From 041da8cd789202a4ba02c5e02416bd91b4c31c81 Mon Sep 17 00:00:00 2001
From: sempiternal-aurora
 <78790545+sempiternal-aurora@users.noreply.github.com>
Date: Thu, 17 Sep 2026 00:03:09 +0200
Subject: [PATCH] apple-sdk_27: init at 27.0

---
 doc/stdenv/platform-notes.chapter.md             | 3 ++-
 pkgs/by-name/ap/apple-sdk/metadata/versions.json | 8 ++++++++
 pkgs/top-level/all-packages.nix                  | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/doc/stdenv/platform-notes.chapter.md b/doc/stdenv/platform-notes.chapter.md
index fac864ad210b..7b18ef044745 100644
--- a/doc/stdenv/platform-notes.chapter.md
+++ b/doc/stdenv/platform-notes.chapter.md
@@ -121,7 +121,8 @@ Generally, only the last SDK release for a major version is packaged.
 |---------------|-------------|------------------------------|
 | 15.0–15.4     | 14.4        | `apple-sdk_14` / `apple-sdk` |
 | 16.0          | 15.0        | `apple-sdk_15`               |
-| 26.0+         | 26.0+       | `apple-sdk_26`, etc          |
+| 26.0          | 26.0        | `apple-sdk_26`               |
+| 27.0+         | 27.0+       | `apple-sdk_27`, etc          |
 
 
 #### Darwin Default SDK versions {#sec-darwin-troubleshooting-darwin-defaults}
diff --git a/pkgs/by-name/ap/apple-sdk/metadata/versions.json b/pkgs/by-name/ap/apple-sdk/metadata/versions.json
index d655c7ebada9..d589cc6940cf 100644
--- a/pkgs/by-name/ap/apple-sdk/metadata/versions.json
+++ b/pkgs/by-name/ap/apple-sdk/metadata/versions.json
@@ -22,5 +22,13 @@
     ],
     "version": "26.5",
     "hash": "sha256-IkDNtiO7PP4GI6OszCNWE1Xb4iepCUKwQHYUyc9NgNA="
+  },
+  "27": {
+    "urls": [
+      "https://swcdn.apple.com/content/downloads/58/48/082-83364-A_KCEBOO2NJS/0d2rj4y5ucjlkgcvqt6f6a4pergug5tu2b/CLTools_macOSNMOS_SDK.pkg",
+      "https://web.archive.org/web/20260910221111/https://swcdn.apple.com/content/downloads/58/48/082-83364-A_KCEBOO2NJS/0d2rj4y5ucjlkgcvqt6f6a4pergug5tu2b/CLTools_macOSNMOS_SDK.pkg"
+    ],
+    "version": "27.0",
+    "hash": "sha256-qTDE8wu3pfk21WtgboKHYH/MiJnC8gKpDeMyrRJZaP8="
   }
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index df927440ac02..c98ea37d5d42 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6774,6 +6774,7 @@ with pkgs;
   apple-sdk_14 = apple-sdk.override { darwinSdkMajorVersion = "14"; };
   apple-sdk_15 = apple-sdk.override { darwinSdkMajorVersion = "15"; };
   apple-sdk_26 = apple-sdk.override { darwinSdkMajorVersion = "26"; };
+  apple-sdk_27 = apple-sdk.override { darwinSdkMajorVersion = "27"; };
 
   darwinMinVersionHook =
     deploymentTarget: