diff --git a/ui/src/components/IssueProperties.test.tsx b/ui/src/components/IssueProperties.test.tsx
index 92f76d8304f..1dd29d1af58 100644
--- a/ui/src/components/IssueProperties.test.tsx
+++ b/ui/src/components/IssueProperties.test.tsx
@@ -416,19 +416,122 @@ describe("IssueProperties", () => {
     act(() => root.unmount());
   });
 
-  it("shows referenced task ids when the issue points at other tasks", async () => {
+  it("shows related task references below sub-issues", async () => {
     const root = renderProperties(container, {
       issue: createIssue({
-        referencedIssueIdentifiers: ["PAP-22", "PAP-44"],
+        relatedWork: {
+          outbound: [
+            {
+              issue: {
+                id: "issue-22",
+                identifier: "PAP-22",
+                title: "Related task",
+                status: "todo",
+                priority: "medium",
+                assigneeAgentId: null,
+                assigneeUserId: null,
+              },
+              mentionCount: 1,
+              sources: [{ kind: "description", sourceRecordId: null, label: "description", matchedText: "PAP-22" }],
+            },
+          ],
+          inbound: [],
+        },
       }),
       childIssues: [],
       onUpdate: vi.fn(),
     });
     await flush();
 
-    expect(container.textContent).toContain("Task ids");
+    expect(container.textContent).not.toContain("Task ids");
+    expect(container.textContent).toContain("Related Tasks");
     expect(container.textContent).toContain("PAP-22");
-    expect(container.textContent).toContain("PAP-44");
+
+    act(() => root.unmount());
+  });
+
+  it("hides related task references already covered by blockers, blocking, and sub-issues", async () => {
+    const root = renderProperties(container, {
+      issue: createIssue({
+        blockedBy: [
+          {
+            id: "issue-22",
+            identifier: "PAP-22",
+            title: "Blocker",
+            status: "todo",
+            priority: "medium",
+            assigneeAgentId: null,
+            assigneeUserId: null,
+          },
+        ],
+        blocks: [
+          {
+            id: "issue-33",
+            identifier: "PAP-33",
+            title: "Blocked issue",
+            status: "todo",
+            priority: "medium",
+            assigneeAgentId: null,
+            assigneeUserId: null,
+          },
+        ],
+        relatedWork: {
+          outbound: [
+            {
+              issue: {
+                id: "issue-22",
+                identifier: "PAP-22",
+                title: "Blocker",
+                status: "todo",
+                priority: "medium",
+                assigneeAgentId: null,
+                assigneeUserId: null,
+              },
+              mentionCount: 1,
+              sources: [{ kind: "description", sourceRecordId: null, label: "description", matchedText: "PAP-22" }],
+            },
+            {
+              issue: {
+                id: "issue-33",
+                identifier: "PAP-33",
+                title: "Blocked issue",
+                status: "todo",
+                priority: "medium",
+                assigneeAgentId: null,
+                assigneeUserId: null,
+              },
+              mentionCount: 1,
+              sources: [{ kind: "description", sourceRecordId: null, label: "description", matchedText: "PAP-33" }],
+            },
+            {
+              issue: {
+                id: "child-44",
+                identifier: "PAP-44",
+                title: "Child issue",
+                status: "todo",
+                priority: "medium",
+                assigneeAgentId: null,
+                assigneeUserId: null,
+              },
+              mentionCount: 1,
+              sources: [{ kind: "description", sourceRecordId: null, label: "description", matchedText: "PAP-44" }],
+            },
+          ],
+          inbound: [],
+        },
+      }),
+      childIssues: [
+        createIssue({
+          id: "child-44",
+          identifier: "PAP-44",
+          title: "Child issue",
+        }),
+      ],
+      onUpdate: vi.fn(),
+    });
+    await flush();
+
+    expect(container.textContent).not.toContain("Related Tasks");
 
     act(() => root.unmount());
   });
diff --git a/ui/src/components/IssueProperties.tsx b/ui/src/components/IssueProperties.tsx
index e43f39d68ab..dcb3abd3800 100644
--- a/ui/src/components/IssueProperties.tsx
+++ b/ui/src/components/IssueProperties.tsx
@@ -297,6 +297,29 @@ export function IssueProperties({
     return runningRuntimeServiceWithUrl(issue.currentExecutionWorkspace?.runtimeServices);
   }, [issue, issueProject]);
   const referencedIssueIdentifiers = issue.referencedIssueIdentifiers ?? [];
+  const relatedTasks = useMemo(() => {
+    const excluded = new Set<string>();
+    const addExcluded = (candidate: { id: string; identifier?: string | null }) => {
+      excluded.add(candidate.id);
+      if (candidate.identifier) excluded.add(candidate.identifier);
+    };
+
+    for (const blocker of issue.blockedBy ?? []) addExcluded(blocker);
+    for (const blocked of issue.blocks ?? []) addExcluded(blocked);
+    for (const child of childIssues) addExcluded(child);
+
+    const referencedIssues = issue.relatedWork?.outbound.map((item) => item.issue) ?? [];
+    if (referencedIssues.length > 0) {
+      return referencedIssues.filter((referenced) => {
+        const label = referenced.identifier ?? referenced.id;
+        return !excluded.has(referenced.id) && !excluded.has(label);
+      });
+    }
+
+    return referencedIssueIdentifiers
+      .filter((identifier) => !excluded.has(identifier))
+      .map((identifier) => ({ id: identifier, identifier, title: identifier }));
+  }, [childIssues, issue.blockedBy, issue.blocks, issue.relatedWork?.outbound, referencedIssueIdentifiers]);
   const projectLink = (id: string | null) => {
     if (!id) return null;
     const project = projects?.find((p) => p.id === id) ?? null;
@@ -1095,21 +1118,6 @@ export function IssueProperties({
           ) : null}
         </PropertyRow>
 
