Version 2.7.

- Start limitless Voice Chats in Groups and Channels.
- Host discussions that can be listened to
by millions of people simultaneously.
- Record voice chats to share or publish in Channels later.
- See that a chat is being recorded
from the red dot next to its title.
- See user bio texts right from the list of participants.
- Raise your hand to show admins you want to speak.
- Create separate Voice Chat Invite Links for listeners or speakers.
- Change the title of your Voice Chat
to give people an idea of the current topic.
- Join Voice Chats as one of your Channels
to hide your personal account.

Telegram/Resources/langs/lang.strings

@@ -1939,6 +1939,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_call_leave_sure" = "Are you sure you want to leave this voice chat?";
 "lng_group_call_leave_to_other_sure" = "Do you want to leave your active voice chat and join a voice chat in this group?";
 "lng_group_call_create_sure" = "Do you really want to start a voice chat in this group?";
+"lng_group_call_create_sure_channel" = "Are you sure you want to start a voice chat in this channel as your personal account?";
+"lng_group_call_join_sure_personal" = "Are you sure you want to join this voice chat as your personal account?";
 "lng_group_call_also_end" = "End voice chat";
 "lng_group_call_settings_title" = "Settings";
 "lng_group_call_invite" = "Invite Member";

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="2.6.8.0" />
+    Version="2.7.0.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram Messenger LLP</PublisherDisplayName>

Telegram/Resources/winrc/Telegram.rc

@@ -44,8 +44,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,6,8,0
- PRODUCTVERSION 2,6,8,0
+ FILEVERSION 2,7,0,0
+ PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "2.6.8.0"
+            VALUE "FileVersion", "2.7.0.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.6.8.0"
+            VALUE "ProductVersion", "2.7.0.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/Resources/winrc/Updater.rc

@@ -35,8 +35,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,6,8,0
- PRODUCTVERSION 2,6,8,0
+ FILEVERSION 2,7,0,0
+ PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "2.6.8.0"
+            VALUE "FileVersion", "2.7.0.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.6.8.0"
+            VALUE "ProductVersion", "2.7.0.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/SourceFiles/calls/calls_choose_join_as.cpp

@@ -163,6 +163,37 @@ void ChooseJoinAsBox(
 	box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
 }
 
+[[nodiscard]] TextWithEntities CreateOrJoinConfirmation(
+		not_null<PeerData*> peer,
+		ChooseJoinAsProcess::Context context,
+		bool joinAsAlreadyUsed) {
+	const auto existing = peer->groupCall();
+	if (!existing) {
+		return { peer->isBroadcast()
+			? tr::lng_group_call_create_sure_channel(tr::now)
+			: tr::lng_group_call_create_sure(tr::now) };
+	}
+	const auto channel = peer->asChannel();
+	const auto anonymouseAdmin = channel
+		&& ((channel->isMegagroup() && channel->amAnonymous())
+			|| (channel->isBroadcast()
+				&& (channel->amCreator()
+					|| channel->hasAdminRights())));
+	if (anonymouseAdmin && !joinAsAlreadyUsed) {
+		return { tr::lng_group_call_join_sure_personal(tr::now) };
+	} else if (context != ChooseJoinAsProcess::Context::JoinWithConfirm) {
+		return {};
+	}
+	const auto name = !existing->title().isEmpty()
+		? existing->title()
+		: peer->name;
+	return tr::lng_group_call_join_confirm(
+		tr::now,
+		lt_chat,
+		Ui::Text::Bold(name),
+		Ui::Text::WithEntities);
+}
+
 } // namespace
 
 ChooseJoinAsProcess::~ChooseJoinAsProcess() {
@@ -257,31 +288,27 @@ void ChooseJoinAsProcess::start(
 		info.possibleJoinAs = std::move(list);
 
 		const auto onlyByMe = (info.possibleJoinAs.size() == 1)
-			&& (info.possibleJoinAs.front() == self)
-			&& (!peer->isChannel()
-				|| !peer->asChannel()->amAnonymous()
-				|| (peer->isBroadcast() && !peer->canWrite()));
+			&& (info.possibleJoinAs.front() == self);
 
