diff --git a/Telegram/SourceFiles/apiwrap.cpp b/Telegram/SourceFiles/apiwrap.cpp
index e0453428aa..589b842a13 100644
--- a/Telegram/SourceFiles/apiwrap.cpp
+++ b/Telegram/SourceFiles/apiwrap.cpp
@@ -1929,7 +1929,7 @@ void ApiWrap::updateNotifySettingsDelayed(Data::DefaultNotify type) {
 
 void ApiWrap::sendNotifySettingsUpdates() {
 	_updateNotifyQueueLifetime.destroy();
-	for (const auto topic : base::take(_updateNotifyTopics)) {
+	for (const auto &topic : base::take(_updateNotifyTopics)) {
 		request(MTPaccount_UpdateNotifySettings(
 			MTP_inputNotifyForumTopic(
 				topic->peer()->input(),
@@ -1937,7 +1937,7 @@ void ApiWrap::sendNotifySettingsUpdates() {
 			topic->notify().serialize()
 		)).afterDelay(kSmallDelayMs).send();
 	}
-	for (const auto peer : base::take(_updateNotifyPeers)) {
+	for (const auto &peer : base::take(_updateNotifyPeers)) {
 		request(MTPaccount_UpdateNotifySettings(
 			MTP_inputNotifyPeer(peer->input()),
 			peer->notify().serialize()
@@ -3621,7 +3621,7 @@ void ApiWrap::forwardMessages(
 
 	ids.reserve(count);
 	randomIds.reserve(count);
-	for (const auto item : draft.items) {
+	for (const auto &item : draft.items) {
 		const auto randomId = base::RandomValue<uint64>();
 		if (genClientSideMessage) {
 			const auto newId = FullMsgId(
diff --git a/Telegram/SourceFiles/boxes/edit_privacy_box.cpp b/Telegram/SourceFiles/boxes/edit_privacy_box.cpp
index 52ba4c7e2d..83ef8a3528 100644
--- a/Telegram/SourceFiles/boxes/edit_privacy_box.cpp
+++ b/Telegram/SourceFiles/boxes/edit_privacy_box.cpp
@@ -585,7 +585,7 @@ void EditNoPaidMessagesExceptions(
 			setTo.premiums = false;
 			setTo.miniapps = false;
 			auto &removeFrom = copy.never;
-			for (const auto peer : setTo.peers) {
+			for (const auto &peer : setTo.peers) {
 				removeFrom.peers.erase(
 					ranges::remove(removeFrom.peers, peer),
 					end(removeFrom.peers));
@@ -671,7 +671,7 @@ void EditPrivacyBox::editExceptions(
 				Unexpected("Invalid exception value.");
 			}();
 			auto &removeFrom = exceptions(type);
-			for (const auto peer : exceptions(exception).peers) {
+			for (const auto &peer : exceptions(exception).peers) {
 				removeFrom.peers.erase(
 					ranges::remove(removeFrom.peers, peer),
 					end(removeFrom.peers));
diff --git a/Telegram/SourceFiles/boxes/peer_list_box.h b/Telegram/SourceFiles/boxes/peer_list_box.h
index 9cc91cafea..1f4405ca19 100644
--- a/Telegram/SourceFiles/boxes/peer_list_box.h
+++ b/Telegram/SourceFiles/boxes/peer_list_box.h
@@ -372,7 +372,7 @@ public:
 
 	template <typename PeerDataRange>
 	void peerListAddSelectedPeers(PeerDataRange &&range) {
-		for (const auto peer : range) {
+		for (const auto &peer : range) {
 			peerListAddSelectedPeerInBunch(peer);
 		}
 		peerListFinishSelectedRowsBunch();
diff --git a/Telegram/SourceFiles/boxes/peers/edit_discussion_link_box.cpp b/Telegram/SourceFiles/boxes/peers/edit_discussion_link_box.cpp
index 8f5154c955..01c838b82c 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_discussion_link_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_discussion_link_box.cpp
@@ -111,7 +111,7 @@ void Controller::prepare() {
 	if (_chat) {
 		appendRow(_chat);
 	} else {
-		for (const auto chat : _chats) {
+		for (const auto &chat : _chats) {
 			appendRow(chat);
 		}
 		if (_chats.size() >= kEnableSearchRowsCount) {
diff --git a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
index 3c2893f642..e3adb3f6df 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
@@ -614,7 +614,7 @@ void ParticipantsAdditionalData::fillFromChannel(
 	if (information->creator) {
