diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index b034282985..6330641c88 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -1009,6 +1009,8 @@ PRIVATE
     kotato/boxes/kotato_unpin_box.h
     kotato/kotato_lang.cpp
     kotato/kotato_lang.h
+    kotato/kotato_radius.cpp
+    kotato/kotato_radius.h
     kotato/kotato_settings.cpp
     kotato/kotato_settings.h
     kotato/kotato_settings_menu.cpp
diff --git a/Telegram/SourceFiles/boxes/peer_list_box.cpp b/Telegram/SourceFiles/boxes/peer_list_box.cpp
index debc10016a..03a36b4ff4 100644
--- a/Telegram/SourceFiles/boxes/peer_list_box.cpp
+++ b/Telegram/SourceFiles/boxes/peer_list_box.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "boxes/peer_list_box.h"
 
+#include "kotato/kotato_radius.h"
 #include "kotato/kotato_lang.h"
 #include "history/history.h" // chatListNameSortKey.
 #include "main/session/session_show.h"
@@ -904,9 +905,7 @@ void PeerListRow::createCheckbox(
 		const style::RoundImageCheckbox &st,
 		Fn<void()> updateCallback) {
 	const auto generateRadius = [=](int size) {
-		return (!special() && peer()->isForum())
-			? int(size * Ui::ForumUserpicRadiusMultiplier())
-			: std::optional<int>();
+		return int(size * Kotato::UserpicRadius(!special() && peer()->isForum()));
 	};
 	_checkbox = std::make_unique<Ui::RoundImageCheckbox>(
 		st,
diff --git a/Telegram/SourceFiles/core/launcher.cpp b/Telegram/SourceFiles/core/launcher.cpp
index b43742dd38..46b5010ac9 100644
--- a/Telegram/SourceFiles/core/launcher.cpp
+++ b/Telegram/SourceFiles/core/launcher.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "core/launcher.h"
 
+#include "kotato/kotato_radius.h"
 #include "kotato/kotato_settings.h"
 #include "kotato/kotato_version.h"
 #include "platform/platform_launcher.h"
@@ -375,6 +376,7 @@ int Launcher::exec() {
 	Logs::start();
 	base::options::init(cWorkingDir() + "tdata/experimental_options.json");
 	Kotato::JsonSettings::Load();
+	Kotato::RefreshRadius();
 
 	// Must be called after options are inited.
 	initHighDpi();
diff --git a/Telegram/SourceFiles/data/data_peer.cpp b/Telegram/SourceFiles/data/data_peer.cpp
index 78c2051a05..6abdc2fccb 100644
--- a/Telegram/SourceFiles/data/data_peer.cpp
+++ b/Telegram/SourceFiles/data/data_peer.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "data/data_peer.h"
 
+#include "kotato/kotato_radius.h"
 #include "data/data_user.h"
 #include "data/data_chat.h"
 #include "data/data_chat_participant_status.h"
@@ -382,6 +383,7 @@ QImage PeerData::generateUserpicImage(
 		Ui::PeerUserpicView &view,
 		int size,
 		std::optional<int> radius) const {
+	const auto radiusOption = Kotato::UserpicRadius(isForum());
 	if (const auto userpic = userpicCloudImage(view)) {
 		auto image = userpic->scaled(
 			{ size, size },
@@ -393,7 +395,13 @@ QImage PeerData::generateUserpicImage(
 				Images::CornersMask(radius / style::DevicePixelRatio()));
 		};
 		if (radius == 0) {
-			return image;
+			if (radiusOption == 0.0) {
+				return image;
+			} else if (radiusOption) {
+				return round(size * radiusOption);
+			} else {
+				return Images::Circle(std::move(image));
+			}
 		} else if (radius) {
 			return round(*radius);
 		} else if (isForum()) {
@@ -409,7 +417,19 @@ QImage PeerData::generateUserpicImage(
 
