diff --git a/Telegram/Resources/lang.strings b/Telegram/Resources/lang.strings
index 058d2fff3..a56ffb0fa 100644
--- a/Telegram/Resources/lang.strings
+++ b/Telegram/Resources/lang.strings
@@ -583,8 +583,10 @@ Copyright (c) 2014-2015 John Preston, https://desktop.telegram.org
 "lng_stickers_default_set" = "Great Minds";
 "lng_stickers_you_have" = "Manage and reorder sticker packs";
 "lng_stickers_packs" = "Sticker Packs";
-"lng_stickers_remove" = "Remove";
-"lng_stickers_return" = "Return";
+"lng_stickers_reorder" = "Click and drag to reorder sticker packs";
+"lng_stickers_remove" = "Delete";
+"lng_stickers_return" = "Undo";
+"lng_stickers_restore" = "Restore";
 "lng_stickers_count" = "{count:Loading..|# sticker|# stickers}";
 
 "lng_in_dlg_photo" = "Photo";
diff --git a/Telegram/Resources/style.txt b/Telegram/Resources/style.txt
index 811308898..bc3a44720 100644
--- a/Telegram/Resources/style.txt
+++ b/Telegram/Resources/style.txt
@@ -1424,12 +1424,13 @@ contactsNewItemIconPosition: point(29px, 19px);
 contactsNewItemTop: 18px;
 contactsNewItemFg: #4b82af;
 contactsAboutBg: #f7f7f7;
+contactsAboutShadow: #0000001F;
 contactsAdminCheckbox: Checkbox(defaultCheckbox) {
 	font: semiboldFont;
 	textBg: #f7f7f7;
 	textPosition: point(34px, 1px);
 }
-contactsAboutHeight: 80px;
+contactsAboutHeight: 42px;
 contactsAboutTop: 9px;
 contactsScroll: flatScroll(boxScroll) {
 	deltab: 0px;
@@ -1794,6 +1795,8 @@ stickersScroll: flatScroll(boxScroll) {
 	deltat: 23px;
 	deltab: 9px;
 }
+stickersReorderPadding: margins(0px, 12px, 0px, 12px);
+stickersReorderFg: #777;
 stickersRowDisabledOpacity: 0.4;
 stickersRowDuration: 200;
 
@@ -1938,11 +1941,11 @@ stickerIconLeft: sprite(342px, 72px, 40px, 1px);
 stickerIconRight: sprite(342px, 73px, 40px, 1px);
 stickerIconMove: 400;
 
-verifiedCheckProfile: sprite(285px, 240px, 22px, 22px);
-verifiedCheckProfilePos: point(9px, 4px);
-verifiedCheck: sprite(285px, 221px, 19px, 19px);
-verifiedCheckInv: sprite(304px, 221px, 19px, 19px);
-verifiedCheckPos: point(5px, 0px);
+verifiedCheckProfile: sprite(285px, 235px, 18px, 18px);
+verifiedCheckProfilePos: point(7px, 6px);
+verifiedCheck: sprite(285px, 221px, 14px, 14px);
+verifiedCheckInv: sprite(299px, 221px, 14px, 14px);
+verifiedCheckPos: point(4px, 2px);
 
 botKbDuration: 200;
 botKbBg: #f7f7f7;
diff --git a/Telegram/SourceFiles/art/sprite.png b/Telegram/SourceFiles/art/sprite.png
index 29c40d452..b40fa3297 100644
Binary files a/Telegram/SourceFiles/art/sprite.png and b/Telegram/SourceFiles/art/sprite.png differ
diff --git a/Telegram/SourceFiles/art/sprite_200x.png b/Telegram/SourceFiles/art/sprite_200x.png
index 54a166f61..05d810234 100644
Binary files a/Telegram/SourceFiles/art/sprite_200x.png and b/Telegram/SourceFiles/art/sprite_200x.png differ
diff --git a/Telegram/SourceFiles/boxes/contactsbox.cpp b/Telegram/SourceFiles/boxes/contactsbox.cpp
index 8039c4784..3c6c7b18d 100644
--- a/Telegram/SourceFiles/boxes/contactsbox.cpp
+++ b/Telegram/SourceFiles/boxes/contactsbox.cpp
@@ -94,7 +94,7 @@ namespace {
 
