diff --git a/hub/CHANGELOG.md b/hub/CHANGELOG.md
index 3b89bab..6e093f8 100644
--- a/hub/CHANGELOG.md
+++ b/hub/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Felhom Hub — Changelog
 
+## v0.3.3 (2026-02-20)
+
+**Bugfixes**
+
+- Fix double "v" prefix in controller version display (showed "vv0.21.1" instead of "v0.21.1").
+- Skip deprecated `monitoring.ping_uuids.*` keys in config diff comparison (added to volatile keys).
+
 ## v0.3.2 (2026-02-20)
 
 **Hub Version Display**
diff --git a/hub/README.md b/hub/README.md
index b722439..bed5493 100644
--- a/hub/README.md
+++ b/hub/README.md
@@ -4,7 +4,7 @@
 
 A lightweight Go service that receives periodic reports and structured events from felhom-controller instances, stores them in SQLite, and provides a web dashboard for fleet monitoring. Also serves as the infrastructure backup store for disaster recovery, event-based dead man's switch monitoring, and notification dispatch.
 
-**Current version: v0.3.2**
+**Current version: v0.3.3**
 
 ---
 
diff --git a/hub/internal/web/configs.go b/hub/internal/web/configs.go
index a78496c..04edadf 100644
--- a/hub/internal/web/configs.go
+++ b/hub/internal/web/configs.go
@@ -738,9 +738,14 @@ func extractControllerYAML(infraData []byte) string {
 	return string(data)
 }
 
-// volatileKeys are YAML keys ignored during config comparison (always differ).
+// volatileKeys are YAML keys ignored during config comparison (always differ or deprecated).
 var volatileKeys = map[string]bool{
-	"web.session_secret": true,
+	"web.session_secret":                    true,
+	"monitoring.ping_uuids.heartbeat":       true,
+	"monitoring.ping_uuids.system_health":   true,
+	"monitoring.ping_uuids.db_dump":         true,
+	"monitoring.ping_uuids.backup":          true,
+	"monitoring.ping_uuids.backup_integrity": true,
 }
 
 // sensitiveKeyParts are substrings that indicate a value should be masked in diff output.
diff --git a/hub/internal/web/templates/customer.html b/hub/internal/web/templates/customer.html
index 7a5ad4d..caf4da1 100644
--- a/hub/internal/web/templates/customer.html
+++ b/hub/internal/web/templates/customer.html
@@ -19,7 +19,7 @@
                 <span class="status-dot" style="color: {{statusColor .OverallStatus}}">{{statusIcon .OverallStatus}}</span>
                 {{.Customer.CustomerName}}
             </h1>
-            <p class="subtitle">Last report: {{timeAgo .Customer.ReceivedAt}} &middot; Controller v{{.Customer.ControllerVersion}}</p>
+            <p class="subtitle">Last report: {{timeAgo .Customer.ReceivedAt}} &middot; Controller {{.Customer.ControllerVersion}}</p>
         </header>
 
         <!-- System Info -->
@@ -193,7 +193,7 @@
             <div class="info-grid">
                 <div class="info-item">
                     <span class="label">Current version</span>
-                    <span class="value">v{{.Customer.ControllerVersion}}</span>
+                    <span class="value">{{.Customer.ControllerVersion}}</span>
                 </div>
                 {{if .LatestVersion}}
                 <div class="info-item">
diff --git a/hub/internal/web/templates/customer_unified.html b/hub/internal/web/templates/customer_unified.html
index 3b74664..386a343 100644
--- a/hub/internal/web/templates/customer_unified.html
+++ b/hub/internal/web/templates/customer_unified.html
@@ -20,7 +20,7 @@
                 {{if .CustomerName}}{{.CustomerName}}{{else}}{{.CustomerID}}{{end}}
             </h1>
             {{if .HasReports}}
-            <p class="subtitle">Last report: {{timeAgo .Customer.ReceivedAt}} &middot; Controller v{{.Customer.ControllerVersion}}</p>
+            <p class="subtitle">Last report: {{timeAgo .Customer.ReceivedAt}} &middot; Controller {{.Customer.ControllerVersion}}</p>
             {{else}}
             <p class="subtitle">No reports received yet</p>
             {{end}}
@@ -348,7 +348,7 @@
             <div class="info-grid">
                 <div class="info-item">
                     <span class="label">Current version</span>
-                    <span class="value">v{{.Customer.ControllerVersion}}</span>
+                    <span class="value">{{.Customer.ControllerVersion}}</span>
                 </div>
                 {{if .LatestVersion}}
                 <div class="info-item">
diff --git a/manifests/hub.yaml b/manifests/hub.yaml
index 2af3961..baf5f8f 100644
--- a/manifests/hub.yaml
+++ b/manifests/hub.yaml
@@ -117,7 +117,7 @@ spec:
     spec:
       containers:
         - name: hub
-          image: gitea.dooplex.hu/admin/felhom-hub:v0.3.2
+          image: gitea.dooplex.hu/admin/felhom-hub:v0.3.3
           ports:
             - containerPort: 8080
               name: http