 		_creator = information->creator;
 	}
-	for (const auto user : information->lastParticipants) {
+	for (const auto &user : information->lastParticipants) {
 		const auto admin = information->lastAdmins.find(user);
 		const auto rank = information->memberRanks.find(peerToUser(user->id));
 		const auto restricted = information->lastRestricted.find(user);
@@ -1575,7 +1575,7 @@ void ParticipantsBoxController::rebuildChatAdmins(
 		delegate()->peerListRemoveRow(
 			delegate()->peerListRowAt(0));
 	}
-	for (const auto user : list) {
+	for (const auto &user : list) {
 		if (auto row = createRow(user)) {
 			const auto raw = row.get();
 			delegate()->peerListAppendRow(std::move(row));
@@ -1732,7 +1732,7 @@ bool ParticipantsBoxController::feedMegagroupLastParticipants() {
 
 	auto added = false;
 	_additional.fillFromPeer();
-	for (const auto user : info->lastParticipants) {
+	for (const auto &user : info->lastParticipants) {
 		if (appendRow(user)) {
 			added = true;
 		}
diff --git a/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp b/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
index d1179e27eb..ac5b632317 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
@@ -1522,7 +1522,7 @@ object_ptr<Ui::BoxContent> ShareInviteLinkBox(
 			comment.text = link;
 		}
 		auto &api = session->api();
-		for (const auto thread : result) {
+		for (const auto &thread : result) {
 			auto message = Api::MessageToSend(
 				Api::SendAction(thread, options));
 			message.textWithTags = comment;
diff --git a/Telegram/SourceFiles/boxes/share_box.cpp b/Telegram/SourceFiles/boxes/share_box.cpp
index 417320ba81..92d098a56c 100644
--- a/Telegram/SourceFiles/boxes/share_box.cpp
+++ b/Telegram/SourceFiles/boxes/share_box.cpp
@@ -1741,7 +1741,7 @@ ShareBox::SubmitCallback ShareBox::DefaultForwardCallback(
 		const auto showRecentForwardsToSelf = result.size() == 1
 			&& result.front()->peer()->isSelf()
 			&& history->session().premium();
-		for (const auto thread : result) {
+		for (const auto &thread : result) {
 			const auto peer = thread->peer();
 			const auto threadHistory = thread->owningHistory();
 			const auto forum = threadHistory->asForum();
@@ -2108,7 +2108,7 @@ void FastShareLink(
 			comment.text = url;
 		}
 		auto &api = show->session().api();
-		for (const auto thread : result) {
+		for (const auto &thread : result) {
 			auto message = Api::MessageToSend(
 				Api::SendAction(thread, options));
 			message.textWithTags = comment;
diff --git a/Telegram/SourceFiles/boxes/star_gift_auction_box.cpp b/Telegram/SourceFiles/boxes/star_gift_auction_box.cpp
index af11e45a23..805cc67a3b 100644
--- a/Telegram/SourceFiles/boxes/star_gift_auction_box.cpp
+++ b/Telegram/SourceFiles/boxes/star_gift_auction_box.cpp
@@ -1823,7 +1823,7 @@ TextWithEntities ActiveAuctionsTitle(const Data::ActiveAuctions &auctions) {
 		).append(' ').append(tr::lng_auction_bar_active(tr::now));
 	}
 	auto result = tr::marked();
-	for (const auto auction : list | ranges::views::take(3)) {
+	for (const auto &auction : list | ranges::views::take(3)) {
 		result.append(Data::SingleCustomEmoji(auction->gift->document));
 	}
 	return result.append(' ').append(
@@ -1851,7 +1851,7 @@ ManyAuctionsState ActiveAuctionsState(const Data::ActiveAuctions &auctions) {
 		return { std::move(text), !position };
 	}
 	auto outbid = 0;
-	for (const auto auction : list) {
+	for (const auto &auction : list) {
 		if (!winning(auction)) {
 			++outbid;
 		}
@@ -2036,7 +2036,7 @@ Fn<void()> ActiveAuctionsCallback(
 			.ends = state.nextRoundAt ? state.nextRoundAt : state.endDate,