 ContactsInner::ContactsInner(ChatData *chat, MembersFilter membersFilter) : TWidget()
 , _rowHeight(st::contactsPadding.top() + st::contactsPhotoSize + st::contactsPadding.bottom())
-, _newItemHeight((membersFilter == MembersFilterAdmins) ? (st::contactsNewItemHeight + st::contactsAboutHeight) : 0)
+, _newItemHeight(0)
 , _newItemSel(false)
 , _chat(chat)
 , _channel(0)
@@ -119,8 +119,11 @@ ContactsInner::ContactsInner(ChatData *chat, MembersFilter membersFilter) : TWid
 , _addContactLnk(this, lang(lng_add_contact_button))
 , _saving(false) {
 	initList();
-	if (membersFilter == MembersFilterAdmins && !_contacts->list.count) {
-		App::api()->requestFullPeer(_chat);
+	if (membersFilter == MembersFilterAdmins) {
+		_newItemHeight = st::contactsNewItemHeight + qMax(_aboutAllAdmins.countHeight(_aboutWidth), _aboutAdmins.countHeight(_aboutWidth)) + st::contactsAboutHeight;
+		if (!_contacts->list.count) {
+			App::api()->requestFullPeer(_chat);
+		}
 	}
 	init();
 }
@@ -775,9 +778,9 @@ void ContactsInner::changeCheckState(ContactData *data, PeerData *peer) {
 int32 ContactsInner::selectedCount() const {
 	int32 result = _selCount;
 	if (_chat) {
-		result += (_chat->count > 0) ? _chat->count : 1;
+		result += qMax(_chat->count, 1);
 	} else if (_channel) {
-		result += _already.size();
+		result += qMax(_channel->count, _already.size());
 	} else if (_creating == CreatingGroupGroup) {
 		result += 1;
 	}
diff --git a/Telegram/SourceFiles/boxes/stickersetbox.cpp b/Telegram/SourceFiles/boxes/stickersetbox.cpp
index b71970649..cfa0790d3 100644
--- a/Telegram/SourceFiles/boxes/stickersetbox.cpp
+++ b/Telegram/SourceFiles/boxes/stickersetbox.cpp
@@ -334,11 +334,13 @@ StickersInner::StickersInner() : TWidget()
 , _aboveShadowFadeStart(0)
 , _aboveShadowFadeOpacity(0, 0)
 , _a_shifting(animFunc(this, &StickersInner::animStep_shifting))
+, _itemsTop(st::membersPadding.top())
 , _saving(false)
 , _removeSel(-1)
 , _removeDown(-1)
 , _removeWidth(st::normalFont->width(lang(lng_stickers_remove)))
 , _returnWidth(st::normalFont->width(lang(lng_stickers_return)))
+, _restoreWidth(st::normalFont->width(lang(lng_stickers_restore)))
 , _selected(-1)
 , _started(-1)
 , _dragging(-1)
@@ -357,14 +359,14 @@ void StickersInner::paintEvent(QPaintEvent *e) {
 
 	p.fillRect(r, st::white);
 	p.setClipRect(r);
-
-	int32 yFrom = r.y() - st::membersPadding.top(), yTo = r.y() + r.height() - st::membersPadding.top();
-	p.translate(0, st::membersPadding.top());
 	if (_rows.isEmpty()) {
 		p.setFont(st::noContactsFont->f);
 		p.setPen(st::noContactsColor->p);
 		p.drawText(QRect(0, 0, width(), st::noContactsHeight), lang(lng_contacts_loading), style::al_center);
 	} else {
+		p.translate(0, _itemsTop);
+
+		int32 yFrom = r.y() - _itemsTop, yTo = r.y() + r.height() - _itemsTop;
 		int32 from = floorclamp(yFrom - _rowHeight, _rowHeight, 0, _rows.size());
 		int32 to = ceilclamp(yTo + _rowHeight, _rowHeight, 0, _rows.size());
 		p.translate(0, from * _rowHeight);
@@ -396,7 +398,9 @@ void StickersInner::paintRow(Painter &p, int32 index) {
 	} else {
 		p.setPen(st::btnDefLink.color->p);
 	}
-	p.drawTextRight(st::contactsPadding.right() + st::contactsCheckPosition.x(), st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, width(), lang(s->disabled ? lng_stickers_return : lng_stickers_remove), s->disabled ? _returnWidth : _removeWidth);
+	int32 remWidth = s->disabled ? (s->official ? _restoreWidth : _returnWidth) : _removeWidth;
+	QString remText = lang(s->disabled ? (s->official ? lng_stickers_restore : lng_stickers_return) : lng_stickers_remove);
+	p.drawTextRight(st::contactsPadding.right() + st::contactsCheckPosition.x(), st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, width(), remText, remWidth);
 
 	if (index == _above) {
 		float64 current = _aboveShadowFadeOpacity.current();
@@ -441,7 +445,7 @@ void StickersInner::mousePressEvent(QMouseEvent *e) {
 	onUpdateSelected();
 	if (_removeSel >= 0) {
 		_removeDown = _removeSel;
-		update(0, st::membersPadding.top() + _removeSel * _rowHeight, width(), _rowHeight);
+		update(0, _itemsTop + _removeSel * _rowHeight, width(), _rowHeight);
 	} else if (_selected >= 0) {
 		_above = _dragging = _started = _selected;
 		_dragStart = mapFromGlobal(_mouse);
@@ -489,14 +493,14 @@ void StickersInner::onUpdateSelected() {
 
 		emit checkDraggingScroll(local.y());
 	} else {
-		bool in = rect().marginsRemoved(QMargins(0, st::membersPadding.top(), 0, st::membersPadding.bottom())).contains(local);
-		_selected = in ? floorclamp(local.y() - st::membersPadding.top(), _rowHeight, 0, _rows.size() - 1) : -1;
+		bool in = rect().marginsRemoved(QMargins(0, _itemsTop, 0, st::membersPadding.bottom())).contains(local);
+		_selected = in ? floorclamp(local.y() - _itemsTop, _rowHeight, 0, _rows.size() - 1) : -1;
 		int32 removeSel = -1;
 
 		if (_selected >= 0) {
-			int32 remw = _rows.at(_selected)->disabled ? _returnWidth : _removeWidth;
+			int32 remw = _rows.at(_selected)->disabled ? (_rows.at(_selected)->official ? _restoreWidth : _returnWidth) : _removeWidth;
 			QRect rem(myrtlrect(width() - st::contactsPadding.right() - st::contactsCheckPosition.x() - remw, st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, remw, st::normalFont->height));
-			removeSel = rem.contains(local.x(), local.y() - st::membersPadding.top() - _selected * _rowHeight) ? _selected : -1;
+			removeSel = rem.contains(local.x(), local.y() - _itemsTop - _selected * _rowHeight) ? _selected : -1;
 		}
 		setRemoveSel(removeSel);
 		emit noDraggingScroll();
@@ -529,7 +533,7 @@ void StickersInner::mouseReleaseEvent(QMouseEvent *e) {
 		_dragging = _started = -1;
 	}
 	if (_removeDown >= 0) {
-		update(0, st::membersPadding.top() + _removeDown * _rowHeight, width(), _rowHeight);
+		update(0, _itemsTop + _removeDown * _rowHeight, width(), _rowHeight);
 		_removeDown = -1;
 	}
 }
@@ -551,7 +555,7 @@ void StickersInner::updateAnimatedRegions() {
 		if (updateMax < _dragging) updateMax = _dragging;
 	}
 	if (updateMin >= 0) {
-		update(0, st::membersPadding.top() + _rowHeight * (updateMin - 1), width(), _rowHeight * (updateMax - updateMin + 3));
+		update(0, _itemsTop + _rowHeight * (updateMin - 1), width(), _rowHeight * (updateMax - updateMin + 3));
 	}
 }
 
