From 9081e019f31dbae679d826db0fa2e590a01788a5 Mon Sep 17 00:00:00 2001
From: Filipe Medeiros <hello@filipesm.eu>
Date: Wed, 5 Nov 2025 13:17:08 +0000
Subject: [PATCH] Add possibility to upload media inside thread

---
 src/app/features/room/RoomInput.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/app/features/room/RoomInput.tsx b/src/app/features/room/RoomInput.tsx
index ae46d2d098..f5294b11fe 100644
--- a/src/app/features/room/RoomInput.tsx
+++ b/src/app/features/room/RoomInput.tsx
@@ -293,7 +293,14 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
       });
       handleCancelUpload(uploads);
       const contents = fulfilledPromiseSettledResult(await Promise.allSettled(contentsPromises));
-      contents.forEach((content) => mx.sendMessage(roomId, content as any));
+      contents.forEach((content) => {
+        if (replyDraft?.relation?.rel_type === RelationType.Thread) {
+          content['m.relates_to'].event_id = replyDraft.relation.event_id;
+          content['m.relates_to'].rel_type = RelationType.Thread;
+          content['m.relates_to'].is_falling_back = false;
+        }
+        mx.sendMessage(roomId, content as any)
+      });
     };
 
     const submit = useCallback(() => {