 		};
 	};
-	for (const auto auction : list) {
+	for (const auto &auction : list) {
 		state->list.push_back(singleFrom(*auction));
 	}
 	return [=] {
diff --git a/Telegram/SourceFiles/boxes/star_gift_box.cpp b/Telegram/SourceFiles/boxes/star_gift_box.cpp
index c44f0e6074..6b404b99e1 100644
--- a/Telegram/SourceFiles/boxes/star_gift_box.cpp
+++ b/Telegram/SourceFiles/boxes/star_gift_box.cpp
@@ -2145,7 +2145,7 @@ Controller::Controller(not_null<Main::Session*> session, PickCallback pick)
 				return aBirthday.day() < bBirthday.day();
 			});
 
-			for (const auto user : usersWithBirthdays) {
+			for (const auto &user : usersWithBirthdays) {
 				auto row = std::make_unique<PeerRow>(user);
 				if (auto s = status(user->birthday()); !s.isEmpty()) {
 					row->setCustomStatus(std::move(s));
diff --git a/Telegram/SourceFiles/calls/group/calls_group_invite_controller.cpp b/Telegram/SourceFiles/calls/group/calls_group_invite_controller.cpp
index 2f22d81270..537e7d3ed9 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_invite_controller.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_invite_controller.cpp
@@ -344,7 +344,7 @@ void ConfInviteRow::elementsPaint(
 		}
 
 		void prepare() override {
-			for (const auto user : _users) {
+			for (const auto &user : _users) {
 				delegate()->peerListAppendRow(
 					std::make_unique<ConfInviteRow>(user, _st));
 			}
@@ -485,7 +485,7 @@ ConfInviteController::ConfInviteController(
 , _shareLink(std::move(shareLink)) {
 	if (!_shareLink) {
 		_skip.reserve(_prioritize.size());
-		for (const auto user : _prioritize) {
+		for (const auto &user : _prioritize) {
 			_skip.emplace(user);
 		}
 	}
diff --git a/Telegram/SourceFiles/calls/group/calls_group_settings.cpp b/Telegram/SourceFiles/calls/group/calls_group_settings.cpp
index 6459b163b7..7f629582bf 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_settings.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_settings.cpp
@@ -198,7 +198,7 @@ object_ptr<ShareBox> ShareInviteLinkBox(
 			comment.text = link;
 		}
 		auto &api = peer->session().api();
-		for (const auto thread : result) {
+		for (const auto &thread : result) {
 			auto message = Api::MessageToSend(
 				Api::SendAction(thread, options));
 			message.textWithTags = comment;
diff --git a/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp b/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
index 905957f084..6e29eb20fc 100644
--- a/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
+++ b/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
@@ -499,7 +499,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 					sorted.emplace(byOnline(user), user);
 				}
 			}
-			for (const auto user : _chat->lastAuthors) {
+			for (const auto &user : _chat->lastAuthors) {
 				if (user->isInaccessible()) continue;
 				if (!listAllSuggestions && filterNotPassedByName(user)) continue;
 				if (indexOfInFirstN(mrows, user, recentInlineBots) >= 0) continue;
@@ -530,7 +530,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 					_channel);
 			} else {
 				mrows.reserve(mrows.size() + _channel->mgInfo->lastParticipants.size());
-				for (const auto user : _channel->mgInfo->lastParticipants) {
+				for (const auto &user : _channel->mgInfo->lastParticipants) {
 					if (user->isInaccessible()) continue;
 					if (!listAllSuggestions && filterNotPassedByName(user)) continue;
 					if (indexOfInFirstN(mrows, user, recentInlineBots) >= 0) continue;
diff --git a/Telegram/SourceFiles/data/data_group_call.cpp b/Telegram/SourceFiles/data/data_group_call.cpp
