From 26bc26586b4b95d63ce7e453e9312469843f796e Mon Sep 17 00:00:00 2001
From: reivilibre <oliverw@matrix.org>
Date: Tue, 6 Sep 2022 19:28:44 +0000
Subject: [PATCH] Remove the unspecced room_id field in the /hierarchy
 response. (#13506)

This is a re-do of 57d334a13d983406ea452dfa203bbe4837509c4e (#13365),
which was backed out in 12abd724974a2311d5311272d26d2f8aa11734a9 (#13501).

The `room_id` field represented the parent space for each room
and was made redundant by changes in the API shape where the
`children_state` is now nested underneath each `room`.

The room ID of each child is in the `state_key` field and is still
available.
---
 changelog.d/13506.bugfix         | 1 +
 synapse/handlers/room_summary.py | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)
 create mode 100644 changelog.d/13506.bugfix

diff --git a/changelog.d/13506.bugfix b/changelog.d/13506.bugfix
new file mode 100644
index 0000000000..2e43668865
--- /dev/null
+++ b/changelog.d/13506.bugfix
@@ -0,0 +1 @@
+Fix a bug introduced in Synapse v1.41.0 where the `/hierarchy` API returned non-standard information (a `room_id` field under each entry in `children_state`).
\ No newline at end of file
diff --git a/synapse/handlers/room_summary.py b/synapse/handlers/room_summary.py
index 732b0310bc..ebd445adca 100644
--- a/synapse/handlers/room_summary.py
+++ b/synapse/handlers/room_summary.py
@@ -453,7 +453,6 @@ class RoomSummaryHandler:
                 "type": e.type,
                 "state_key": e.state_key,
                 "content": e.content,
-                "room_id": e.room_id,
                 "sender": e.sender,
                 "origin_server_ts": e.origin_server_ts,
             }
-- 
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