Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: discord 0 -> 1
attrpath: discord
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] this derivation will be built:
  /nix/store/7lrfwg5wi8cq9j44ax835611gh8mnlk8-packages.json.drv
building '/nix/store/7lrfwg5wi8cq9j44ax835611gh8mnlk8-packages.json.drv'...

Going to be running update for following packages:
 - discord-0.0.121

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - discord-0.0.121: UPDATING ...
 - discord-0.0.121: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/instant-messengers/discord/sources.json b/pkgs/applications/networking/instant-messengers/discord/sources.json
index 13ce48003d48..9101950fe8f1 100644
--- a/pkgs/applications/networking/instant-messengers/discord/sources.json
+++ b/pkgs/applications/networking/instant-messengers/discord/sources.json
@@ -1,8 +1,8 @@
 {
   "linux-canary": {
-    "hash": "sha256-HtcgQS8P5R57qV3pKYyVLcT9FCOtZ6UbFBQWFkvU8B0=",
-    "url": "https://canary.dl2.discordapp.net/apps/linux/0.0.854/discord-canary-0.0.854.tar.gz",
-    "version": "0.0.854"
+    "hash": "sha256-mHeVLYXtLBODBj8tILCrk9gO5Q5SLK4B8fw3wHGVgYo=",
+    "url": "https://canary.dl2.discordapp.net/apps/linux/0.0.855/discord-canary-0.0.855.tar.gz",
+    "version": "0.0.855"
   },
   "linux-development": {
     "hash": "sha256-EVkjWoqWl9Z+iHCLPOLu4PIUb2wC3HVcPVjOVz++IVw=",
@@ -10,9 +10,9 @@
     "version": "0.0.94"
   },
   "linux-ptb": {
-    "hash": "sha256-Y+e3HHXE5D9Q9qKE7ipaLijZ+E6yEr9NzEOy5c+Gk54=",
-    "url": "https://ptb.dl2.discordapp.net/apps/linux/0.0.173/discord-ptb-0.0.173.tar.gz",
-    "version": "0.0.173"
+    "hash": "sha256-Uam79JqoCsUgpKGfxAkhAG/ZVnoH2T0ebR6NhwGunwI=",
+    "url": "https://ptb.dl2.discordapp.net/apps/linux/0.0.174/discord-ptb-0.0.174.tar.gz",
+    "version": "0.0.174"
   },
   "linux-stable": {
     "hash": "sha256-WR9xyw3Zn/HAZQlfiKMAXqc2TueF6wCfQzvYtnXd1yM=",
@@ -20,9 +20,9 @@
     "version": "0.0.121"
   },
   "osx-canary": {
-    "hash": "sha256-q/PAGdlOTdkQudiH/NFXSgwhz2XBL9ZwrhJXiY9Iibc=",
-    "url": "https://canary.dl2.discordapp.net/apps/osx/0.0.958/DiscordCanary.dmg",
-    "version": "0.0.958"
+    "hash": "sha256-ElBOFWraf1frHB1bQlX0PHPusEx9vTAiNxeM1WgX0YY=",
+    "url": "https://canary.dl2.discordapp.net/apps/osx/0.0.959/DiscordCanary.dmg",
+    "version": "0.0.959"
   },
   "osx-development": {
     "hash": "sha256-B1//zMlTv2+RWHfWZSaaU8ubVOwWob+EYjNdtFRwlgg=",
@@ -30,9 +30,9 @@
     "version": "0.0.107"
   },
   "osx-ptb": {
-    "hash": "sha256-QCzJsb1RH6HORk9hw9F9Xu0rE+NCFYJDTJQO9UrdBxo=",
-    "url": "https://ptb.dl2.discordapp.net/apps/osx/0.0.205/DiscordPTB.dmg",
-    "version": "0.0.205"
+    "hash": "sha256-wdYL+lPNhv0PhPn5B63coCi6COl8vmGipiljuCGoibA=",
+    "url": "https://ptb.dl2.discordapp.net/apps/osx/0.0.206/DiscordPTB.dmg",
+    "version": "0.0.206"
   },
   "osx-stable": {
     "hash": "sha256-/CEN67VbRRwK64Iy7GIhs2XFwHe47njI5X6n45j5Q/E=",

Package version did not change.