index 10ba213f3d..a18477b26b 100644
--- a/Telegram/SourceFiles/data/data_group_call.cpp
+++ b/Telegram/SourceFiles/data/data_group_call.cpp
@@ -976,7 +976,7 @@ void GroupCall::checkFinishSpeakingByActive() {
 			++i;
 		}
 	}
-	for (const auto participantPeer : stop) {
+	for (const auto &participantPeer : stop) {
 		const auto participant = findParticipant(participantPeer);
 		Assert(participant != nullptr);
 		if (participant->speaking) {
diff --git a/Telegram/SourceFiles/data/data_histories.cpp b/Telegram/SourceFiles/data/data_histories.cpp
index 59b0b558bc..335333c781 100644
--- a/Telegram/SourceFiles/data/data_histories.cpp
+++ b/Telegram/SourceFiles/data/data_histories.cpp
@@ -984,7 +984,7 @@ void Histories::deleteMessages(const MessageIdsList &ids, bool revoke) {
 		document->owner().savedMusic().remove(document);
 	}
 
-	for (const auto item : remove) {
+	for (const auto &item : remove) {
 		const auto history = item->history();
 		const auto wasLast = (history->lastMessage() == item);
 		const auto wasInChats = (history->chatListMessage() == item);
diff --git a/Telegram/SourceFiles/data/data_session.cpp b/Telegram/SourceFiles/data/data_session.cpp
index 5c43ae35f9..963fc89abb 100644
--- a/Telegram/SourceFiles/data/data_session.cpp
+++ b/Telegram/SourceFiles/data/data_session.cpp
@@ -1709,7 +1709,7 @@ void Session::enumerateItemViews(
 		not_null<const HistoryItem*> item,
 		Method method) {
 	if (const auto i = _views.find(item); i != _views.end()) {
-		for (const auto view : i->second) {
+		for (const auto &view : i->second) {
 			method(view);
 		}
 	}
@@ -2297,7 +2297,7 @@ void Session::unloadHeavyViewParts(
 				remove.push_back(view);
 			}
 		}
-		for (const auto view : remove) {
+		for (const auto &view : remove) {
 			view->unloadHeavyPart();
 		}
 	}
@@ -2317,7 +2317,7 @@ void Session::unloadHeavyViewParts(
 			remove.push_back(view);
 		}
 	}
-	for (const auto view : remove) {
+	for (const auto &view : remove) {
 		view->unloadHeavyPart();
 	}
 }
@@ -4679,7 +4679,7 @@ void Session::registerContactItem(
 	}
 
 	if (const auto i = _views.find(item); i != _views.end()) {
-		for (const auto view : i->second) {
+		for (const auto &view : i->second) {
 			if (const auto media = view->media()) {
 				media->updateSharedContactUserId(contactId);
 			}
@@ -4746,7 +4746,7 @@ void Session::unregisterStoryItem(
 void Session::refreshStoryItemViews(FullStoryId id) {
 	const auto i = _storyItems.find(id);
 	if (i != _storyItems.end()) {
-		for (const auto item : i->second) {
+		for (const auto &item : i->second) {
 			if (const auto media = item->media()) {
 				if (media->storyMention()) {
 					item->updateStoryMentionText();
diff --git a/Telegram/SourceFiles/data/stickers/data_stickers.cpp b/Telegram/SourceFiles/data/stickers/data_stickers.cpp
index 5d47f2a987..19a464be50 100644
--- a/Telegram/SourceFiles/data/stickers/data_stickers.cpp
+++ b/Telegram/SourceFiles/data/stickers/data_stickers.cpp
@@ -261,7 +261,7 @@ void Stickers::incrementSticker(not_null<DocumentData*> document) {
 				set->emoji[emoji].push_front(document);
 			}
 		} else if (!removedFromEmoji.empty()) {
-			for (const auto emoji : removedFromEmoji) {
+			for (const auto &emoji : removedFromEmoji) {
 				set->emoji[emoji].push_front(document);
 			}
 		} else {
@@ -1465,7 +1465,7 @@ std::vector<not_null<DocumentData*>> Stickers::getListByEmoji(
 		const auto others = session().api().stickersByEmoji(key);
 		if (others) {
 			result.reserve(result.size() + others->size());
-			for (const auto document : *others) {