@@ -610,9 +614,9 @@ void StickersInner::clear() {
 
 void StickersInner::setRemoveSel(int32 removeSel) {
 	if (removeSel != _removeSel) {
-		if (_removeSel >= 0) update(0, st::membersPadding.top() + _removeSel * _rowHeight, width(), _rowHeight);
+		if (_removeSel >= 0) update(0, _itemsTop + _removeSel * _rowHeight, width(), _rowHeight);
 		_removeSel = removeSel;
-		if (_removeSel >= 0) update(0, st::membersPadding.top() + _removeSel * _rowHeight, width(), _rowHeight);
+		if (_removeSel >= 0) update(0, _itemsTop + _removeSel * _rowHeight, width(), _rowHeight);
 		setCursor((_removeSel >= 0 && (_removeDown < 0 || _removeDown == _removeSel)) ? style::cur_pointer : style::cur_default);
 	}
 }
@@ -621,7 +625,7 @@ void StickersInner::rebuild() {
 	QList<StickerSetRow*> rows, rowsDisabled;
 
 	int32 namex = st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left();
-	int32 namew = st::boxWideWidth - namex - st::contactsPadding.right() - st::contactsCheckPosition.x() - qMax(_returnWidth, _removeWidth);
+	int32 namew = st::boxWideWidth - namex - st::contactsPadding.right() - st::contactsCheckPosition.x() - qMax(qMax(_returnWidth, _removeWidth), _restoreWidth);
 
 	clear();
 	const StickerSetsOrder &order(cStickerSetsOrder());
@@ -656,7 +660,8 @@ void StickersInner::rebuild() {
 			if (titleWidth > namew) {
 				title = st::contactsNameFont->elided(title, namew);
 			}
-			(disabled ? rowsDisabled : rows).push_back(new StickerSetRow(it->id, sticker, it->stickers.size(), title, disabled, pixw, pixh));
+			bool official = (it->flags & MTPDstickerSet::flag_official);
+			(disabled ? rowsDisabled : rows).push_back(new StickerSetRow(it->id, sticker, it->stickers.size(), title, official, disabled, pixw, pixh));
 			_animStartTimes.push_back(0);
 			if (it->stickers.isEmpty() || (it->flags & MTPDstickerSet_flag_NOT_LOADED)) {
 				App::api()->scheduleStickerSetRequest(it->id, it->access);
@@ -665,7 +670,7 @@ void StickersInner::rebuild() {
 	}
 	App::api()->requestStickerSets();
 	_rows = rows + rowsDisabled;
-	resize(width(), st::membersPadding.top() + _rows.size() * _rowHeight + st::membersPadding.bottom());
+	resize(width(), _itemsTop + _rows.size() * _rowHeight + st::membersPadding.bottom());
 }
 
 QVector<uint64> StickersInner::getOrder() const {
@@ -706,8 +711,13 @@ StickersBox::StickersBox() : ItemListBox(st::boxScroll)
 , _save(this, lang(lng_settings_save), st::defaultBoxButton)
 , _cancel(this, lang(lng_cancel), st::cancelBoxButton)
 , _reorderRequest(0)
-, _bottomShadow(this) {
-	ItemListBox::init(&_inner, st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom());
+, _topShadow(this, st::contactsAboutShadow)
+, _bottomShadow(this)
+, _scrollDelta(0)
+, _aboutWidth(st::boxWideWidth - st::contactsPadding.left() - st::contactsPhotoSize - st::contactsPadding.left() - st::contactsPadding.right())
+, _about(st::boxTextFont, lang(lng_stickers_reorder), _defaultOptions, _aboutWidth)
+, _aboutHeight(st::stickersReorderPadding.top() + _about.countHeight(_aboutWidth) + st::stickersReorderPadding.bottom()) {
+	ItemListBox::init(&_inner, st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom(), st::boxTitleHeight + _aboutHeight);
 	setMaxHeight(snap(countHeight(), int32(st::sessionsHeight), int32(st::boxMaxListHeight)));
 
 	connect(App::main(), SIGNAL(stickersUpdated()), this, SLOT(onStickersUpdated()));
@@ -727,7 +737,7 @@ StickersBox::StickersBox() : ItemListBox(st::boxScroll)
 }
 
 int32 StickersBox::countHeight() const {
-	return st::boxTitleHeight + _inner.height() + st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom();
+	return st::boxTitleHeight + _aboutHeight + _inner.height() + st::boxButtonPadding.top() + _save.height() + st::boxButtonPadding.bottom();
 }
 
 void StickersBox::disenableDone(const MTPBool & result, mtpRequestId req) {
@@ -780,6 +790,10 @@ void StickersBox::paintEvent(QPaintEvent *e) {
 
