From 33bd4d05076b214644029a2ba3aed8bec276de60 Mon Sep 17 00:00:00 2001
From: Stanislav C <150145013+stanislav-c@users.noreply.github.com>
Date: Thu, 28 Aug 2025 10:52:42 +0200
Subject: [PATCH] fix: deduplicate discovered backend features

Signed-off-by: Stanislav C <150145013+stanislav-c@users.noreply.github.com>
---
 .changeset/afraid-streets-pay.md                         | 5 +++++
 packages/backend-defaults/src/PackageDiscoveryService.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/afraid-streets-pay.md

diff --git a/.changeset/afraid-streets-pay.md b/.changeset/afraid-streets-pay.md
new file mode 100644
index 0000000000..d8e0bde4ab
--- /dev/null
+++ b/.changeset/afraid-streets-pay.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Deduplicate discovered features discovered with discoveryFeatureLoader
diff --git a/packages/backend-defaults/src/PackageDiscoveryService.ts b/packages/backend-defaults/src/PackageDiscoveryService.ts
index fe0ab931a7..abf015baf3 100644
--- a/packages/backend-defaults/src/PackageDiscoveryService.ts
+++ b/packages/backend-defaults/src/PackageDiscoveryService.ts
@@ -175,6 +175,6 @@ export class PackageDiscoveryService {
       }
     }
 
-    return { features };
+    return { features: Array.from(new Set(features)) };
   }
 }