diff --git a/docs/release-control/v6/internal/subsystems/deployment-installability.md b/docs/release-control/v6/internal/subsystems/deployment-installability.md
index e03b95113..c1371adf8 100644
--- a/docs/release-control/v6/internal/subsystems/deployment-installability.md
+++ b/docs/release-control/v6/internal/subsystems/deployment-installability.md
@@ -1400,6 +1400,8 @@ patch uses the integrated exact-SHA candidate and definitive release verdict
 because the release range repairs active customer
 harm in agent download preflight, Agent Doctor credential recovery, strict
 subscription-provider tool schemas, and fresh Pro activation discovery. The
+same cut includes the frontend-primitives-owned update verdict age from #1601,
+so a cached "Up to date" result identifies when its backing check ran. The
 installer/updater risk boundary requires the explicit patch hotfix reason even
 though the workflow performs the normal immutable-candidate checks before its
 publication boundary. Windows executables must be Authenticode-signed through
diff --git a/docs/releases/RELEASE_NOTES_v6.2.1.md b/docs/releases/RELEASE_NOTES_v6.2.1.md
index df445c00f..5b6e884ed 100644
--- a/docs/releases/RELEASE_NOTES_v6.2.1.md
+++ b/docs/releases/RELEASE_NOTES_v6.2.1.md
@@ -26,6 +26,9 @@ discoverable on fresh Pulse Pro installs.
   expected commercial navigation after activation.
 - Demo state converges after successful activation instead of retaining stale
   pre-activation presentation.
+- The server updates panel labels cached "Up to date" verdicts with the age of
+  the check behind them, so a cached result no longer reads as a live comparison
+  (#1601).
 
 ## Upgrade Notes
 
diff --git a/docs/releases/V6_CHANGELOG_v6.2.1.md b/docs/releases/V6_CHANGELOG_v6.2.1.md
index c02aa8b0c..61146a644 100644
--- a/docs/releases/V6_CHANGELOG_v6.2.1.md
+++ b/docs/releases/V6_CHANGELOG_v6.2.1.md
@@ -8,6 +8,8 @@ _This changelog describes stable `v6.2.1` compared with stable `v6.2.0`._
   before a license is activated, while demo and white-label suppression remains
   authoritative.
 - Fresh Pro setup points operators directly to license activation.
+- The server updates panel shows the age of the check behind cached "Up to date"
+  verdicts (#1601).
 
 ## Fixed
 
diff --git a/scripts/release_control/render_release_body_test.py b/scripts/release_control/render_release_body_test.py
index 895b7df64..b29d2e680 100644
--- a/scripts/release_control/render_release_body_test.py
+++ b/scripts/release_control/render_release_body_test.py
@@ -189,6 +189,20 @@ class RenderReleaseBodyTest(unittest.TestCase):
 
         render_release_body.validate_release_notes_shape(notes, "6.2.1")
 
+    def test_v621_packet_documents_cached_update_verdict_age(self) -> None:
+        release_notes = (
+            _REPO_ROOT / "docs/releases/RELEASE_NOTES_v6.2.1.md"
+        ).read_text(encoding="utf-8")
+        changelog = (
+            _REPO_ROOT / "docs/releases/V6_CHANGELOG_v6.2.1.md"
+        ).read_text(encoding="utf-8")
+
+        render_release_body.validate_release_notes_shape(release_notes, "6.2.1")
+        self.assertIn('cached "Up to date" verdicts', release_notes)
+        self.assertIn('cached "Up to date"', changelog)
+        self.assertIn("#1601", release_notes)
+        self.assertIn("#1601", changelog)
+
     def test_sanitize_release_notes_strips_draft_markers_duplicate_sections_and_draft_links(self) -> None:
         raw = """# Pulse v6.0.0-rc.2 Draft Release Notes