site 1.5.1 (local): builder with keynotation 1.2.1 (UTILITY crash fix)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tools/changelog.json

@@ -1,6 +1,13 @@
 {
   "_about": "The site's changelog, newest first. Versions follow Semantic Versioning (MAJOR.MINOR.PATCH), dates ISO 8601 (DIN EN 28601). make_builder_data.py adds every mod's current version from its module and writes assets/versions.js.",
   "site": [
+    {
+      "version": "1.5.1",
+      "date": "2026-10-20",
+      "changes": [
+        "Builder: keynotation 1.2.1 (a crash fix in UTILITY)."
+      ]
+    },
     {
       "version": "1.5.0",
       "date": "2026-10-20",
@@ -152,6 +159,13 @@
       }
     ],
     "keynotation": [
+      {
+        "version": "1.2.1",
+        "date": "2026-10-20",
+        "changes": [
+          "UTILITY no longer writes outside the screen's row when KEY NOTATION is shown before its saved setting was read (a crash risk right after switching on)."
+        ]
+      },
       {
         "version": "1.2.0",
         "date": "2026-10-20",