From a0110fed27547d10b9029f1e41754c2b12253a3f Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 16 Nov 2021 12:28:46 +0400
Subject: [PATCH] Allow to see who viewed message from the migrated history.

---
 Telegram/SourceFiles/api/api_who_read.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/Telegram/SourceFiles/api/api_who_read.cpp b/Telegram/SourceFiles/api/api_who_read.cpp
index 46c56e57a..d7fcbb8ff 100644
--- a/Telegram/SourceFiles/api/api_who_read.cpp
+++ b/Telegram/SourceFiles/api/api_who_read.cpp
@@ -291,10 +291,6 @@ bool WhoReadExists(not_null<HistoryItem*> item) {
 	const auto megagroup = peer->asMegagroup();
 	if (!chat && !megagroup) {
 		return false;
-	} else if (peer->migrateTo()) {
-		// They're all always marked as read.
-		// We don't know if there really are any readers.
-		return false;
 	}
 	const auto &appConfig = peer->session().account().appConfig();
 	const auto expirePeriod = TimeId(appConfig.get<double>(