From f8b613f4b08d7b270d006bf63969fcb229416bc5 Mon Sep 17 00:00:00 2001
From: Stuart Montgomery <smontgomery@apple.com>
Date: Wed, 10 Dec 2025 11:11:27 -0600
Subject: [PATCH] Replace -require-explicit-sendable with 'ExplicitSendable'
 warning diagnostic group

---
 Package.swift | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Package.swift b/Package.swift
index a82241527..fcac26bca 100644
--- a/Package.swift
+++ b/Package.swift
@@ -369,9 +369,7 @@ extension Array where Element == PackageDescription.SwiftSetting {
   static var packageSettings: Self {
     var result = availabilityMacroSettings
 
-    if buildingForDevelopment {
-      result.append(.unsafeFlags(["-require-explicit-sendable"]))
-    }
+    result.append(.treatWarning("ExplicitSendable", as: .warning))
 
     if buildingForEmbedded {
       result.append(.enableExperimentalFeature("Embedded"))