 	paintTitle(p, lang(lng_stickers_packs));
 	p.translate(0, st::boxTitleHeight);
+
+	p.fillRect(0, 0, width(), _aboutHeight, st::contactsAboutBg);
+	p.setPen(st::stickersReorderFg);
+	_about.drawLeft(p, st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left(), st::stickersReorderPadding.top(), _aboutWidth, width());
 }
 
 void StickersBox::closePressed() {
@@ -803,6 +817,7 @@ void StickersBox::resizeEvent(QResizeEvent *e) {
 	_save.moveToRight(st::boxButtonPadding.right(), height() - st::boxButtonPadding.bottom() - _save.height());
 	_cancel.moveToRight(st::boxButtonPadding.right() + _save.width() + st::boxButtonPadding.left(), _save.y());
 	_inner.resize(width(), _inner.height());
+	_topShadow.setGeometry(0, st::boxTitleHeight + _aboutHeight, width(), st::lineWidth);
 	_bottomShadow.setGeometry(0, height() - st::boxButtonPadding.bottom() - _save.height() - st::boxButtonPadding.top() - st::lineWidth, width(), st::lineWidth);
 	_inner.setVisibleScrollbar((_scroll.scrollTopMax() > 0) ? (st::boxScroll.width - st::boxScroll.deltax) : 0);
 }
@@ -908,6 +923,7 @@ void StickersBox::onSave() {
 void StickersBox::hideAll() {
 	_save.hide();
 	_cancel.hide();
+	_topShadow.hide();
 	_bottomShadow.hide();
 	ItemListBox::hideAll();
 }
@@ -915,6 +931,7 @@ void StickersBox::hideAll() {
 void StickersBox::showAll() {
 	_save.show();
 	_cancel.show();
+	_topShadow.show();
 	_bottomShadow.show();
 	ItemListBox::showAll();
 }
diff --git a/Telegram/SourceFiles/boxes/stickersetbox.h b/Telegram/SourceFiles/boxes/stickersetbox.h
index 3b8b239c1..b896c8af4 100644
--- a/Telegram/SourceFiles/boxes/stickersetbox.h
+++ b/Telegram/SourceFiles/boxes/stickersetbox.h
@@ -154,10 +154,11 @@ private:
 
 	int32 _rowHeight;
 	struct StickerSetRow {
-		StickerSetRow(uint64 id, DocumentData *sticker, int32 count, const QString &title, bool disabled, int32 pixw, int32 pixh) : id(id)
+		StickerSetRow(uint64 id, DocumentData *sticker, int32 count, const QString &title, bool official, bool disabled, int32 pixw, int32 pixh) : id(id)
 			, sticker(sticker)
 			, count(count)
 			, title(title)
+			, official(official)
 			, disabled(disabled)
 			, pixw(pixw)
 			, pixh(pixh)
@@ -167,7 +168,7 @@ private:
 		DocumentData *sticker;
 		int32 count;
 		QString title;
-		bool disabled;
+		bool official, disabled;
 		int32 pixw, pixh;
 		anim::ivalue yadd;
 	};
@@ -178,9 +179,11 @@ private:
 	anim::fvalue _aboveShadowFadeOpacity;
 	Animation _a_shifting;
 
+	int32 _itemsTop;
+
 	bool _saving;
 
-	int32 _removeSel, _removeDown, _removeWidth, _returnWidth;
+	int32 _removeSel, _removeDown, _removeWidth, _returnWidth, _restoreWidth;
 
 	QPoint _mouse;
 	int32 _selected;
@@ -232,11 +235,16 @@ private:
 	BoxButton _save, _cancel;
 	QMap<mtpRequestId, NullType> _disenableRequests;
 	mtpRequestId _reorderRequest;
+	PlainShadow _topShadow;
 	ScrollableBoxShadow _bottomShadow;
 
 	QTimer _scrollTimer;
 	int32 _scrollDelta;
 
+	int32 _aboutWidth;
+	Text _about;
+	int32 _aboutHeight;
+
 };
 
 int32 stickerPacksCount(bool includeDisabledOfficial = false);
diff --git a/Telegram/SourceFiles/config.h b/Telegram/SourceFiles/config.h
index 992b92152..c36eede31 100644
--- a/Telegram/SourceFiles/config.h
+++ b/Telegram/SourceFiles/config.h
@@ -59,6 +59,8 @@ enum {
 
 	MTPDebugBufferSize = 1024 * 1024, // 1 mb start size
 
+	MaxUsersPerInvite = 100, // max users in one super group invite request
+
 	MTPPingDelayDisconnect = 60, // 1 min
 	MTPPingSendAfterAuto = 30, // send new ping starting from 30 seconds (add to existing container)
 	MTPPingSendAfter = 45, // send new ping after 45 seconds without ping
diff --git a/Telegram/SourceFiles/dialogswidget.cpp b/Telegram/SourceFiles/dialogswidget.cpp
index bf7d794a7..56d96241d 100644
--- a/Telegram/SourceFiles/dialogswidget.cpp
+++ b/Telegram/SourceFiles/dialogswidget.cpp
@@ -56,6 +56,7 @@ DialogsInner::DialogsInner(QWidget *parent, MainWidget *main) : SplittedWidget(p
 , _searchInPeer(0)
 , _searchInMigrated(0)
 , _menuPeer(0)
+, _menuActionPeer(0)
 , _menu(0) {
 	connect(App::wnd(), SIGNAL(imageLoaded()), this, SLOT(update()));
 	connect(main, SIGNAL(peerNameChanged(PeerData*, const PeerData::Names&, const PeerData::NameFirstChars&)), this, SLOT(onPeerNameChanged(PeerData*, const PeerData::Names&, const PeerData::NameFirstChars&)));
@@ -64,7 +65,7 @@ DialogsInner::DialogsInner(QWidget *parent, MainWidget *main) : SplittedWidget(p
 	connect(&_addContactLnk, SIGNAL(clicked()), App::wnd(), SLOT(onShowAddContact()));
 	connect(&_cancelSearchInPeer, SIGNAL(clicked()), this, SIGNAL(cancelSearchInPeer()));
 	_cancelSearchInPeer.hide();
-	refresh(false);
+	refresh();
 }
 
