circt 0 -> 1
attrpath: circt
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[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/c2rmbp6y5355kw5a4nb79h7293ylcdqw-packages.json.drv
building '/nix/store/c2rmbp6y5355kw5a4nb79h7293ylcdqw-packages.json.drv'...

Going to be running update for following packages:
 - circt-1.66.0

Press Enter key to continue...
Running update for:
 - circt-1.66.0: UPDATING ...
 - circt-1.66.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/compilers/circt/default.nix b/pkgs/development/compilers/circt/default.nix
index 6d4a0356482a..08275fc54c39 100644
--- a/pkgs/development/compilers/circt/default.nix
+++ b/pkgs/development/compilers/circt/default.nix
@@ -17,12 +17,12 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "circt";
-  version = "1.66.0";
+  version = "1.67.0";
   src = fetchFromGitHub {
     owner = "llvm";
     repo = "circt";
     rev = "firtool-${version}";
-    sha256 = "sha256-7O2YUZq0GBS2xvsXg0v55XZXAzqsbHjeKNgqMbNRT8E=";
+    sha256 = "sha256-ftKtqKIgGVqiETTsirhydjmFiozqHoMRdu+IBZc8iMI=";
     fetchSubmodules = true;
   };
 

No auto update branch exists
There might already be an open PR for this update:
- circt: 1.66.0 -> 1.67.0
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/293059"