+			for (const auto &document : *others) {
 				add(document, CreateOtherSortKey(document));
 			}
 		} else if (!forceAllResults) {
diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
index 765aaf2f14..447a16a8f1 100644
--- a/Telegram/SourceFiles/history/history.cpp
+++ b/Telegram/SourceFiles/history/history.cpp
@@ -638,7 +638,7 @@ void History::destroyMessagesByDates(TimeId minDate, TimeId maxDate) {
 			toDestroy.push_back(message.get());
 		}
 	}
-	for (const auto item : toDestroy) {
+	for (const auto &item : toDestroy) {
 		item->destroy();
 	}
 }
@@ -651,7 +651,7 @@ void History::destroyMessagesByTopic(MsgId topicRootId) {
 			toDestroy.push_back(message.get());
 		}
 	}
-	for (const auto item : toDestroy) {
+	for (const auto &item : toDestroy) {
 		item->destroy();
 	}
 }
@@ -665,7 +665,7 @@ void History::destroyMessagesBySublist(not_null<PeerData*> sublistPeer) {
 			toDestroy.push_back(message.get());
 		}
 	}
-	for (const auto item : toDestroy) {
+	for (const auto &item : toDestroy) {
 		item->destroy();
 	}
 }
@@ -4043,7 +4043,7 @@ void History::clearUpTill(MsgId availableMinId) {
 			remove.push_back(item.get());
 		}
 	}
-	for (const auto item : remove) {
+	for (const auto &item : remove) {
 		item->destroy();
 	}
 	requestChatListMessage();
diff --git a/Telegram/SourceFiles/history/history_inner_widget.cpp b/Telegram/SourceFiles/history/history_inner_widget.cpp
index 74086f72ff..5512716a54 100644
--- a/Telegram/SourceFiles/history/history_inner_widget.cpp
+++ b/Telegram/SourceFiles/history/history_inner_widget.cpp
@@ -5214,7 +5214,7 @@ void HistoryInner::applyDragSelection(
 				toRemove.emplace_back(item.first);
 			}
 		}
-		for (const auto item : toRemove) {
+		for (const auto &item : toRemove) {
 			changeSelectionAsGroup(toItems, item, SelectAction::Deselect);
 		}
 	}
diff --git a/Telegram/SourceFiles/history/history_item_helpers.cpp b/Telegram/SourceFiles/history/history_item_helpers.cpp
index 7f67eba947..a696d85178 100644
--- a/Telegram/SourceFiles/history/history_item_helpers.cpp
+++ b/Telegram/SourceFiles/history/history_item_helpers.cpp
@@ -179,7 +179,7 @@ Data::SendError GetErrorForSending(
 Data::SendErrorWithThread GetErrorForSending(
 		const std::vector<not_null<Data::Thread*>> &threads,
 		SendingErrorRequest request) {
-	for (const auto thread : threads) {
+	for (const auto &thread : threads) {
 		const auto error = GetErrorForSending(thread, request);
 		if (error) {
 			return Data::SendErrorWithThread{ error, thread };
diff --git a/Telegram/SourceFiles/history/view/controls/history_view_forward_panel.cpp b/Telegram/SourceFiles/history/view/controls/history_view_forward_panel.cpp
index 8dcbfe0423..063c39a38b 100644
--- a/Telegram/SourceFiles/history/view/controls/history_view_forward_panel.cpp
+++ b/Telegram/SourceFiles/history/view/controls/history_view_forward_panel.cpp
@@ -105,7 +105,7 @@ void ForwardPanel::checkTexts() {
 		? kNameWithCaptionsVersion
 		: kNameNoCaptionsVersion;
 	if (keepNames) {
-		for (const auto item : _data.items) {
+		for (const auto &item : _data.items) {
 			if (const auto from = item->originalSender()) {
 				version += from->nameVersion();
 			} else if (item->originalHiddenSenderInfo()) {
@@ -142,7 +142,7 @@ void ForwardPanel::updateTexts() {
 		auto fullname = QString();
 		auto names = std::vector<QString>();
 		names.reserve(_data.items.size());
-		for (const auto item : _data.items) {
+		for (const auto &item : _data.items) {
 			if (const auto from = item->originalSender()) {
 				if (!insertedPeers.contains(from)) {
