From e47b00a33c6b7994d65ed5601d6375a48eee12b7 Mon Sep 17 00:00:00 2001
From: Scott Nonnenberg <scott@signal.org>
Date: Fri, 9 Apr 2021 13:11:36 -0700
Subject: [PATCH] Don't mark old messages as read on timer update

---
 ts/models/messages.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ts/models/messages.ts b/ts/models/messages.ts
index 58d51af5d..85b6c8aee 100644
--- a/ts/models/messages.ts
+++ b/ts/models/messages.ts
@@ -3820,8 +3820,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
             Math.min(readSync.get('read_at'), Date.now())
           );
         }
-      }
-      if (readSync || message.isExpirationTimerUpdate()) {
+
         message.unset('unread');
         // This is primarily to allow the conversation to mark all older
         // messages as read, as is done when we receive a read sync for