFileSnippet: Snippet {
 
                     StringsTableConversionStaticMethodSnippet(
                         stringsTable: sourceFile.stringExtension.stringsTableStruct,
-                        returnType: .type(.LocalizedStringKey)
+                        returnType: .type(.LocalizedStringKey),
+                        availability: .wwdc2020
                     )
 
                     LocalizedStringKeyOverrideKeySnippet()
diff --git a/Sources/StringGenerator/Snippets/StringsTableConversionStaticMethodSnippet.swift b/Sources/StringGenerator/Snippets/StringsTableConversionStaticMethodSnippet.swift
index bfe876d..ebe113a 100644
--- a/Sources/StringGenerator/Snippets/StringsTableConversionStaticMethodSnippet.swift
+++ b/Sources/StringGenerator/Snippets/StringsTableConversionStaticMethodSnippet.swift
@@ -4,12 +4,14 @@ import SwiftSyntaxBuilder
 struct StringsTableConversionStaticMethodSnippet {
     let stringsTable: SourceFile.StringExtension.StringsTableStruct
     let returnType: TokenSyntax
+    var availability: AvailabilityArgumentListSyntax?
 }
 
 extension StringsTableConversionStaticMethodSnippet: Snippet {
     var syntax: some DeclSyntaxProtocol {
         FunctionDeclSyntax(
             leadingTrivia: leadingTrivia,
+            attributes: attributes.map({ $0.with(\.trailingTrivia, .newline) }),
             modifiers: modifiers,
             name: name,
             signature: signature,
@@ -23,6 +25,13 @@ extension StringsTableConversionStaticMethodSnippet: Snippet {
         """)
     }
 
+    @AttributeListBuilder
+    var attributes: AttributeListSyntax {
+        if let availability {
+            AttributeSyntax(availability: availability)
+        }
+    }
+
     @DeclModifierListBuilder
     var modifiers: DeclModifierListSyntax {
         DeclModifierSyntax(name: stringsTable.accessLevel.token)
diff --git a/Sources/StringGenerator/Snippets/SwiftUI/LocalizedStringKeyInitializerSnippet.swift b/Sources/StringGenerator/Snippets/SwiftUI/LocalizedStringKeyInitializerSnippet.swift
index 39f925c..eebab88 100644
--- a/Sources/StringGenerator/Snippets/SwiftUI/LocalizedStringKeyInitializerSnippet.swift
+++ b/Sources/StringGenerator/Snippets/SwiftUI/LocalizedStringKeyInitializerSnippet.swift
@@ -13,6 +13,7 @@ extension LocalizedStringKeyInitializerSnippet: Snippet {
     var syntax: some DeclSyntaxProtocol {
         InitializerDeclSyntax(
             leadingTrivia: leadingTrivia,
+            attributes: attributes.map({ $0.with(\.trailingTrivia, .newline) }),
             modifiers: modifiers,
             signature: signature,
             body: body
@@ -25,6 +26,11 @@ extension LocalizedStringKeyInitializerSnippet: Snippet {
         """)
     }
 
+    @AttributeListBuilder
+    var attributes: AttributeListSyntax {
+        AttributeSyntax(availability: .wwdc2020)
+    }
+
     @DeclModifierListBuilder
     var modifiers: DeclModifierListSyntax {
         DeclModifierSyntax(name: stringsTable.accessLevel.token)
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.FormatSpecifiers.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.FormatSpecifiers.swift
index bc6beb7..b4aa2bf 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.FormatSpecifiers.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.FormatSpecifiers.swift
@@ -677,6 +677,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘FormatSpecifiers‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(formatSpecifiers: String.FormatSpecifiers) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -691,6 +692,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘FormatSpecifiers‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func formatSpecifiers(_ formatSpecifiers: String.FormatSpecifiers) -> LocalizedStringKey {
         LocalizedStringKey(formatSpecifiers: formatSpecifiers)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Localizable.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Localizable.swift
index e49b5a8..91251d6 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Localizable.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Localizable.swift
@@ -364,6 +364,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(localizable: String.Localizable) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -378,6 +379,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func localizable(_ localizable: String.Localizable) -> LocalizedStringKey {
         LocalizedStringKey(localizable: localizable)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Multiline.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Multiline.swift
index e3d2bc3..d3e4287 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Multiline.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Multiline.swift
@@ -285,6 +285,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Multiline‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(multiline: String.Multiline) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -299,6 +300,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Multiline‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func multiline(_ multiline: String.Multiline) -> LocalizedStringKey {
         LocalizedStringKey(multiline: multiline)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Positional.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Positional.swift
index 67a8dc6..8288ad0 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Positional.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Positional.swift
@@ -346,6 +346,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Positional‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(positional: String.Positional) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -360,6 +361,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Positional‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func positional(_ positional: String.Positional) -> LocalizedStringKey {
         LocalizedStringKey(positional: positional)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Simple.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Simple.swift
index 43a61dc..42d1b46 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Simple.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Simple.swift
@@ -275,6 +275,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Simple‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(simple: String.Simple) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -289,6 +290,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Simple‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func simple(_ simple: String.Simple) -> LocalizedStringKey {
         LocalizedStringKey(simple: simple)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Substitution.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Substitution.swift
index 0414884..918840d 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Substitution.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Substitution.swift
@@ -279,6 +279,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Substitution‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(substitution: String.Substitution) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -293,6 +294,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Substitution‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func substitution(_ substitution: String.Substitution) -> LocalizedStringKey {
         LocalizedStringKey(substitution: substitution)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Variations.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Variations.swift
index 62a7e17..b60b44d 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Variations.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerate.Variations.swift
@@ -305,6 +305,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Variations‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal init(variations: String.Variations) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -319,6 +320,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Variations‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     internal static func variations(_ variations: String.Variations) -> LocalizedStringKey {
         LocalizedStringKey(variations: variations)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPackageAccessLevel.Localizable.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPackageAccessLevel.Localizable.swift
index 26d70d1..a197dde 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPackageAccessLevel.Localizable.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPackageAccessLevel.Localizable.swift
@@ -364,6 +364,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     package init(localizable: String.Localizable) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -378,6 +379,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     package static func localizable(_ localizable: String.Localizable) -> LocalizedStringKey {
         LocalizedStringKey(localizable: localizable)
     }
diff --git a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPublicAccessLevel.Localizable.swift b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPublicAccessLevel.Localizable.swift
index 0c4d9af..29a1705 100644
--- a/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPublicAccessLevel.Localizable.swift
+++ b/Tests/XCStringsToolTests/__Snapshots__/GenerateTests/testGenerateWithPublicAccessLevel.Localizable.swift
@@ -364,6 +364,7 @@ extension Text {
 @available(macOS 10.5, iOS 13, tvOS 13, watchOS 6, *)
 extension LocalizedStringKey {
     /// Creates a localized string key that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     public init(localizable: String.Localizable) {
         var stringInterpolation = LocalizedStringKey.StringInterpolation(literalCapacity: 0, interpolationCount: 1)
 
@@ -378,6 +379,7 @@ extension LocalizedStringKey {
     }
 
     /// Creates a `LocalizedStringKey` that represents a localized value in the ‘Localizable‘ strings table.
+    @available(macOS 11, iOS 14, tvOS 14, watchOS 7, *)
     public static func localizable(_ localizable: String.Localizable) -> LocalizedStringKey {
         LocalizedStringKey(localizable: localizable)
     }