From 77ad38bf77a8760106cf2594c3fdb91bdb46d2b8 Mon Sep 17 00:00:00 2001
From: Yiyu Zhou <yiyuzhou19@gmail.com>
Date: Fri, 17 Oct 2025 13:19:41 -0700
Subject: [PATCH 1/2] fmt_12: init at 12.0.0

---
 pkgs/development/libraries/fmt/default.nix | 5 +++++
 pkgs/top-level/all-packages.nix            | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/fmt/default.nix b/pkgs/development/libraries/fmt/default.nix
index a88e41c95873..3caa55292a91 100644
--- a/pkgs/development/libraries/fmt/default.nix
+++ b/pkgs/development/libraries/fmt/default.nix
@@ -97,4 +97,9 @@ in
       })
     ];
   };
+
+  fmt_12 = generic {
+    version = "12.0.0";
+    hash = "sha256-AZDmIeU1HbadC+K0TIAGogvVnxt0oE9U6ocpawIgl6g=";
+  };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b82ab0671f01..89b3f11f481f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7251,7 +7251,12 @@ with pkgs;
   fltk = fltk13;
   fltk-minimal = fltk13-minimal;
 
-  inherit (callPackages ../development/libraries/fmt { }) fmt_9 fmt_10 fmt_11;
+  inherit (callPackages ../development/libraries/fmt { })
+    fmt_9
+    fmt_10
+    fmt_11
+    fmt_12
+    ;
 
   fmt = fmt_11;
 

From 505e531eb7742d93ebf42377205ccdb73e105311 Mon Sep 17 00:00:00 2001
From: Yiyu Zhou <yiyuzhou19@gmail.com>
Date: Fri, 17 Oct 2025 13:20:22 -0700
Subject: [PATCH 2/2] fmt: fmt_11 -> fmt_12

---
 pkgs/top-level/all-packages.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 89b3f11f481f..7a78ce54b5e2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7258,7 +7258,7 @@ with pkgs;
     fmt_12
     ;
 
-  fmt = fmt_11;
+  fmt = fmt_12;
 
   fplll = callPackage ../development/libraries/fplll { };
   fplll_20160331 = callPackage ../development/libraries/fplll/20160331.nix { };