 	Painter p(&result);
 	if (radius == 0) {
-		ensureEmptyUserpic()->paintSquare(p, 0, 0, size, size);
+		if (radiusOption == 0.0) {
+			ensureEmptyUserpic()->paintSquare(p, 0, 0, size, size);
+		} else if (radiusOption) {
+			ensureEmptyUserpic()->paintRounded(
+				p,
+				0,
+				0,
+				size,
+				size,
+				size * radiusOption);
+		} else {
+			ensureEmptyUserpic()->paintCircle(p, 0, 0, size, size);
+		}
 	} else if (radius) {
 		ensureEmptyUserpic()->paintRounded(p, 0, 0, size, size, *radius);
 	} else if (isForum()) {
diff --git a/Telegram/SourceFiles/dialogs/dialogs_row.cpp b/Telegram/SourceFiles/dialogs/dialogs_row.cpp
index 9ecddf88fa..4a45f34756 100644
--- a/Telegram/SourceFiles/dialogs/dialogs_row.cpp
+++ b/Telegram/SourceFiles/dialogs/dialogs_row.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "dialogs/dialogs_row.h"
 
+#include "kotato/kotato_radius.h"
 #include "ui/chat/chat_theme.h" // CountAverageColor.
 #include "ui/color_contrast.h"
 #include "ui/effects/outline_segments.h"
@@ -416,7 +417,7 @@ void Row::PaintCornerBadgeFrame(
 		: st::dialogsCallBadgeSize;
 	const auto stroke = st::dialogsOnlineBadgeStroke;
 	const auto skip = online
-		? st::dialogsOnlineBadgeSkip
+		? Kotato::UserpicOnlineBadgeSkip()
 		: st::dialogsCallBadgeSkip;
 	const auto shrink = (size / 2) * (1. - topLayerProgress);
 
diff --git a/Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.cpp b/Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.cpp
index f615f4fb39..911230ed56 100644
--- a/Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.cpp
+++ b/Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "dialogs/ui/dialogs_stories_list.h"
 
+#include "kotato/kotato_radius.h"
 #include "base/event_filter.h"
 #include "base/qt_signal_producer.h"
 #include "lang/lang_keys.h"
@@ -528,7 +529,7 @@ void List::paint(
 			if (!fullUnreadCount) {
 				p.setPen(QPen(gradient, line));
 				p.setBrush(Qt::NoBrush);
-				p.drawEllipse(outer);
+				Kotato::DrawUserpicShape(p, outer, outerAdd);
 			} else {
 				validateSegments(itemFull, gradient, line, true);
 				Ui::PaintOutlineSegments(
@@ -569,7 +570,7 @@ void List::paint(
 			p.setCompositionMode(QPainter::CompositionMode_Source);
 			p.setPen(Qt::NoPen);
 			p.setBrush(st::transparent);
-			p.drawEllipse(rect);
+			Kotato::DrawUserpicShape(p, rect, add);
 			p.setCompositionMode(QPainter::CompositionMode_SourceOver);
 		}
 		if (hasReadLine) {
diff --git a/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp b/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
index bfc0562431..3cbaf75863 100644
--- a/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
+++ b/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "dialogs/ui/dialogs_video_userpic.h"
 
+#include "kotato/kotato_radius.h"
 #include "core/file_location.h"
 #include "data/data_peer.h"
 #include "data/data_photo.h"
@@ -100,7 +101,7 @@ Media::Clip::FrameRequest VideoUserpic::request(int size) const {
 		.frame = { size, size },
 		.outer = { size, size },
 		.factor = cIntRetinaFactor(),
-		.radius = ImageRoundRadius::Ellipse,
+		.radius = Kotato::UserpicRadius(),
 	};
 }
 
diff --git a/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp b/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
index 7fc19532a0..e6b1926193 100644
--- a/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "history/view/history_view_group_call_bar.h"
 