-        <PropertyRow label="Task ids">
-          {referencedIssueIdentifiers.length > 0 ? (
-            <div className="flex flex-wrap gap-1">
-              {referencedIssueIdentifiers.map((identifier) => (
-                <IssueReferencePill
-                  key={identifier}
-                  issue={{ id: identifier, identifier, title: identifier }}
-                />
-              ))}
-            </div>
-          ) : (
-            <span className="text-sm text-muted-foreground">None</span>
-          )}
-        </PropertyRow>
-
         <PropertyRow label="Sub-issues">
           <div className="flex flex-wrap items-center gap-1.5">
             {childIssues.length > 0
@@ -1130,12 +1138,22 @@ export function IssueProperties({
                 onClick={onAddSubIssue}
               >
                 <Plus className="h-3 w-3" />
-                Add sub-issue
+              Add sub-issue
               </button>
             ) : null}
           </div>
         </PropertyRow>
 
+        {relatedTasks.length > 0 ? (
+          <PropertyRow label="Related Tasks">
+            <div className="flex flex-wrap gap-1">
+              {relatedTasks.map((related) => (
+                <IssueReferencePill key={related.id} issue={related} />
+              ))}
+            </div>
+          </PropertyRow>
+        ) : null}
+
         <PropertyPicker
           inline={inline}
           label="Reviewers"
diff --git a/ui/src/components/IssueReferencePill.tsx b/ui/src/components/IssueReferencePill.tsx
index cf3d269743e..665b1ff7576 100644
--- a/ui/src/components/IssueReferencePill.tsx
+++ b/ui/src/components/IssueReferencePill.tsx
@@ -29,11 +29,7 @@ export function IssueReferencePill({
       title={issue.title}
       aria-label={`Issue ${issueLabel}: ${issue.title}`}
     >
-      {issue.status ? (
-        <StatusIcon status={issue.status} className="h-3 w-3 shrink-0" />
-      ) : (
-        <span className="h-1.5 w-1.5 rounded-[0.14rem] bg-current opacity-70" />
-      )}
+      {issue.status ? <StatusIcon status={issue.status} className="h-3 w-3 shrink-0" /> : null}
       <span>{issue.identifier ?? issue.title}</span>
     </Link>
   );
diff --git a/ui/src/components/MarkdownBody.test.tsx b/ui/src/components/MarkdownBody.test.tsx
index a9845cfb5e7..204be8024ed 100644
--- a/ui/src/components/MarkdownBody.test.tsx
+++ b/ui/src/components/MarkdownBody.test.tsx
@@ -156,6 +156,7 @@ describe("MarkdownBody", () => {
     expect(html).toContain('href="/issues/PAP-1271"');
     expect(html).toContain("text-green-600");
     expect(html).toContain(">PAP-1271<");
+    expect(html).not.toContain("paperclip-mention-chip--issue");
   });
 
   it("rewrites full issue URLs to internal issue links", () => {
@@ -166,6 +167,7 @@ describe("MarkdownBody", () => {
     expect(html).toContain('href="/issues/PAP-1179"');
     expect(html).toContain("text-red-600");
     expect(html).toContain(">http://localhost:3100/PAP/issues/PAP-1179<");
+    expect(html).not.toContain("paperclip-mention-chip--issue");
   });
 
   it("rewrites issue scheme links to internal issue links", () => {
diff --git a/ui/src/components/MarkdownBody.tsx b/ui/src/components/MarkdownBody.tsx
index 2aa5e6b6697..1c269c02fc2 100644
--- a/ui/src/components/MarkdownBody.tsx
+++ b/ui/src/components/MarkdownBody.tsx
@@ -44,7 +44,7 @@ function MarkdownIssueLink({
   return (
     <Link
       to={href}
-      className="paperclip-mention-chip paperclip-mention-chip--issue inline-flex items-center gap-1.5 align-baseline"
+      className="inline-flex items-center gap-1 align-baseline font-medium"
       data-mention-kind="issue"
     >
       {data ? <StatusIcon status={data.status} className="h-3.5 w-3.5" /> : null}
diff --git a/ui/src/index.css b/ui/src/index.css
index 2a0793a40fc..95643466a50 100644
--- a/ui/src/index.css
+++ b/ui/src/index.css
@@ -482,15 +482,6 @@ a.paperclip-mention-chip[data-mention-kind="agent"]::before {
   mask-size: contain;
 }
 
-.paperclip-mdxeditor-content a.paperclip-mention-chip[data-mention-kind="issue"]::before,
-a.paperclip-mention-chip[data-mention-kind="issue"]::before {
-  width: 0.45rem;
-  height: 0.45rem;
-  border-radius: 0.14rem;
-  background-color: currentColor;
-  opacity: 0.75;
-}
-
 .paperclip-mdxeditor-content ul,
 .paperclip-mdxeditor-content ol {
   margin: 1.1em 0;