Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: dart-source 0 -> 1
attrpath: dart-source
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/p1ssi7vfxcjbprxk7pgyd69b5hlfkglz-update-dart.drv
  /nix/store/lwlpcv8baisrw6syq88dkg3w0dyc2dbv-packages.json.drv
building '/nix/store/p1ssi7vfxcjbprxk7pgyd69b5hlfkglz-update-dart.drv'...
building '/nix/store/lwlpcv8baisrw6syq88dkg3w0dyc2dbv-packages.json.drv'...

Going to be running update for following packages:
 - dart-3.11.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - dart-3.11.0: UPDATING ...
 - dart-3.11.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/compilers/dart/source/default.nix b/pkgs/development/compilers/dart/source/default.nix
index 446229e0c523..36385fe0f5eb 100644
--- a/pkgs/development/compilers/dart/source/default.nix
+++ b/pkgs/development/compilers/dart/source/default.nix
@@ -28,7 +28,7 @@
 }:
 
 let
-  version = "3.11.0";
+  version = "3.11.1";
 
   tools = callPackage ../../flutter/engine/tools.nix { inherit (stdenv) hostPlatform buildPlatform; };
 
@@ -80,7 +80,7 @@ let
 
         outputHashAlgo = "sha256";
         outputHashMode = "recursive";
-        outputHash = "sha256-7y6kNpjWpc8+4Rhv+GuMnV5xHCQ5om2/3woZOJ8wYSc=";
+        outputHash = "sha256-kt9vhg9MmBa1Ag0ctx4+osgAyh3N7BVfEKT5PTw6460=";
       }
       ''
         mkdir source

No auto update branch exists
There might already be an open PR for this update:
- dart: 3.11.0 -> 3.11.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/494223"