+#include "kotato/kotato_radius.h"
 #include "data/data_channel.h"
 #include "data/data_user.h"
 #include "data/data_changes.h"
@@ -59,7 +60,7 @@ void GenerateUserpicsInRow(
 		q.setCompositionMode(QPainter::CompositionMode_Source);
 		q.setBrush(Qt::NoBrush);
 		q.setPen(pen);
-		q.drawEllipse(x, 0, single, single);
+		Kotato::DrawUserpicShape(q, x, 0, single, single, single);
 		x -= single - shift;
 	}
 }
diff --git a/Telegram/SourceFiles/history/view/reactions/history_view_reactions.cpp b/Telegram/SourceFiles/history/view/reactions/history_view_reactions.cpp
index 328a8749a1..3c951cc6c1 100644
--- a/Telegram/SourceFiles/history/view/reactions/history_view_reactions.cpp
+++ b/Telegram/SourceFiles/history/view/reactions/history_view_reactions.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "history/view/reactions/history_view_reactions.h"
 
+#include "kotato/kotato_radius.h"
 #include "history/history_item.h"
 #include "history/history.h"
 #include "history/view/history_view_message.h"
@@ -623,7 +624,7 @@ void InlineList::paintSingleBg(
 		float64 opacity) const {
 	p.setOpacity(opacity);
 	if (!areTags()) {
-		const auto radius = fill.height() / 2.;
+		const auto radius = fill.height() * Kotato::UserpicRadius();
 		p.setBrush(color);
 		p.drawRoundedRect(fill, radius, radius);
 		return;
diff --git a/Telegram/SourceFiles/kotato/kotato_radius.cpp b/Telegram/SourceFiles/kotato/kotato_radius.cpp
new file mode 100644
index 0000000000..3cf70c5dfc
--- /dev/null
+++ b/Telegram/SourceFiles/kotato/kotato_radius.cpp
@@ -0,0 +1,143 @@
+/*
+This file is part of Kotatogram Desktop,
+the unofficial app based on Telegram Desktop.
+
+For license and copyright information please follow this link:
+https://github.com/kotatogram/kotatogram-desktop/blob/dev/LEGAL
+*/
+#include "kotato/kotato_radius.h"
+
+#include "kotato/kotato_settings.h"
+#include "ui/painter.h"
+#include "styles/style_chat.h"
+#include "styles/style_dialogs.h"
+
+namespace Kotato {
+namespace {
+
+struct Radius {
+	float64 userpicRadius = 0.5;
+	float64 forumUserpicRadius = 0.3;
+	bool useDefaultRadiusForForum = false;
+	style::point onlineBadgeSkip = st::dialogsOnlineBadgeSkip;
+};
+
+Radius radius;
+
+} // namespace
+
+void RefreshRadius() {
+	radius.userpicRadius = float64(JsonSettings::GetInt("userpic_corner_radius")) / 100.0;
+	radius.forumUserpicRadius = float64(JsonSettings::GetInt("userpic_corner_radius_forum")) / 100.0;
+	radius.useDefaultRadiusForForum = JsonSettings::GetBool("userpic_corner_radius_forum_use_default");
+	radius.onlineBadgeSkip = {
+		style::ConvertScale(int(2 * radius.userpicRadius) - 1),
+		style::ConvertScale(int(6 * radius.userpicRadius) - 1),
+	};
+}
+
+float64 UserpicRadius(bool isForum) {
+	if (isForum && !radius.useDefaultRadiusForForum) {
+		return radius.forumUserpicRadius;
+	}
+	return radius.userpicRadius;
+}
+
+void DrawUserpicShape(
+		QPainter &p,
+		QRect rect,
+		float64 size,
+		bool isForum) {
+	const auto r = UserpicRadius(isForum);
+	if (r >= 0.5) {
+		p.drawEllipse(rect);
+	} else if (r) {
+		p.drawRoundedRect(rect, size * r, size * r);
+	} else {
+		p.fillRect(rect, p.brush());
+	}
+}
+
+void DrawUserpicShape(
+		QPainter &p,
+		QRectF rect,
+		float64 size,
+		bool isForum) {
+	const auto r = UserpicRadius(isForum);
