Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: fb303 0 -> 1
attrpath: fb303
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] this derivation will be built:
  /nix/store/j4ldjqax73y7pi0chd0wpa0a8aq1r5n7-packages.json.drv
building '/nix/store/j4ldjqax73y7pi0chd0wpa0a8aq1r5n7-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - fb303-2026.07.27.00

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - fb303-2026.07.27.00: UPDATING ...
 - fb303-2026.07.27.00: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fb/fb303/package.nix b/pkgs/by-name/fb/fb303/package.nix
index 4d390d8fee6b..ee6f75523392 100644
--- a/pkgs/by-name/fb/fb303/package.nix
+++ b/pkgs/by-name/fb/fb303/package.nix
@@ -19,7 +19,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "fb303";
-  version = "2026.07.27.00";
+  version = "2026.09.28.00";
 
   outputs = [
     "out"
@@ -30,7 +30,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "facebook";
     repo = "fb303";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-euqoTxNizn4cA9UY/U6X6m2bV1owEuqEQIDEiDM9n5w=";
+    hash = "sha256-tDiIILZdBUNtrgPqprOP+RO5j8O98MnpaL46SWkQQLM=";
   };
 
   nativeBuildInputs = [

An auto update branch exists with message `fb303: 2026.07.27.00 -> 2026.08.31.00`. New version is 2026.09.28.00.
The auto update branch does not match or exceed the new version.
There might already be an open PR for this update:
- fizz: 2026.07.27.00 -> 2026.09.28.00
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/554799"