diff --git a/Sources/FoundationEssentials/Data/Data.swift b/Sources/FoundationEssentials/Data/Data.swift
index acec7242d..462d03b3c 100644
--- a/Sources/FoundationEssentials/Data/Data.swift
+++ b/Sources/FoundationEssentials/Data/Data.swift
@@ -1165,6 +1165,12 @@ public struct Data : Equatable, Hashable, RandomAccessCollection, MutableCollect
             self.storage = storage
             self.slice = RangeReference(0..<count)
         }
+        
+        // Not exposed as ABI and only usable by internal, non-inlined code and therefore not @inlinable
+        init(_ storage: __DataStorage, range: Range<Int>) {
+            self.storage = storage
+            self.slice = RangeReference(range)
+        }
 
         @inlinable // This is @inlinable as trivially computable (and inlining may help avoid retain-release traffic).
         mutating func ensureUniqueReference() {
diff --git a/Sources/FoundationInternationalization/Formatting/Number/NumberFormatStyleConfiguration.swift b/Sources/FoundationInternationalization/Formatting/Number/NumberFormatStyleConfiguration.swift
index 139ecf63f..6648d0f92 100644
--- a/Sources/FoundationInternationalization/Formatting/Number/NumberFormatStyleConfiguration.swift
+++ b/Sources/FoundationInternationalization/Formatting/Number/NumberFormatStyleConfiguration.swift
@@ -502,7 +502,7 @@ extension FloatingPointRoundingRule {
 }
 
 @available(macOS 12.0, iOS 15.0, tvOS 15.0, watchOS 8.0, *)
-extension FloatingPointRoundingRule : Codable { }
+extension FloatingPointRoundingRule: @retroactive Codable { }
 
 @available(macOS 12.0, iOS 15.0, tvOS 15.0, watchOS 8.0, *)
 extension NumberFormatStyleConfiguration.RoundingIncrement: Codable {