+	if (r >= 0.5) {
+		p.drawEllipse(rect);
+	} else if (r) {
+		p.drawRoundedRect(rect, size * r, size * r);
+	} else {
+		p.fillRect(rect, p.brush());
+	}
+}
+
+void DrawUserpicShape(
+		QPainter &p,
+		int x,
+		int y,
+		int w,
+		int h,
+		float64 size,
+		bool isForum) {
+	const auto r = UserpicRadius(isForum);
+	if (r >= 0.5) {
+		p.drawEllipse(x, y, w, h);
+	} else if (r) {
+		p.drawRoundedRect(x, y, w, h, size * r, size * r);
+	} else {
+		p.fillRect(x, y, w, h, p.brush());
+	}
+}
+
+style::point UserpicOnlineBadgeSkip() {
+	return radius.onlineBadgeSkip;
+}
+
+QPixmap MessageTailLeft(style::color color) {
+	const auto tail = st::historyBubbleTailInLeft;
+	QImage rect(tail.width(), tail.height(), QImage::Format_ARGB32_Premultiplied);
+	rect.fill(color->c);
+	{
+		auto p = QPainter(&rect);
+		PainterHighQualityEnabler hq(p);
+
+		p.setCompositionMode(QPainter::CompositionMode_Source);
+		p.setPen(Qt::NoPen);
+		p.setBrush(Qt::transparent);
+		p.drawRoundedRect(
+			tail.width()-st::msgPhotoSize+style::ConvertScale(1),
+			tail.height()-st::msgPhotoSize+style::ConvertScale(2),
+			st::msgPhotoSize,
+			st::msgPhotoSize,
+			st::msgPhotoSize * radius.userpicRadius,
+			st::msgPhotoSize * radius.userpicRadius);
+	}
+	return QPixmap::fromImage(rect);
+}
+
+QPixmap MessageTailRight(style::color color) {
+	const auto tail = st::historyBubbleTailInRight;
+	QImage rect(tail.width(), tail.height(), QImage::Format_ARGB32_Premultiplied);
+	rect.fill(color->c);
+	{
+		auto p = QPainter(&rect);
+		PainterHighQualityEnabler hq(p);
+
+		p.setCompositionMode(QPainter::CompositionMode_Source);
+		p.setPen(Qt::NoPen);
+		p.setBrush(Qt::transparent);
+		p.drawRoundedRect(
+			-style::ConvertScale(1),
+			tail.height()-st::msgPhotoSize+style::ConvertScale(2),
+			st::msgPhotoSize,
+			st::msgPhotoSize,
+			st::msgPhotoSize * radius.userpicRadius,
+			st::msgPhotoSize * radius.userpicRadius);
+	}
+	return QPixmap::fromImage(rect);
+}
+
+
+} // namespace Kotato
\ No newline at end of file
diff --git a/Telegram/SourceFiles/kotato/kotato_radius.h b/Telegram/SourceFiles/kotato/kotato_radius.h
new file mode 100644
index 0000000000..2d80492fd3
--- /dev/null
+++ b/Telegram/SourceFiles/kotato/kotato_radius.h
@@ -0,0 +1,38 @@
+/*
+This file is part of Kotatogram Desktop,
+the unofficial app based on Telegram Desktop.
+
+For license and copyright information please follow this link:
+https://github.com/kotatogram/kotatogram-desktop/blob/dev/LEGAL
+*/
+#pragma once
+
+namespace Kotato {
+
+void RefreshRadius();
+float64 UserpicRadius(bool isForum = false);
+void DrawUserpicShape(
+	QPainter &p,
+	QRect rect,
+	float64 size,
+	bool isForum = false);
+void DrawUserpicShape(
+	QPainter &p,
+	QRectF rect,
+	float64 size,
+	bool isForum = false);
+void DrawUserpicShape(
+	QPainter &p,
+	int x,
+	int y,
+	int w,
+	int h,
+	float64 size,
+	bool isForum = false);
+
+style::point UserpicOnlineBadgeSkip();
+
+QPixmap MessageTailLeft(style::color color);
+QPixmap MessageTailRight(style::color color);
+
+} // namespace Kotato
\ No newline at end of file
diff --git a/Telegram/SourceFiles/kotato/kotato_settings.cpp b/Telegram/SourceFiles/kotato/kotato_settings.cpp
index 67431dfc85..38ff305e53 100644
--- a/Telegram/SourceFiles/kotato/kotato_settings.cpp