 int32 DialogsInner::filteredOffset() const {
@@ -608,6 +609,7 @@ void DialogsInner::contextMenuEvent(QContextMenuEvent *e) {
 		_menuPeer = 0;
 		disconnect(App::main(), SIGNAL(peerUpdated(PeerData*)), this, SLOT(peerUpdated(PeerData*)));
 	}
+
 	if (e->reason() == QContextMenuEvent::Mouse) {
 		lastMousePos = e->globalPos();
 		selByMouse = true;
@@ -632,8 +634,10 @@ void DialogsInner::contextMenuEvent(QContextMenuEvent *e) {
 	if (_menuPeer->isUser()) {
 		_menu->addAction(lang(lng_profile_clear_history), this, SLOT(onContextClearHistory()))->setEnabled(true);
 		_menu->addAction(lang(lng_profile_delete_conversation), this, SLOT(onContextDeleteAndLeave()))->setEnabled(true);
-		_menu->addAction(lang((_menuPeer->asUser()->blocked == UserIsBlocked) ? (_menuPeer->asUser()->botInfo ? lng_profile_unblock_bot : lng_profile_unblock_user) : (_menuPeer->asUser()->botInfo ? lng_profile_block_bot : lng_profile_block_user)), this, SLOT(onContextToggleBlock()))->setEnabled(true);
-		connect(App::main(), SIGNAL(peerUpdated(PeerData*)), this, SLOT(peerUpdated(PeerData*)));
+		if (_menuPeer->asUser()->access != UserNoAccess) {
+			_menu->addAction(lang((_menuPeer->asUser()->blocked == UserIsBlocked) ? (_menuPeer->asUser()->botInfo ? lng_profile_unblock_bot : lng_profile_unblock_user) : (_menuPeer->asUser()->botInfo ? lng_profile_block_bot : lng_profile_block_user)), this, SLOT(onContextToggleBlock()))->setEnabled(true);
+			connect(App::main(), SIGNAL(peerUpdated(PeerData*)), this, SLOT(peerUpdated(PeerData*)));
+		}
 	} else if (_menuPeer->isChat()) {
 		_menu->addAction(lang(lng_profile_clear_history), this, SLOT(onContextClearHistory()))->setEnabled(true);
 		_menu->addAction(lang(lng_profile_clear_and_exit), this, SLOT(onContextDeleteAndLeave()))->setEnabled(true);
@@ -667,39 +671,42 @@ void DialogsInner::onContextSearch() {
 
 void DialogsInner::onContextClearHistory() {
 	if (!_menuPeer || _menuPeer->isChannel()) return;
+
+	_menuActionPeer = _menuPeer;
 	ConfirmBox *box = new ConfirmBox(_menuPeer->isUser() ? lng_sure_delete_history(lt_contact, _menuPeer->name) : lng_sure_delete_group_history(lt_group, _menuPeer->name), lang(lng_box_delete), st::attentionBoxButton);
 	connect(box, SIGNAL(confirmed()), this, SLOT(onContextClearHistorySure()));
 	App::showLayer(box);
 }
 
 void DialogsInner::onContextClearHistorySure() {
-	if (!_menuPeer || _menuPeer->isChannel()) return;
+	if (!_menuActionPeer || _menuActionPeer->isChannel()) return;
 	App::wnd()->hideLayer();
-	App::main()->clearHistory(_menuPeer);
+	App::main()->clearHistory(_menuActionPeer);
 }
 
 void DialogsInner::onContextDeleteAndLeave() {
 	if (!_menuPeer) return;
+
+	_menuActionPeer = _menuPeer;
 	ConfirmBox *box = new ConfirmBox(_menuPeer->isUser() ? lng_sure_delete_history(lt_contact, _menuPeer->name) : (_menuPeer->isChat() ? lng_sure_delete_and_exit(lt_group, _menuPeer->name) : lang(_menuPeer->isMegagroup() ? lng_sure_leave_group : lng_sure_leave_channel)), lang(_menuPeer->isUser() ? lng_box_delete : lng_box_leave), _menuPeer->isChannel() ? st::defaultBoxButton : st::attentionBoxButton);
 	connect(box, SIGNAL(confirmed()), this, SLOT(onContextDeleteAndLeaveSure()));
 	App::wnd()->showLayer(box);
 }
 