 		// We already joined this voice chat, just rejoin with the same.
 		const auto byAlreadyUsed = selectedId
-			&& (info.joinAs->id == selectedId);
+			&& (info.joinAs->id == selectedId)
+			&& (peer->groupCall() != nullptr);
 
 		if (!changingJoinAsFrom && (onlyByMe || byAlreadyUsed)) {
-			if (context != Context::JoinWithConfirm) {
+			const auto confirmation = CreateOrJoinConfirmation(
+				peer,
+				context,
+				byAlreadyUsed);
+			if (confirmation.text.isEmpty()) {
 				finish(info);
 				return;
 			}
-			const auto real = peer->groupCall();
-			const auto name = (real && !real->title().isEmpty())
-				? real->title()
-				: peer->name;
 			auto box = Box<::ConfirmBox>(
-				tr::lng_group_call_join_confirm(
-					tr::now,
-					lt_chat,
-					Ui::Text::Bold(name),
-					Ui::Text::WithEntities),
-				tr::lng_group_call_join(tr::now),
+				confirmation,
+				(peer->groupCall()
+					? tr::lng_group_call_join(tr::now)
+					: tr::lng_create_group_create(tr::now)),
 				crl::guard(&_request->guard, [=] { finish(info); }));
 			box->boxClosing(
 			) | rpl::start_with_next([=] {

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -722,7 +722,8 @@ void GroupCall::handlePossibleCreateOrJoinResponse(
 		const MTPDupdateGroupCall &data) {
 	data.vcall().match([&](const MTPDgroupCall &data) {
 		handlePossibleCreateOrJoinResponse(data);
-	}, [](const MTPDgroupCallDiscarded &data) {
+	}, [&](const MTPDgroupCallDiscarded &data) {
+		handlePossibleDiscarded(data);
 	});
 }
 
@@ -815,6 +816,14 @@ void GroupCall::handlePossibleCreateOrJoinResponse(
 	});
 }
 
+void GroupCall::handlePossibleDiscarded(const MTPDgroupCallDiscarded &data) {
+	if (data.vid().v == _id) {
+		LOG(("Call Info: Hangup after groupCallDiscarded."));
+		_mySsrc = 0;
+		hangup();
+	}
+}
+
 void GroupCall::addParticipantsToInstance() {
 	const auto real = _peer->groupCall();
 	if (!real
@@ -869,10 +878,7 @@ void GroupCall::handleUpdate(const MTPUpdate &update) {
 void GroupCall::handleUpdate(const MTPDupdateGroupCall &data) {
 	data.vcall().match([](const MTPDgroupCall &) {
 	}, [&](const MTPDgroupCallDiscarded &data) {
-		if (data.vid().v == _id) {
-			_mySsrc = 0;
-			hangup();
-		}
+		handlePossibleDiscarded(data);
 	});
 }
 
@@ -1129,7 +1135,8 @@ void GroupCall::broadcastPartStart(std::shared_ptr<LoadPartTask> task) {
 			});
 		});
 	}).fail([=](const MTP::Error &error, const MTP::Response &response) {
-		if (error.type() == u"GROUPCALL_JOIN_MISSING"_q) {
+		if (error.type() == u"GROUPCALL_JOIN_MISSING"_q
+			|| error.type() == u"GROUPCALL_FORBIDDEN"_q) {
 			for (const auto &[task, part] : _broadcastParts) {
 				_api.request(part.requestId).cancel();
 			}

Telegram/SourceFiles/calls/calls_group_call.h

@@ -228,6 +228,7 @@ private:
 	};
 
 	void handlePossibleCreateOrJoinResponse(const MTPDgroupCall &data);
+	void handlePossibleDiscarded(const MTPDgroupCallDiscarded &data);
 	void handleUpdate(const MTPDupdateGroupCall &data);
 	void handleUpdate(const MTPDupdateGroupCallParticipants &data);
 	void handleRequestError(const MTP::Error &error);

Telegram/SourceFiles/core/version.h

@@ -22,7 +22,7 @@ constexpr auto AppId = "{53F49750-6209-4FBF-9CA8-7A333C87D1ED}"_cs;
 constexpr auto AppNameOld = "Telegram Win (Unofficial)"_cs;
 constexpr auto AppName = "Telegram Desktop"_cs;
 constexpr auto AppFile = "Telegram"_cs;
-constexpr auto AppVersion = 2006008;
-constexpr auto AppVersionStr = "2.6.8";
-constexpr auto AppBetaVersion = true;
+constexpr auto AppVersion = 2007000;
+constexpr auto AppVersionStr = "2.7";
+constexpr auto AppBetaVersion = false;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;

Telegram/SourceFiles/data/data_group_call.cpp

@@ -218,7 +218,7 @@ void GroupCall::enqueueUpdate(const MTPUpdate &update) {
 				_queuedUpdates.emplace(std::pair{ version, type }, update);
 			}
 		}, [&](const MTPDgroupCallDiscarded &data) {
-			discard();
+			discard(data);
 		});
 	}, [&](const MTPDupdateGroupCallParticipants &updateData) {
 		const auto version = updateData.vversion().v;
@@ -255,7 +255,7 @@ void GroupCall::enqueueUpdate(const MTPUpdate &update) {
 	processQueuedUpdates();
 }
 