+++ b/Telegram/SourceFiles/kotato/kotato_settings.cpp
@@ -333,6 +333,17 @@ const std::map<QString, Definition, std::greater<QString>> DefinitionMap {
 		.type = SettingType::IntSetting,
 		.defaultValue = 20,
 		.limitHandler = IntLimit(0, 200, 20), }},
+	{ "userpic_corner_radius", {
+		.type = SettingType::IntSetting,
+		.defaultValue = 50,
+		.limitHandler = IntLimit(0, 50), }},
+	{ "userpic_corner_radius_forum", {
+		.type = SettingType::IntSetting,
+		.defaultValue = 30,
+		.limitHandler = IntLimit(0, 50), }},
+	{ "userpic_corner_radius_forum_use_default", {
+		.type = SettingType::BoolSetting,
+		.defaultValue = false, }},
 	{ "always_show_top_userpic", {
 		.type = SettingType::BoolSetting,
 		.defaultValue = false, }},
diff --git a/Telegram/SourceFiles/media/clip/media_clip_reader.cpp b/Telegram/SourceFiles/media/clip/media_clip_reader.cpp
index ee7487269b..bbcbf420e9 100644
--- a/Telegram/SourceFiles/media/clip/media_clip_reader.cpp
+++ b/Telegram/SourceFiles/media/clip/media_clip_reader.cpp
@@ -45,7 +45,7 @@ QImage PrepareFrame(
 	const auto needResize = (original.size() != request.frame);
 	const auto needOuterFill = request.outer.isValid()
 		&& (request.outer != request.frame);
-	const auto needRounding = (request.radius != ImageRoundRadius::None);
+	const auto needRounding = (request.radius > 0.0);
 	const auto colorizing = (request.colored.alpha() != 0);
 	if (!needResize
 		&& !needOuterFill
@@ -98,8 +98,7 @@ QImage PrepareFrame(
 	if (needRounding) {
 		cache = Images::Round(
 			std::move(cache),
-			request.radius,
-			request.corners);
+			Images::CornersMask((cache.width() * request.radius) / style::DevicePixelRatio()));
 	}
 	if (colorizing) {
 		cache = Images::Colored(std::move(cache), request.colored);
diff --git a/Telegram/SourceFiles/media/clip/media_clip_reader.h b/Telegram/SourceFiles/media/clip/media_clip_reader.h
index faa3f24a14..356a5cc6d2 100644
--- a/Telegram/SourceFiles/media/clip/media_clip_reader.h
+++ b/Telegram/SourceFiles/media/clip/media_clip_reader.h
@@ -37,7 +37,7 @@ struct FrameRequest {
 	QSize frame;
 	QSize outer;
 	int factor = 0;
-	ImageRoundRadius radius = ImageRoundRadius::None;
+	float64 radius = 0.0;
 	RectParts corners = RectPart::AllCorners;
 	QColor colored = QColor(0, 0, 0, 0);
 	bool keepAlpha = false;
diff --git a/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp b/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp
index 99cd1b9074..3b314311bb 100644
--- a/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp
+++ b/Telegram/SourceFiles/platform/win/notifications_manager_win.cpp
@@ -94,7 +94,7 @@ crl::time LastSettingsQueryMs/* = 0*/;
 <toast launch="action=open&amp;)" + wid + LR"(">
 	<visual>
 		<binding template="ToastGeneric">
-			<image placement="appLogoOverride" hint-crop="circle" src=""/>
+			<image placement="appLogoOverride" src=""/>
 			<text hint-maxLines="1"></text>
 			<text></text>
 			<text></text>
diff --git a/Telegram/SourceFiles/settings/settings_information.cpp b/Telegram/SourceFiles/settings/settings_information.cpp
index a2de6ea04c..f0789dca15 100644
--- a/Telegram/SourceFiles/settings/settings_information.cpp
+++ b/Telegram/SourceFiles/settings/settings_information.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "settings/settings_information.h"
 