 void DialogsInner::onContextDeleteAndLeaveSure() {
-	if (!_menuPeer) return;
-	if (_menuPeer->isUser()) {
-		App::main()->deleteConversation(_menuPeer);
-	} else if (_menuPeer->isChat()) {
-		App::wnd()->hideLayer();
-		App::main()->showDialogs();
-		MTP::send(MTPmessages_DeleteChatUser(_menuPeer->asChat()->inputChat, App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistoryAfterLeave, _menuPeer), App::main()->rpcFail(&MainWidget::leaveChatFailed, _menuPeer));
-	} else if (_menuPeer->isChannel()) {
-		App::wnd()->hideLayer();
-		App::main()->showDialogs();
-		if (_menuPeer->migrateFrom()) {
-			App::main()->deleteConversation(_menuPeer->migrateFrom());
+	if (!_menuActionPeer) return;
+
+	App::wnd()->hideLayer();
+	App::main()->showDialogs();
+	if (_menuActionPeer->isUser()) {
+		App::main()->deleteConversation(_menuActionPeer);
+	} else if (_menuActionPeer->isChat()) {
+		MTP::send(MTPmessages_DeleteChatUser(_menuActionPeer->asChat()->inputChat, App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistoryAfterLeave, _menuActionPeer), App::main()->rpcFail(&MainWidget::leaveChatFailed, _menuActionPeer));
+	} else if (_menuActionPeer->isChannel()) {
+		if (_menuActionPeer->migrateFrom()) {
+			App::main()->deleteConversation(_menuActionPeer->migrateFrom());
 		}
-		MTP::send(MTPchannels_LeaveChannel(_menuPeer->asChannel()->inputChannel), App::main()->rpcDone(&MainWidget::sentUpdatesReceived));
+		MTP::send(MTPchannels_LeaveChannel(_menuActionPeer->asChannel()->inputChannel), App::main()->rpcDone(&MainWidget::sentUpdatesReceived));
 	}
 }
 
@@ -919,13 +926,13 @@ void DialogsInner::itemReplaced(HistoryItem *oldItem, HistoryItem *newItem) {
 }
 
 void DialogsInner::updateNotifySettings(PeerData *peer) {
-	if (_menu && _menuPeer == peer) {
+	if (_menu && _menuPeer == peer && _menu->actions().size() > 1) {
 		_menu->actions().at(1)->setText(lang(menuPeerMuted() ? lng_enable_notifications_from_tray : lng_disable_notifications_from_tray));
 	}
 }
 
 void DialogsInner::peerUpdated(PeerData *peer) {
-	if (_menu && _menuPeer == peer && _menuPeer->isUser()) {
+	if (_menu && _menuPeer == peer && _menuPeer->isUser() && _menu->actions().size() > 5) {
 		_menu->actions().at(5)->setText(lang((_menuPeer->asUser()->blocked == UserIsBlocked) ? (_menuPeer->asUser()->botInfo ? lng_profile_unblock_bot : lng_profile_unblock_user) : (_menuPeer->asUser()->botInfo ? lng_profile_block_bot : lng_profile_block_user)));
 	}
 }
@@ -1175,7 +1182,6 @@ void DialogsInner::setState(State newState) {
 		_filteredSel = -1;
 	}
 	onFilterUpdate(_filter, true);
-	refresh(true);
 }
 
 DialogsInner::State DialogsInner::state() const {
@@ -1848,7 +1854,9 @@ bool DialogsWidget::animStep_show(float64 ms) {
 
 		_scroll.show();
 		_filter.show();
-		onFilterUpdate(true);
+		_a_show.stop();
+
+		onFilterUpdate();
 		activate();
 
 		if (App::app()) App::app()->mtpUnpause();
diff --git a/Telegram/SourceFiles/dialogswidget.h b/Telegram/SourceFiles/dialogswidget.h
index eaea775e7..602774d23 100644
--- a/Telegram/SourceFiles/dialogswidget.h
+++ b/Telegram/SourceFiles/dialogswidget.h
@@ -204,7 +204,7 @@ private:
 
 	bool _overDelete;
 
-	PeerData *_searchInPeer, *_searchInMigrated, *_menuPeer;
+	PeerData *_searchInPeer, *_searchInMigrated, *_menuPeer, *_menuActionPeer;
 
 	PopupMenu *_menu;
 
diff --git a/Telegram/SourceFiles/historywidget.cpp b/Telegram/SourceFiles/historywidget.cpp
index 9044026ca..a50e56abd 100644
--- a/Telegram/SourceFiles/historywidget.cpp
+++ b/Telegram/SourceFiles/historywidget.cpp
@@ -4252,7 +4252,7 @@ void HistoryWidget::blockDone(PeerData *peer, const MTPBool &result) {
 }
 
 void HistoryWidget::onBotStart() {
-	if (!_peer || !_peer->isUser() || !_peer->asUser()->botInfo) {
+	if (!_peer || !_peer->isUser() || !_peer->asUser()->botInfo || !_canSendMessages) {
 		updateControlsVisibility();
 		return;
 	}
@@ -4819,7 +4819,7 @@ bool HistoryWidget::hasBroadcastToggle() const {
 }
 
 bool HistoryWidget::isBotStart() const {
-	if (!_peer || !_peer->isUser() || !_peer->asUser()->botInfo) return false;
+	if (!_peer || !_peer->isUser() || !_peer->asUser()->botInfo || !_canSendMessages) return false;
 	return !_peer->asUser()->botInfo->startToken.isEmpty() || (_history->isEmpty() && !_history->lastMsg);
 }
 
@@ -5899,7 +5899,7 @@ void HistoryWidget::updateBotKeyboard(History *h) {
 		if (_keyboard.singleUse() && _keyboard.hasMarkup() && _keyboard.forMsgId() == FullMsgId(_channel, _history->lastKeyboardId) && _history->lastKeyboardUsed) {
 			_history->lastKeyboardHiddenId = _history->lastKeyboardId;
 		}
-		if (!isBotStart() && !isBlocked() && (wasVisible || _replyTo || (!_field.hasSendText() && !kbWasHidden()))) {
+		if (!isBotStart() && !isBlocked() && _canSendMessages && (wasVisible || _replyTo || (!_field.hasSendText() && !kbWasHidden()))) {
 			if (!_a_show.animating()) {
 				if (hasMarkup) {
 					_kbScroll.show();
diff --git a/Telegram/SourceFiles/localstorage.cpp b/Telegram/SourceFiles/localstorage.cpp
index e5e395c19..362798d5e 100644
--- a/Telegram/SourceFiles/localstorage.cpp
+++ b/Telegram/SourceFiles/localstorage.cpp
@@ -2467,7 +2467,7 @@ namespace Local {
 
