From b99b80957f34f850e280d880d52c3eb52d09dd07 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Fri, 26 Jun 2026 00:02:50 +1000
Subject: [PATCH] [UI] Improve revision selector (#12254)

- Display upstream revisions too
---
 src/frontend/src/pages/part/PartDetail.tsx | 23 ++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/frontend/src/pages/part/PartDetail.tsx b/src/frontend/src/pages/part/PartDetail.tsx
index af83e85522..38194069b6 100644
--- a/src/frontend/src/pages/part/PartDetail.tsx
+++ b/src/frontend/src/pages/part/PartDetail.tsx
@@ -218,7 +218,10 @@ export default function PartDetail() {
   // Fetch information on parts which are revisions of *this* part
   const partRevisionQuery = useQuery({
     refetchOnMount: true,
-    enabled: revisionsEnabled && !!part && !!part.revision_count,
+    enabled:
+      revisionsEnabled &&
+      !!part &&
+      (!!part.revision_count || !!part.revision_of),
     queryKey: ['part_revisions', part.pk, part.revision_count],
     queryFn: async () =>
       api
@@ -227,7 +230,23 @@ export default function PartDetail() {
             revision_of: part.pk
           }
         })
-        .then((response) => response.data)
+        .then(async (response) => {
+          let data = response.data;
+
+          // If the part is also a revision, fetch upstream revision information too
+          if (!!part.revision_of) {
+            await api
+              .get(apiUrl(ApiEndpoints.part_list), {
+                params: {
+                  revision_of: part.revision_of
+                }
+              })
+              .then((response) => {
+                data = [...data, ...response.data];
+              });
+          }
+          return data;
+        })
   });
 
   const partRevisionOptions: any[] = useMemo(() => {