diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index c37c79afc..6ee1ae141 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -2820,6 +2820,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "ktg_settings_disable_up_edit" = "Disable edit by Up key";
 
+"ktg_settings_auto_scroll_unfocused" = "Unfocused auto-scroll";
+
 "ktg_settings_always_show_scheduled" = "Always show scheduled";
 "ktg_settings_chat_list_compact" = "Compact chat list";
 
diff --git a/Telegram/Resources/langs/rewrites/en.json b/Telegram/Resources/langs/rewrites/en.json
index 8c828daa4..d361f8c37 100644
--- a/Telegram/Resources/langs/rewrites/en.json
+++ b/Telegram/Resources/langs/rewrites/en.json
@@ -40,6 +40,7 @@
 	"ktg_settings_sticker_scale_both_about": "When enabled, sticker maximum width will be changed along with sticker height.",
 	"ktg_settings_emoji_outline": "Big emoji outline",
 	"ktg_settings_disable_up_edit": "Disable edit by Up key",
+	"ktg_settings_auto_scroll_unfocused": "Unfocused auto-scroll",
 	"ktg_settings_always_show_scheduled": "Always show scheduled",
 	"ktg_settings_chat_list_compact": "Compact chat list",
 	"ktg_fonts_title": "Fonts",
diff --git a/Telegram/Resources/langs/rewrites/ru.json b/Telegram/Resources/langs/rewrites/ru.json
index 96c961099..13c86ed2a 100644
--- a/Telegram/Resources/langs/rewrites/ru.json
+++ b/Telegram/Resources/langs/rewrites/ru.json
@@ -40,6 +40,7 @@
 	"ktg_settings_sticker_scale_both_about": "При включении максимальная ширина стикера будет изменяться вместе с высотой.",
 	"ktg_settings_emoji_outline": "Обводка у больших эмодзи",
 	"ktg_settings_disable_up_edit": "Отключить редактирование по «Вверх»",
+	"ktg_settings_auto_scroll_unfocused": "Прокрутка, когда окно неактивно",
 	"ktg_settings_always_show_scheduled": "Всегда показывать отложенные",
 	"ktg_settings_chat_list_compact": "Компактный список чатов",
 	"ktg_fonts_title": "Шрифты",
diff --git a/Telegram/SourceFiles/kotato/json_settings.cpp b/Telegram/SourceFiles/kotato/json_settings.cpp
index 9a6c8099a..121cdc622 100644
--- a/Telegram/SourceFiles/kotato/json_settings.cpp
+++ b/Telegram/SourceFiles/kotato/json_settings.cpp
@@ -369,6 +369,7 @@ QByteArray GenerateSettingsJson(bool areDefault = false) {
 	settings.insert(qsl("show_phone_in_drawer"), cShowPhoneInDrawer());
 	settings.insert(qsl("chat_list_lines"), DialogListLines());
 	settings.insert(qsl("disable_up_edit"), cDisableUpEdit());
+	settings.insert(qsl("auto_scroll_unfocused"), cAutoScrollUnfocused());
 	settings.insert(qsl("confirm_before_calls"), cConfirmBeforeCall());
 	settings.insert(qsl("native_decorations"), cUseNativeDecorations());
 	settings.insert(qsl("recent_stickers_limit"), RecentStickersLimit());
@@ -581,6 +582,10 @@ bool Manager::readCustomFile() {
 		cSetDisableUpEdit(v);
 	});
 
+	ReadBoolOption(settings, "auto_scroll_unfocused", [&](auto v) {
+		cSetAutoScrollUnfocused(v);
+	});
+
 	ReadArrayOption(settings, "replaces", [&](auto v) {
 		for (auto i = v.constBegin(), e = v.constEnd(); i != e; ++i) {
 			if (!(*i).isArray()) {
diff --git a/Telegram/SourceFiles/kotato/settings.cpp b/Telegram/SourceFiles/kotato/settings.cpp
index 0ae54a121..641c6ed2a 100644
--- a/Telegram/SourceFiles/kotato/settings.cpp
+++ b/Telegram/SourceFiles/kotato/settings.cpp
@@ -246,4 +246,6 @@ bool gForwardCaptioned = true;
 bool gForwardAlbumsAsIs = true;
 bool gForwardGrouped = false;
 
+bool gAutoScrollUnfocused = false;
+
 LocalFolderVector gLocalFolders;
diff --git a/Telegram/SourceFiles/kotato/settings.h b/Telegram/SourceFiles/kotato/settings.h
index 6624bc9b2..4cd27aaec 100644
--- a/Telegram/SourceFiles/kotato/settings.h
+++ b/Telegram/SourceFiles/kotato/settings.h
@@ -146,6 +146,8 @@ DeclareSetting(bool, ForwardCaptioned);
 DeclareSetting(bool, ForwardAlbumsAsIs);
 DeclareSetting(bool, ForwardGrouped);
 
+DeclareSetting(bool, AutoScrollUnfocused);
+
 struct LocalFolder {
 	int id = 0;
 	uint64 ownerId = 0;
diff --git a/Telegram/SourceFiles/kotato/settings_menu.cpp b/Telegram/SourceFiles/kotato/settings_menu.cpp
index 2c836018c..87ff3b82d 100644
--- a/Telegram/SourceFiles/kotato/settings_menu.cpp
+++ b/Telegram/SourceFiles/kotato/settings_menu.cpp
@@ -224,6 +224,7 @@ void SetupKotatoChats(
 
 	SettingsMenuCSwitch(ktg_settings_top_bar_mute, ProfileTopBarNotifications);
 	SettingsMenuCSwitch(ktg_settings_disable_up_edit, DisableUpEdit);
+	SettingsMenuCSwitch(ktg_settings_auto_scroll_unfocused, AutoScrollUnfocused);
 
 	AddButton(
 		container,
diff --git a/Telegram/SourceFiles/mainwindow.cpp b/Telegram/SourceFiles/mainwindow.cpp
index 6049c026d..d36d499d4 100644
--- a/Telegram/SourceFiles/mainwindow.cpp
+++ b/Telegram/SourceFiles/mainwindow.cpp
@@ -556,6 +556,15 @@ bool MainWindow::doWeMarkAsRead() {
 	if (!_main || Ui::isLayerShown()) {
 		return false;
 	}
+	if (cAutoScrollUnfocused()) {
+		// for tile grid in case other windows have shadows
+		// i've seen some windows with >70px shadow margins
+		const auto margin = style::ConvertScale(100);
+		return Ui::IsContentVisible(
+			this,
+			inner().marginsRemoved(QMargins(margin, margin, margin, margin)))
+			&& _main->doWeMarkAsRead();
+	}
 	updateIsActive();
 	return isActive() && _main->doWeMarkAsRead();
 }