mpfr 4.2.0 -> 4.2.1 https://repology.org/project/mpfr/versions
attrpath: mpfr
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
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/i5ndz388lh6mivxxy9akqv83fs11mdrz-update-mpfr.drv
  /nix/store/9apzmh70fviifn2yp9rzxq3zqyr605d2-packages.json.drv
building '/nix/store/i5ndz388lh6mivxxy9akqv83fs11mdrz-update-mpfr.drv'...
building '/nix/store/9apzmh70fviifn2yp9rzxq3zqyr605d2-packages.json.drv'...

Going to be running update for following packages:
 - mpfr-4.2.0

Press Enter key to continue...
Running update for:
 - mpfr-4.2.0: UPDATING ...
 - mpfr-4.2.0: DONE.

Packages updated!


[quotedUrls]
[quotedUrls] nothing found to replace
Diff after rewrites:
diff --git a/pkgs/development/libraries/mpfr/default.nix b/pkgs/development/libraries/mpfr/default.nix
index cf5035948cb5..dec33a63d155 100644
--- a/pkgs/development/libraries/mpfr/default.nix
+++ b/pkgs/development/libraries/mpfr/default.nix
@@ -11,7 +11,7 @@
 # files.
 
 stdenv.mkDerivation rec {
-  version = "4.2.0";
+  version = "4.2.1";
   pname = "mpfr";
 
   src = fetchurl {
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       "https://www.mpfr.org/${pname}-${version}/${pname}-${version}.tar.xz"
       "mirror://gnu/mpfr/${pname}-${version}.tar.xz"
     ];
-    hash = "sha256-BqN43xNQEkjBsttaqXeiyBJq6Emp2be+JUb7Spwm2ZM=";
+    hash = "sha256-J3gHNTpnJpeJlpRa8T5Sgp46vXqaW3+yeTiU4Y8fy7I=";
   };
 
   outputs = [ "out" "dev" "doc" "info" ];

No auto update branch exists
There might already be an open PR for this update:
- mpfr: 4.2.0 -> 4.2.0-12
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/247182"