Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: blender 0 -> 1
attrpath: blender
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[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/1a3zkb10hxc07x4nx1p50bp1skwp4n3f-packages.json.drv
building '/nix/store/1a3zkb10hxc07x4nx1p50bp1skwp4n3f-packages.json.drv'...

Going to be running update for following packages:
 - blender-5.1.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - blender-5.1.1: UPDATING ...
 - blender-5.1.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/bl/blender/package.nix b/pkgs/by-name/bl/blender/package.nix
index 6a4ca6da065e..76cfa474d904 100644
--- a/pkgs/by-name/bl/blender/package.nix
+++ b/pkgs/by-name/bl/blender/package.nix
@@ -118,12 +118,12 @@ in
 
 stdenv'.mkDerivation (finalAttrs: {
   pname = "blender";
-  version = "5.1.1";
+  version = "4.5.9";
 
   src = fetchzip {
     name = "source";
     url = "https://download.blender.org/source/blender-${finalAttrs.version}.tar.xz";
-    hash = "sha256-iJolR8iS2go0doO96ibyseCeMunFL+XPoQ25NbX6oOA=";
+    hash = "sha256-CcVlhHoMG7Unw6zlgVrEPIsMl+gGKW+cvUf/1VanUfY=";
   };
 
   patches = [

No auto update branch exists
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A blender
nix build failed.
got build log for 'blender' from 'daemon'
Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/0xqj6c9gz222dh82h8djw7fdnkk0pvr2-source
source root is source
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
applying patch /nix/store/xki3pl6dg44qf9lj2qi1dka4zdxivqkc-eigen-3-compat.patch
patching file intern/dualcon/intern/octree.cpp
Hunk #1 FAILED at 2183.
1 out of 1 hunk FAILED -- saving rejects to file intern/dualcon/intern/octree.cpp.rej
patching file intern/libmv/libmv/multiview/euclidean_resection.cc
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
3 out of 3 hunks ignored -- saving rejects to file intern/libmv/libmv/multiview/euclidean_resection.cc.rej
patching file intern/libmv/libmv/tracking/track_region.cc
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
1 out of 1 hunk ignored -- saving rejects to file intern/libmv/libmv/tracking/track_region.cc.rej