+#include "kotato/kotato_radius.h"
 #include "kotato/kotato_lang.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/vertical_layout_reorder.h"
@@ -639,7 +640,7 @@ void SetupAccountsWrap(
 			pen.setWidthF(line);
 			p.setPen(pen);
 			p.setBrush(Qt::NoBrush);
-			p.drawEllipse(rect);
+			Kotato::DrawUserpicShape(p, rect, size);
 		}
 	}, state->userpic.lifetime());
 
diff --git a/Telegram/SourceFiles/ui/chat/choose_send_as.cpp b/Telegram/SourceFiles/ui/chat/choose_send_as.cpp
index 0856b044a8..dd37fa0019 100644
--- a/Telegram/SourceFiles/ui/chat/choose_send_as.cpp
+++ b/Telegram/SourceFiles/ui/chat/choose_send_as.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "ui/chat/choose_send_as.h"
 
+#include "kotato/kotato_radius.h"
 #include "boxes/peer_list_box.h"
 #include "data/data_peer.h"
 #include "data/data_channel.h"
@@ -283,7 +284,8 @@ void SetupSendAsButton(
 		) | rpl::map([=](not_null<PeerData*> chosen) {
 			return Data::PeerUserpicImageValue(
 				chosen,
-				st::sendAsButton.size * style::DevicePixelRatio());
+				st::sendAsButton.size * style::DevicePixelRatio(),
+				st::sendAsButton.size * Kotato::UserpicRadius());
 		}) | rpl::flatten_latest();
 	}) | rpl::flatten_latest();
 
diff --git a/Telegram/SourceFiles/ui/chat/group_call_userpics.cpp b/Telegram/SourceFiles/ui/chat/group_call_userpics.cpp
index 4044c7d26f..fa1ac47c2a 100644
--- a/Telegram/SourceFiles/ui/chat/group_call_userpics.cpp
+++ b/Telegram/SourceFiles/ui/chat/group_call_userpics.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "ui/chat/group_call_userpics.h"
 
+#include "kotato/kotato_radius.h"
 #include "ui/paint/blobs.h"
 #include "ui/painter.h"
 #include "ui/power_saving.h"
@@ -273,7 +274,7 @@ void GroupCallUserpics::validateCache(Userpic &userpic) {
 			p.setCompositionMode(QPainter::CompositionMode_Source);
 			p.setBrush(Qt::transparent);
 			p.setPen(pen);
-			p.drawEllipse(skip - size + shift, skip, size, size);
+			Kotato::DrawUserpicShape(p, skip - size + shift, skip, size, size, size);
 		}
 	}
 }
diff --git a/Telegram/SourceFiles/ui/chat/message_bubble.cpp b/Telegram/SourceFiles/ui/chat/message_bubble.cpp
index 8d398e51c5..8fa7bd8751 100644
--- a/Telegram/SourceFiles/ui/chat/message_bubble.cpp
+++ b/Telegram/SourceFiles/ui/chat/message_bubble.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "ui/chat/message_bubble.h"
 
