newsflash 0 -> 1
attrpath: newsflash
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/rkg55grgbi4ar6kvlflhzcd8410ba70b-packages.json.drv
building '/nix/store/rkg55grgbi4ar6kvlflhzcd8410ba70b-packages.json.drv'...

Going to be running update for following packages:
 - newsflash-3.1.6

Press Enter key to continue...
Running update for:
 - newsflash-3.1.6: UPDATING ...
 - newsflash-3.1.6: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/feedreaders/newsflash/default.nix b/pkgs/applications/networking/feedreaders/newsflash/default.nix
index e6bc4c841c17..5bfbe31e73db 100644
--- a/pkgs/applications/networking/feedreaders/newsflash/default.nix
+++ b/pkgs/applications/networking/feedreaders/newsflash/default.nix
@@ -25,13 +25,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "newsflash";
-  version = "3.1.6";
+  version = "3.2.0";
 
   src = fetchFromGitLab {
     owner = "news-flash";
     repo = "news_flash_gtk";
     rev = "refs/tags/v.${finalAttrs.version}";
-    hash = "sha256-zEf61aKtiuTCmhzkfVkTLtIRCb4DVXVtI+9Az9dU9HE=";
+    hash = "sha256-buXFQ/QAFOcdcywlacySuq8arqPEJIti1nK+yl3yWck=";
   };
 
   cargoDeps = rustPlatform.importCargoLock {

No auto update branch exists
There might already be an open PR for this update:
- newsflash: 3.1.6 -> 3.2.0
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/299291"