 	TaskId startStickerImageLoad(const StorageKey &location, mtpFileLoader *loader) {
 		StorageMap::iterator j = _stickerImagesMap.find(location);
-		if (j == _stickerImagesMap.cend()) {
+		if (j == _stickerImagesMap.cend() || !_localLoader) {
 			return 0;
 		}
 		return _localLoader->addTask(new StickerImageLoadTask(j->first, location, loader));
@@ -2526,7 +2526,7 @@ namespace Local {
 
 	TaskId startAudioLoad(const StorageKey &location, mtpFileLoader *loader) {
 		StorageMap::iterator j = _audiosMap.find(location);
-		if (j == _audiosMap.cend()) {
+		if (j == _audiosMap.cend() || !_localLoader) {
 			return 0;
 		}
 		return _localLoader->addTask(new AudioLoadTask(j->first, location, loader));
diff --git a/Telegram/SourceFiles/mainwidget.cpp b/Telegram/SourceFiles/mainwidget.cpp
index f95392a5f..0fa3ed35e 100644
--- a/Telegram/SourceFiles/mainwidget.cpp
+++ b/Telegram/SourceFiles/mainwidget.cpp
@@ -971,11 +971,17 @@ void MainWidget::addParticipants(PeerData *chatOrChannel, const QVector<UserData
 		}
 	} else if (chatOrChannel->isChannel()) {
 		QVector<MTPInputUser> inputUsers;
-		inputUsers.reserve(users.size());
+		inputUsers.reserve(qMin(users.size(), int(MaxUsersPerInvite)));
 		for (QVector<UserData*>::const_iterator i = users.cbegin(), e = users.cend(); i != e; ++i) {
 			inputUsers.push_back((*i)->inputUser);
+			if (inputUsers.size() == MaxUsersPerInvite) {
+				MTP::send(MTPchannels_InviteToChannel(chatOrChannel->asChannel()->inputChannel, MTP_vector<MTPInputUser>(inputUsers)), rpcDone(&MainWidget::inviteToChannelDone, chatOrChannel->asChannel()), rpcFail(&MainWidget::addParticipantsFail, chatOrChannel->asChannel()), 0, 5);
+				inputUsers.clear();
+			}
+		}
+		if (!inputUsers.isEmpty()) {
+			MTP::send(MTPchannels_InviteToChannel(chatOrChannel->asChannel()->inputChannel, MTP_vector<MTPInputUser>(inputUsers)), rpcDone(&MainWidget::inviteToChannelDone, chatOrChannel->asChannel()), rpcFail(&MainWidget::addParticipantsFail, chatOrChannel->asChannel()), 0, 5);
 		}
-		MTP::send(MTPchannels_InviteToChannel(chatOrChannel->asChannel()->inputChannel, MTP_vector<MTPInputUser>(inputUsers)), rpcDone(&MainWidget::inviteToChannelDone, chatOrChannel->asChannel()), rpcFail(&MainWidget::addParticipantsFail, chatOrChannel->asChannel()), 0, 5);
 	}
 }
 
diff --git a/Telegram/SourceFiles/profilewidget.cpp b/Telegram/SourceFiles/profilewidget.cpp
index 79022abac..6841cde65 100644
--- a/Telegram/SourceFiles/profilewidget.cpp
+++ b/Telegram/SourceFiles/profilewidget.cpp
@@ -1636,7 +1636,7 @@ void ProfileInner::showAll() {
 				_invitationLink.hide();
 			}
 		}
-		if (_peerChannel->count < cMaxMegaGroupCount() && _peerChannel->isMegagroup() && (_amCreator || _peerChannel->amEditor())) {
+		if (_peerChannel->count < cMaxMegaGroupCount() && _peerChannel->isMegagroup() && (true || _amCreator || _peerChannel->amEditor())) {
 			_addParticipant.show();
 		} else {
 			_addParticipant.hide();
diff --git a/Telegram/SourceFiles/pspecific_wnd.cpp b/Telegram/SourceFiles/pspecific_wnd.cpp
index ee373f103..8bfef9751 100644
--- a/Telegram/SourceFiles/pspecific_wnd.cpp
+++ b/Telegram/SourceFiles/pspecific_wnd.cpp
@@ -72,7 +72,12 @@ Copyright (c) 2014-2015 John Preston, https://desktop.telegram.org
 #define WM_NCPOINTERUP                  0x0243
 #endif
 
-const WCHAR AppUserModelId[] = L"Telegram.TelegramDesktop";
+const WCHAR AppUserModelIdRelease[] = L"Telegram.TelegramDesktop";
+const WCHAR AppUserModelIdBeta[] = L"Telegram.TelegramDesktop.Beta";
+
+const WCHAR *AppUserModelId() {
+	return cBetaVersion() ? AppUserModelIdBeta : AppUserModelIdRelease;
+}
 
