diff --git a/devapp/release.go b/devapp/release.go
index 59d819ea..53eef929 100644
--- a/devapp/release.go
+++ b/devapp/release.go
@@ -84,6 +84,13 @@ type item struct {
 	CLs   []*gerritCL
 }
 
+func (i *item) ReleaseBlocker() bool {
+	if i.Issue == nil {
+		return false
+	}
+	return i.Issue.HasLabel("release-blocker")
+}
+
 type itemsBySummary []item
 
 func (x itemsBySummary) Len() int           { return len(x) }
diff --git a/devapp/templates/release.tmpl b/devapp/templates/release.tmpl
index ec373ffb..02f330b2 100644
--- a/devapp/templates/release.tmpl
+++ b/devapp/templates/release.tmpl
@@ -34,6 +34,10 @@ a:visited {
 .Item {
   display: flex;
 }
+.Item-blocker:before {
+  content: '★';
+  position: absolute;
+}
 .Item-num {
   margin-left: 4ch;
   min-width: 12ch;
@@ -60,7 +64,7 @@ a:visited {
       {{range .Items}}
         {{$i := .Issue}}
         {{if $i}}
-          <div class="Item">
+          <div class="Item{{if .ReleaseBlocker}} Item-blocker{{end}}">
             <a class="Item-num" href="https://golang.org/issue/{{.Issue.Number}}" target="_blank">#{{.Issue.Number}}</a>
             <span class="Item-title">{{.Issue.Title}}</span>
           </div>