 					insertedPeers.emplace(from);
diff --git a/Telegram/SourceFiles/history/view/history_view_about_view.cpp b/Telegram/SourceFiles/history/view/history_view_about_view.cpp
index 0424dd26de..544be0cace 100644
--- a/Telegram/SourceFiles/history/view/history_view_about_view.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_about_view.cpp
@@ -201,7 +201,7 @@ void UserpicsList::subscribeToUpdates(Fn<void()> callback) {
 		return;
 	}
 	_subscribed = std::make_unique<Subscribed>(std::move(callback));
-	for (const auto peer : _peers) {
+	for (const auto &peer : _peers) {
 		_subscribed->list.push_back({ .peer = peer });
 	}
 }
diff --git a/Telegram/SourceFiles/history/view/reactions/history_view_reactions_list.cpp b/Telegram/SourceFiles/history/view/reactions/history_view_reactions_list.cpp
index 870d18e687..c48b0ed6cd 100644
--- a/Telegram/SourceFiles/history/view/reactions/history_view_reactions_list.cpp
+++ b/Telegram/SourceFiles/history/view/reactions/history_view_reactions_list.cpp
@@ -261,7 +261,7 @@ void Controller::showReaction(const ReactionId &reaction) {
 		}) | ranges::views::transform(
 			&AllEntry::first
 		) | ranges::to_vector;
-		for (const auto peer : _filtered) {
+		for (const auto &peer : _filtered) {
 			appendRow(peer, _shownReaction);
 		}
 		_filteredOffset = QString();
diff --git a/Telegram/SourceFiles/info/info_wrap_widget.cpp b/Telegram/SourceFiles/info/info_wrap_widget.cpp
index 4cc5413e7c..38c20538a4 100644
--- a/Telegram/SourceFiles/info/info_wrap_widget.cpp
+++ b/Telegram/SourceFiles/info/info_wrap_widget.cpp
@@ -836,7 +836,7 @@ void WrapWidget::showFinishedHook() {
 			showTopBarMenu(false);
 			if (_topBarMenu) {
 				const auto menu = _topBarMenu->menu();
-				for (const auto action : menu->actions()) {
+				for (const auto &action : menu->actions()) {
 					const auto controlId = "highlight-control-id";
 					if (action->property(controlId).toString() == highlightId) {
 						if (const auto item = menu->itemForAction(action)) {
diff --git a/Telegram/SourceFiles/info/similar_peers/info_similar_peers_widget.cpp b/Telegram/SourceFiles/info/similar_peers/info_similar_peers_widget.cpp
index 39eba79817..f67b18f090 100644
--- a/Telegram/SourceFiles/info/similar_peers/info_similar_peers_widget.cpp
+++ b/Telegram/SourceFiles/info/similar_peers/info_similar_peers_widget.cpp
@@ -128,7 +128,7 @@ rpl::producer<int> ListController::unlockHeightValue() const {
 void ListController::rebuild() {
 	const auto participants = &_peer->session().api().chatParticipants();
 	const auto &list = participants->similar(_peer);
-	for (const auto peer : list.list) {
+	for (const auto &peer : list.list) {
 		if (!delegate()->peerListFindRow(peer->id.value)) {
 			delegate()->peerListAppendRow(createRow(peer));
 		}
diff --git a/Telegram/SourceFiles/media/stories/media_stories_share.cpp b/Telegram/SourceFiles/media/stories/media_stories_share.cpp
index 6fb899ff94..8538759fec 100644
--- a/Telegram/SourceFiles/media/stories/media_stories_share.cpp
+++ b/Telegram/SourceFiles/media/stories/media_stories_share.cpp
@@ -120,7 +120,7 @@ namespace Media::Stories {
 				comment.text = url;
 			}
 			auto &api = show->session().api();
-			for (const auto thread : result) {
+			for (const auto &thread : result) {
 				auto message = Api::MessageToSend(
 					Api::SendAction(thread, options));
 				message.textWithTags = comment;
@@ -134,7 +134,7 @@ namespace Media::Stories {
 
 		const auto api = &story->session().api();
 		auto &histories = story->owner().histories();
-		for (const auto thread : result) {
