Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: fizz 2025.10.13.00 -> 2026.01.05.00 https://github.com/facebookincubator/fizz/releases
attrpath: fizz
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/j9a4fdz67mlcga8ijhw4i7p3d6bj7dgh-packages.json.drv
building '/nix/store/j9a4fdz67mlcga8ijhw4i7p3d6bj7dgh-packages.json.drv'...

Going to be running update for following packages:
 - fizz-2025.10.13.00

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - fizz-2025.10.13.00: UPDATING ...
 - fizz-2025.10.13.00: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fi/fizz/package.nix b/pkgs/by-name/fi/fizz/package.nix
index 47871e1eb4bf..e9bc61e2eb9c 100644
--- a/pkgs/by-name/fi/fizz/package.nix
+++ b/pkgs/by-name/fi/fizz/package.nix
@@ -26,7 +26,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "fizz";
-  version = "2025.10.13.00";
+  version = "2026.01.05.00";
 
   outputs = [
     "bin"
@@ -38,7 +38,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "facebookincubator";
     repo = "fizz";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-MNkPf289QGZ1x6Yr2E8vnlCFan94Opjiw6RItodWGaw=";
+    hash = "sha256-6VBDks/DcH0ea81ss+kKpWB6E2RBS2AD53FhnB5xlvM=";
   };
 
   patches = [

An auto update branch exists with message `fizz: 2025.10.13.00 -> 2025.12.22.00`. New version is 2026.01.05.00.
The auto update branch does not match or exceed the new version.
There might already be an open PR for this update:
- folly: 2025.10.13.00 -> 2026.01.05.00
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/477363"