qemu 0 -> 1
attrpath: qemu
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/ddr8fh6j6kkxfww5ac08k256viy7mhwh-packages.json.drv
building '/nix/store/ddr8fh6j6kkxfww5ac08k256viy7mhwh-packages.json.drv'...

Going to be running update for following packages:
 - qemu-8.2.2

Press Enter key to continue...
Running update for:
 - qemu-8.2.2: UPDATING ...
 - qemu-8.2.2: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/virtualization/qemu/default.nix b/pkgs/applications/virtualization/qemu/default.nix
index e7da99d561f6..55715a58582e 100644
--- a/pkgs/applications/virtualization/qemu/default.nix
+++ b/pkgs/applications/virtualization/qemu/default.nix
@@ -55,11 +55,11 @@ stdenv.mkDerivation (finalAttrs: {
     + lib.optionalString hostCpuOnly "-host-cpu-only"
     + lib.optionalString nixosTestRunner "-for-vm-tests"
     + lib.optionalString toolsOnly "-utils";
-  version = "8.2.2";
+  version = "9.0.0";
 
   src = fetchurl {
     url = "https://download.qemu.org/qemu-${finalAttrs.version}.tar.xz";
-    hash = "sha256-hHNGwbgsGlSyw49u29hVSe3rF0MLfU09oSYg4pYrxPM=";
+    hash = "sha256-MnCKxmww2MiSYz6paMdxwcdtWX1w3erSGg0izPOG2mk=";
   };
 
   depsBuildBuild = [ buildPackages.stdenv.cc ]

No auto update branch exists
There might already be an open PR for this update:
- qemu: 8.2.2 -> 9.0.0-rc3
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/298097"