+#include "kotato/kotato_radius.h"
 #include "ui/cached_round_corners.h"
 #include "ui/image/image_prepare.h"
 #include "ui/chat/chat_style.h"
@@ -240,7 +241,11 @@ void PaintSolidBubble(QPainter &p, const SimpleBubble &args) {
 			: st.msgBgCornersSmall;
 		p.drawPixmap(x, y, corners.p[index]);
 	}, [&](const QPoint &bottomPosition) {
-		tail.paint(p, bottomPosition - tailShift, args.outerWidth);
+		p.drawPixmap(
+			bottomPosition - tailShift,
+			(args.rounding.bottomRight == Corner::Tail)
+			? Kotato::MessageTailRight(bg)
+			: Kotato::MessageTailLeft(bg));
 		return tail.width();
 	});
 }
diff --git a/Telegram/SourceFiles/ui/controls/userpic_button.cpp b/Telegram/SourceFiles/ui/controls/userpic_button.cpp
index c1d0965b83..cda25367f0 100644
--- a/Telegram/SourceFiles/ui/controls/userpic_button.cpp
+++ b/Telegram/SourceFiles/ui/controls/userpic_button.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "ui/controls/userpic_button.h"
 
+#include "kotato/kotato_radius.h"
 #include "base/call_delayed.h"
 #include "ui/effects/ripple_animation.h"
 #include "ui/empty_userpic.h"
@@ -135,7 +136,7 @@ void SetupSubButtonBackground(
 		auto hq = PainterHighQualityEnabler(p);
 		p.setBrush(st::boxBg);
 		p.setPen(Qt::NoPen);
-		p.drawEllipse(background->rect());
+		Kotato::DrawUserpicShape(p, background->rect(), background->rect().width());
 	}, background->lifetime());
 
 	upload->positionValue(
@@ -579,9 +580,9 @@ void UserpicButton::paintUserpicFrame(Painter &p, QPoint photoPosition) {
 		auto size = QSize{ _st.photoSize, _st.photoSize };
 		const auto ratio = style::DevicePixelRatio();
 		request.outer = request.resize = size * ratio;
-		if (useForumShape()) {
-			const auto radius = int(_st.photoSize
-				* Ui::ForumUserpicRadiusMultiplier());
+		const auto radiusOption = Kotato::UserpicRadius(useForumShape());
+		if (radiusOption < 0.5) {
+			const auto radius = int(_st.photoSize * radiusOption);
 			if (_roundingCorners[0].width() != radius * ratio) {
 				_roundingCorners = Images::CornersMask(radius);
 			}
@@ -988,8 +989,9 @@ void UserpicButton::fillShape(QPainter &p, const style::color &color) const {
 	p.setPen(Qt::NoPen);
 	p.setBrush(color);
 	const auto size = _st.photoSize;
-	if (useForumShape()) {
-		const auto radius = size * Ui::ForumUserpicRadiusMultiplier();
+	const auto radiusOption = Kotato::UserpicRadius(useForumShape());
+	if (radiusOption < 0.5) {
+		const auto radius = size * radiusOption;
 		p.drawRoundedRect(0, 0, size, size, radius, radius);
 	} else {
 		p.drawEllipse(0, 0, size, size);
diff --git a/Telegram/SourceFiles/ui/empty_userpic.cpp b/Telegram/SourceFiles/ui/empty_userpic.cpp
index 9d536f15cd..e5f556c122 100644
--- a/Telegram/SourceFiles/ui/empty_userpic.cpp
+++ b/Telegram/SourceFiles/ui/empty_userpic.cpp
@@ -8,6 +8,7 @@ For license and copyright information please follow this link:
 #include "ui/empty_userpic.h"
 
 #include "ui/chat/chat_style.h"
+#include "kotato/kotato_radius.h"
 #include "ui/effects/animation_value.h"
 #include "ui/emoji_config.h"
 #include "ui/painter.h"
@@ -378,7 +379,7 @@ void EmptyUserpic::PaintSavedMessages(
 	PainterHighQualityEnabler hq(p);
 	p.setBrush(std::move(bg));
 	p.setPen(Qt::NoPen);
-	p.drawEllipse(x, y, size, size);
+	Kotato::DrawUserpicShape(p, x, y, size, size, size);
 
