From 322012cf889c00fe5b2bc790a01c52e6ca1e689e Mon Sep 17 00:00:00 2001
From: Luke Barnard <luke@matrix.org>
Date: Mon, 12 Feb 2018 18:46:36 +0000
Subject: [PATCH] Add comment to explain hacky optimism

---
 src/stores/RoomListStore.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/stores/RoomListStore.js b/src/stores/RoomListStore.js
index 193784811c..b71e1c5cc1 100644
--- a/src/stores/RoomListStore.js
+++ b/src/stores/RoomListStore.js
@@ -79,6 +79,11 @@ class RoomListStore extends Store {
             }
             break;
             case 'RoomListActions.tagRoom.pending': {
+                // XXX: we only show one optimistic update at any one time.
+                // Ideally we should be making a list of in-flight requests
+                // that are backed by transaction IDs. Until the js-sdk
+                // supports this, we're stuck with only being able to use
+                // the most recent optimistic update.
                 this._generateRoomLists(payload.request);
             }
             break;