Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: fastmail-desktop 0 -> 1
attrpath: fastmail-desktop
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] 
Going to be running update for following packages:
 - fastmail-desktop-1.2.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - fastmail-desktop-1.2.1: UPDATING ...
 - fastmail-desktop-1.2.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fa/fastmail-desktop/sources.nix b/pkgs/by-name/fa/fastmail-desktop/sources.nix
index 374f140afcaf..0565cd5f4a33 100644
--- a/pkgs/by-name/fa/fastmail-desktop/sources.nix
+++ b/pkgs/by-name/fa/fastmail-desktop/sources.nix
@@ -1,5 +1,5 @@
 # Generated by ./update.sh - do not update manually!
-# Last updated: 2026-03-23
+# Last updated: 2026-05-10
 { fetchurl, fetchzip }:
 {
   aarch64-darwin = {

Package version did not change.