 static const PROPERTYKEY pkey_AppUserModel_ID = { { 0x9F4C2855, 0x9F79, 0x4B39, { 0xA8, 0xD0, 0xE1, 0xD4, 0x2D, 0xE1, 0xD5, 0xF3 } }, 5 };
 static const PROPERTYKEY pkey_AppUserModel_StartPinOption = { { 0x9F4C2855, 0x9F79, 0x4B39, { 0xA8, 0xD0, 0xE1, 0xD4, 0x2D, 0xE1, 0xD5, 0xF3 } }, 12 };
@@ -2301,7 +2306,7 @@ void _manageAppLnk(bool create, bool silent, int path_csidl, const wchar_t *args
 				hr = shellLink.As(&propertyStore);
 				if (SUCCEEDED(hr)) {
 					PROPVARIANT appIdPropVar;
-					hr = InitPropVariantFromString(AppUserModelId, &appIdPropVar);
+					hr = InitPropVariantFromString(AppUserModelId(), &appIdPropVar);
 					if (SUCCEEDED(hr)) {
 						hr = propertyStore->SetValue(pkey_AppUserModel_ID, appIdPropVar);
 						PropVariantClear(&appIdPropVar);
@@ -2921,7 +2926,7 @@ void CheckPinnedAppUserModelId() {
 				WCHAR already[MAX_PATH];
 				hr = propVariantToString(appIdPropVar, already, MAX_PATH);
 				if (SUCCEEDED(hr)) {
-					if (std::wstring(AppUserModelId) == already) {
+					if (std::wstring(AppUserModelId()) == already) {
 						LOG(("Already!"));
 						PropVariantClear(&appIdPropVar);
 						return;
@@ -2933,7 +2938,7 @@ void CheckPinnedAppUserModelId() {
 				}
 				PropVariantClear(&appIdPropVar);
 
-				hr = InitPropVariantFromString(AppUserModelId, &appIdPropVar);
+				hr = InitPropVariantFromString(AppUserModelId(), &appIdPropVar);
 				if (!SUCCEEDED(hr)) return;
 
 				hr = propertyStore->SetValue(pkey_AppUserModel_ID, appIdPropVar);
@@ -3028,7 +3033,7 @@ bool ValidateAppUserModelIdShortcutAt(const QString &path) {
 	WCHAR already[MAX_PATH];
 	hr = propVariantToString(appIdPropVar, already, MAX_PATH);
 	if (SUCCEEDED(hr)) {
-		if (std::wstring(AppUserModelId) == already) {
+		if (std::wstring(AppUserModelId()) == already) {
 			PropVariantClear(&appIdPropVar);
 			return true;
 		}
@@ -3039,7 +3044,7 @@ bool ValidateAppUserModelIdShortcutAt(const QString &path) {
 	}
 	PropVariantClear(&appIdPropVar);
 
-	hr = InitPropVariantFromString(AppUserModelId, &appIdPropVar);
+	hr = InitPropVariantFromString(AppUserModelId(), &appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;
 
 	hr = propertyStore->SetValue(pkey_AppUserModel_ID, appIdPropVar);
@@ -3062,11 +3067,16 @@ bool ValidateAppUserModelIdShortcut() {
 	QString path = systemShortcutPath();
 	if (path.isEmpty()) return false;
 
-	if (ValidateAppUserModelIdShortcutAt(path + qsl("Telegram Desktop/Telegram.lnk"))) return true;
-	if (ValidateAppUserModelIdShortcutAt(path + qsl("Telegram Win (Unofficial)/Telegram.lnk"))) return true;
-	
-	path += qsl("Telegram.lnk");
-	if (ValidateAppUserModelIdShortcutAt(path)) return true;
+	if (cBetaVersion()) {
+		path += qsl("TelegramBeta.lnk");
+		if (ValidateAppUserModelIdShortcutAt(path)) return true;
+	} else {
+		if (ValidateAppUserModelIdShortcutAt(path + qsl("Telegram Desktop/Telegram.lnk"))) return true;
+		if (ValidateAppUserModelIdShortcutAt(path + qsl("Telegram Win (Unofficial)/Telegram.lnk"))) return true;
+
+		path += qsl("Telegram.lnk");
+		if (ValidateAppUserModelIdShortcutAt(path)) return true;
+	}
 
 	ComPtr<IShellLink> shellLink;
 	HRESULT hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&shellLink));
@@ -3086,7 +3096,7 @@ bool ValidateAppUserModelIdShortcut() {
 	if (!SUCCEEDED(hr)) return false;
 
 	PROPVARIANT appIdPropVar;
-	hr = InitPropVariantFromString(AppUserModelId, &appIdPropVar);
+	hr = InitPropVariantFromString(AppUserModelId(), &appIdPropVar);
 	if (!SUCCEEDED(hr)) return false;
 
 	hr = propertyStore->SetValue(pkey_AppUserModel_ID, appIdPropVar);
@@ -3116,13 +3126,13 @@ bool ValidateAppUserModelIdShortcut() {
 
 bool InitToastManager() {
 	if (!useToast || !ValidateAppUserModelIdShortcut()) return false;
-	if (!SUCCEEDED(setCurrentProcessExplicitAppUserModelID(AppUserModelId))) {
+	if (!SUCCEEDED(setCurrentProcessExplicitAppUserModelID(AppUserModelId()))) {
 		return false;
 	}
 	if (!SUCCEEDED(wrap_GetActivationFactory(StringReferenceWrapper(RuntimeClass_Windows_UI_Notifications_ToastNotificationManager).Get(), &toastNotificationManager))) {
 		return false;
 	}
-	if (!SUCCEEDED(toastNotificationManager->CreateToastNotifierWithId(StringReferenceWrapper(AppUserModelId).Get(), &toastNotifier))) {
+	if (!SUCCEEDED(toastNotificationManager->CreateToastNotifierWithId(StringReferenceWrapper(AppUserModelId(), wcslen(AppUserModelId())).Get(), &toastNotifier))) {
 		return false;
 	}
 	if (!SUCCEEDED(wrap_GetActivationFactory(StringReferenceWrapper(RuntimeClass_Windows_UI_Notifications_ToastNotification).Get(), &toastNotificationFactory))) {