-void GroupCall::discard() {
+void GroupCall::discard(const MTPDgroupCallDiscarded &data) {
 	const auto id = _id;
 	const auto peer = _peer;
 	crl::on_main(&peer->session(), [=] {
@@ -267,6 +267,14 @@ void GroupCall::discard() {
 			}
 		}
 	});
+	Core::App().calls().applyGroupCallUpdateChecked(
+		&peer->session(),
+		MTP_updateGroupCall(
+			MTP_int(peer->bareId()),
+			MTP_groupCallDiscarded(
+				data.vid(),
+				data.vaccess_hash(),
+				data.vduration())));
 }
 
 void GroupCall::processFullCallUsersChats(const MTPphone_GroupCall &call) {
@@ -293,7 +301,7 @@ void GroupCall::processFullCallFields(const MTPphone_GroupCall &call) {
 
 			applyCallFields(data);
 		}, [&](const MTPDgroupCallDiscarded &data) {
-			discard();
+			discard(data);
 		});
 	});
 }
@@ -343,7 +351,7 @@ void GroupCall::applyEnqueuedUpdate(const MTPUpdate &update) {
 			applyCallFields(data);
 			computeParticipantsCount();
 		}, [&](const MTPDgroupCallDiscarded &data) {
-			discard();
+			discard(data);
 		});
 	}, [&](const MTPDupdateGroupCallParticipants &data) {
 		DEBUG_LOG(("Group Call Participants: "

Telegram/SourceFiles/data/data_group_call.h

@@ -120,7 +120,7 @@ private:
 	};
 	[[nodiscard]] ApiWrap &api() const;
 
-	void discard();
+	void discard(const MTPDgroupCallDiscarded &data);
 	[[nodiscard]] bool inCall() const;
 	void applyParticipantsSlice(
 		const QVector<MTPGroupCallParticipant> &list,

Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp

@@ -558,7 +558,7 @@ void GroupThumbs::fillItems(
 	const auto current = (index - from);
 	const auto old = base::take(_items);
 
-	ValidateSlice(slice, _context, from, index, till);
+	//ValidateSlice(slice, _context, from, index, till);
 
 	markCacheStale();
 	_items.reserve(till - from);
@@ -587,17 +587,21 @@ void GroupThumbs::animateAliveItems(int current) {
 }
 
 void GroupThumbs::fillDyingItems(const std::vector<not_null<Thumb*>> &old) {
-	Expects(_cache.size() >= _items.size());
+	//Expects(_cache.size() >= _items.size());
 
-	_dying.reserve(_cache.size() - _items.size());
+	if (_cache.size() >= _items.size()) {
+		_dying.reserve(_cache.size() - _items.size());
+	}
 	animatePreviouslyAlive(old);
 	markRestAsDying();
 }
 
 void GroupThumbs::markRestAsDying() {
-	Expects(_cache.size() >= _items.size());
+	//Expects(_cache.size() >= _items.size());
 
-	_dying.reserve(_cache.size() - _items.size());
+	if (_cache.size() >= _items.size()) {
+		_dying.reserve(_cache.size() - _items.size());
+	}
 	for (const auto &cacheItem : _cache) {
 		const auto &thumb = cacheItem.second;
 		const auto state = thumb->state();

Telegram/build/version

@@ -1,7 +1,7 @@
-AppVersion         2006008
-AppVersionStrMajor 2.6
-AppVersionStrSmall 2.6.8
-AppVersionStr      2.6.8
-BetaChannel        1
+AppVersion         2007000
+AppVersionStrMajor 2.7
+AppVersionStrSmall 2.7
+AppVersionStr      2.7.0
+BetaChannel        0
 AlphaVersion       0
-AppVersionOriginal 2.6.8.beta
+AppVersionOriginal 2.7

changelog.txt

@@ -1,3 +1,15 @@
+2.7 (19.03.21)
+
+- Start limitless Voice Chats in Groups and Channels.
+- Host discussions that can be listened to by millions of people simultaneously.
+- Record voice chats to share or publish in Channels later.
+- See that a chat is being recorded from the red dot next to its title.
+- See user bio texts right from the list of participants.
+- Raise your hand to show admins you want to speak.
+- Create separate Voice Chat Invite Links for listeners or speakers.
+- Change the title of your Voice Chat to give people an idea of the current topic.
+- Join Voice Chats as one of your Channels to hide your personal account.
+
 2.6.8 beta (18.03.21)
 
 - Fix connecting and getting allowed to speak on voice chats.