+		for (const auto &thread : result) {
 			const auto action = Api::SendAction(thread, options);
 			if (!comment.text.isEmpty()) {
 				auto message = Api::MessageToSend(action);
diff --git a/Telegram/SourceFiles/settings/sections/settings_main.cpp b/Telegram/SourceFiles/settings/sections/settings_main.cpp
index 61a6e115dc..c8dc269642 100644
--- a/Telegram/SourceFiles/settings/sections/settings_main.cpp
+++ b/Telegram/SourceFiles/settings/sections/settings_main.cpp
@@ -721,7 +721,7 @@ void Main::showFinished() {
 	if (controller()->takeHighlightControlId(emojiId)) {
 		if (const auto popupMenu = _userpic->showChangePhotoMenu()) {
 			const auto menu = popupMenu->menu();
-			for (const auto action : menu->actions()) {
+			for (const auto &action : menu->actions()) {
 				const auto controlId = "highlight-control-id";
 				if (action->property(controlId).toString() == emojiId) {
 					if (const auto item = menu->itemForAction(action)) {
diff --git a/Telegram/SourceFiles/ui/boxes/emoji_stake_box.cpp b/Telegram/SourceFiles/ui/boxes/emoji_stake_box.cpp
index 3cf9b425cd..1cb6d28242 100644
--- a/Telegram/SourceFiles/ui/boxes/emoji_stake_box.cpp
+++ b/Telegram/SourceFiles/ui/boxes/emoji_stake_box.cpp
@@ -402,7 +402,7 @@ void AddStakePresets(
 			const auto cols = int(row.size());
 			const auto singlew = (width - (cols - 1) * xskip) / cols;
 			auto x = 0;
-			for (const auto button : row) {
+			for (const auto &button : row) {
 				button->setFullWidth(singlew);
 				button->move(x, y);
 				x += singlew + xskip;
diff --git a/Telegram/SourceFiles/window/window_chat_switch_process.cpp b/Telegram/SourceFiles/window/window_chat_switch_process.cpp
index 230038c6f3..1ae251a08c 100644
--- a/Telegram/SourceFiles/window/window_chat_switch_process.cpp
+++ b/Telegram/SourceFiles/window/window_chat_switch_process.cpp
@@ -62,7 +62,7 @@ void CloseInWindows(not_null<Data::Thread*> thread) {
 	using WindowPointer = base::weak_ptr<Window::SessionController>;
 	auto closing = std::vector<WindowPointer>();
 	auto clearing = std::vector<WindowPointer>();
-	for (const auto window : thread->session().windows()) {
+	for (const auto &window : thread->session().windows()) {
 		if (window->windowId().chat() == thread) {
 			closing.push_back(base::make_weak(window));
 		} else if (window->activeChatCurrent().thread() == thread) {
diff --git a/Telegram/SourceFiles/window/window_media_preview.cpp b/Telegram/SourceFiles/window/window_media_preview.cpp
index 7befad08c7..e249310597 100644
--- a/Telegram/SourceFiles/window/window_media_preview.cpp
+++ b/Telegram/SourceFiles/window/window_media_preview.cpp
@@ -153,7 +153,7 @@ void MediaPreviewWidget::paintEvent(QPaintEvent *e) {
 			+ (emojiCount - 1) * st::stickerEmojiSkip;
 		auto emojiLeft = (width() - emojiWidth) / 2;
 		const auto esize = Ui::Emoji::GetSizeLarge();
-		for (const auto emoji : _emojiList) {
+		for (const auto &emoji : _emojiList) {
 			Ui::Emoji::Draw(
 				p,
 				emoji,
diff --git a/Telegram/SourceFiles/window/window_peer_menu.cpp b/Telegram/SourceFiles/window/window_peer_menu.cpp
index c82a775150..e0eb08759b 100644
--- a/Telegram/SourceFiles/window/window_peer_menu.cpp
+++ b/Telegram/SourceFiles/window/window_peer_menu.cpp
@@ -3201,7 +3201,7 @@ base::weak_qptr<Ui::BoxContent> ShowForwardMessagesBox(
 	const auto sendMenuType = [=] {
 		const auto selected = state->box->collectSelectedRows();
 		const auto hasPaid = [&] {
-			for (const auto peer : selected) {
+			for (const auto &peer : selected) {
 				if (peer->starsPerMessageChecked()) {
 					return true;
 				}