 	PaintSavedMessagesInner(p, x, y, size, fg);
 }
@@ -417,7 +418,7 @@ void EmptyUserpic::PaintRepliesMessages(
 	PainterHighQualityEnabler hq(p);
 	p.setBrush(bg);
 	p.setPen(Qt::NoPen);
-	p.drawEllipse(x, y, size, size);
+	Kotato::DrawUserpicShape(p, x, y, size, size, size);
 
 	PaintRepliesMessagesInner(p, x, y, size, fg);
 }
diff --git a/Telegram/SourceFiles/ui/userpic_view.cpp b/Telegram/SourceFiles/ui/userpic_view.cpp
index f14ac76e80..e558aab8ff 100644
--- a/Telegram/SourceFiles/ui/userpic_view.cpp
+++ b/Telegram/SourceFiles/ui/userpic_view.cpp
@@ -7,6 +7,7 @@ For license and copyright information please follow this link:
 */
 #include "ui/userpic_view.h"
 
+#include "kotato/kotato_radius.h"
 #include "ui/empty_userpic.h"
 #include "ui/image/image_prepare.h"
 
@@ -28,10 +29,12 @@ void ValidateUserpicCache(
 		bool forum) {
 	Expects(cloud != nullptr || empty != nullptr);
 
+	const auto radius = Kotato::UserpicRadius(forum);
 	const auto full = QSize(size, size);
 	const auto version = style::PaletteVersion();
 	const auto forumValue = forum ? 1 : 0;
 	const auto regenerate = (view.cached.size() != QSize(size, size))
+		|| (view.radius != radius)
 		|| (view.forum != forumValue)
 		|| (cloud && !view.empty.null())
 		|| (empty && empty != view.empty.get())
@@ -48,14 +51,14 @@ void ValidateUserpicCache(
 			full,
 			Qt::IgnoreAspectRatio,
 			Qt::SmoothTransformation);
-		if (forum) {
+		if (radius >= 0.5) {
+			view.cached = Images::Circle(std::move(view.cached));
+		} else if (radius) { 
 			view.cached = Images::Round(
 				std::move(view.cached),
 				Images::CornersMask(size
-					* Ui::ForumUserpicRadiusMultiplier()
+					* radius
 					/ style::DevicePixelRatio()));
-		} else {
-			view.cached = Images::Circle(std::move(view.cached));
 		}
 	} else {
 		if (view.cached.size() != full) {
@@ -64,16 +67,23 @@ void ValidateUserpicCache(
 		view.cached.fill(Qt::transparent);
 
 		auto p = QPainter(&view.cached);
-		if (forum) {
+		if (radius >= 0.5) {
+			empty->paintCircle(p, 0, 0, size, size);
+		} else if (radius) { 
 			empty->paintRounded(
 				p,
 				0,
 				0,
 				size,
 				size,
-				size * Ui::ForumUserpicRadiusMultiplier());
+				size * radius);
 		} else {
-			empty->paintCircle(p, 0, 0, size, size);
+			empty->paintSquare(
+				p,
+				0,
+				0,
+				size,
+				size);
 		}
 	}
 }
diff --git a/Telegram/SourceFiles/ui/userpic_view.h b/Telegram/SourceFiles/ui/userpic_view.h
index 6e50127d74..d3f0a6ca89 100644
--- a/Telegram/SourceFiles/ui/userpic_view.h
+++ b/Telegram/SourceFiles/ui/userpic_view.h
@@ -27,6 +27,7 @@ struct PeerUserpicView {
 	base::weak_ptr<const EmptyUserpic> empty;
 	uint32 paletteVersion : 31 = 0;
 	uint32 forum : 1 = 0;
+	float64 radius = -1.0;
 };
 
 [[nodiscard]] bool PeerUserpicLoading(const PeerUserpicView &view);