diff --git a/net-im/telegram-desktop/Makefile b/net-im/telegram-desktop/Makefile
index a7f2347be98d..181ef126ac4b 100644
--- a/net-im/telegram-desktop/Makefile
+++ b/net-im/telegram-desktop/Makefile
@@ -1,137 +1,140 @@
 PORTNAME=	telegram-desktop
-DISTVERSION=	5.14.3
-PORTREVISION=	1
+DISTVERSION=	5.15.3
 CATEGORIES=	net-im
 MASTER_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/releases/download/v${DISTVERSION}/
 DISTNAME=	tdesktop-${DISTVERSION}-full
 DISTFILES=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Telegram Desktop messaging app
 WWW=		https://desktop.telegram.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	does not build, webrtc related
 #BROKEN_SSL=	openssl openssl31
 #BROKEN_SSL_REASON=	undefined symbol: ERR_load_BIO_strings
 NOT_FOR_ARCHS=		powerpc powerpc64 powerpcspe
 NOT_FOR_ARCHS_REASON=	Only little endian is supported
 
 BUILD_DEPENDS=	boost-libs>0:devel/boost-libs \
 		microsoft-gsl>0:devel/microsoft-gsl \
 		range-v3>0:devel/range-v3 \
 		tl-expected>0:devel/tl-expected \
 		v4l_compat>0:multimedia/v4l_compat \
 		yasm:devel/yasm \
 		${LOCALBASE}/lib/libtde2e.a:net-im/tde2e \
 		${LOCALBASE}/lib/libtg_owt.a:net-im/tg_owt
 LIB_DEPENDS=	libabsl_base.so:devel/abseil \
 		libada.so:devel/libada \
 		libavformat.so:multimedia/ffmpeg \
 		libcrc32c.so:devel/crc32c \
 		libdbus-1.so:devel/dbus \
 		libdispatch.so:devel/libdispatch \
 		libfmt.so:devel/libfmt \
 		libgeoclue-2.so:net/geoclue \
 		libgeocode-glib-2.so:net/geocode-glib2 \
+		libheif.so:graphics/libheif \
 		libhunspell-1.7.so:textproc/hunspell \
+		libjxl.so:graphics/libjxl \
 		liblz4.so:archivers/liblz4 \
 		libopenh264.so:multimedia/openh264 \
 		libopus.so:audio/opus \
 		libpipewire-0.3.so:multimedia/pipewire \
 		libprotobuf-lite.so:devel/protobuf \
 		libqrcodegencpp.so:graphics/qr-code-generator \
 		librnnoise.so:audio/rnnoise \
 		libsrtp2.so:net/libsrtp2 \
 		libxxhash.so:devel/xxhash \
 		libvpx.so:multimedia/libvpx
 
 USES=		cmake compiler:c++20-lang desktop-file-utils gl gnome jpeg kde:6 localbase \
 		minizip openal pkgconfig python:build qt:6 ssl
 
 USE_GITHUB=	nodefault
 GH_ACCOUNT=	telegramdesktop
 GH_PROJECT=	tdesktop
 
 USE_QT=		5compat base declarative imageformats lottie shadertools svg tools:build
 USE_KDE=	coreaddons kimageformats
 
 USE_GL=		gl
 USE_GNOME=	glib20 glibmm26 introspection
 
 CMAKE_ARGS=	-DTDESKTOP_API_ID=${TELEGRAM_API_ID} -DTDESKTOP_API_HASH=${TELEGRAM_API_HASH} \
 		-DQT_VERSION_MAJOR=6
-CMAKE_ON=	DESKTOP_APP_USE_PACKAGED DESKTOP_APP_DISABLE_CRASH_REPORTS \
+CMAKE_ON=	DESKTOP_APP_USE_PACKAGED \
+		DESKTOP_APP_DISABLE_QT_PLUGINS \
+		DESKTOP_APP_DISABLE_CRASH_REPORTS \
 		DESKTOP_APP_DISABLE_JEMALLOC \
 		DESKTOP_APP_DISABLE_SCUDO
 
 # Since cmake 3.25.0, BSDs are no longer recognised as Linux (in this port).
 CMAKE_ARGS+=	-DLINUX=true
 
 # libdispatch components
 LDFLAGS+=	-lBlocksRuntime
 
 # Telegram uses OpenAL for its audio, but libtgvoip (for voice calls) can use PulseAudio or ALSA.
 # It dynamically loads PulseAudio, and if this fails, it loads ALSA.
 # If both of them are not installed, then voice calls do not work, but other functionalities still work.
 OPTIONS_DEFINE=		SYSTEM_FONTS
 OPTIONS_DEFAULT=	ALSA X11 WAYLAND
 OPTIONS_GROUP=	AUDIO
 OPTIONS_MULTI=	DESKTOP
 OPTIONS_GROUP_AUDIO=	ALSA PULSEAUDIO
 OPTIONS_MULTI_DESKTOP=	X11 WAYLAND
 
 AUDIO_DESC=		Audio backend for voice calls
 DESKTOP_DESC=		Desktop integration
 SYSTEM_FONTS_DESC=	Use system fonts instead of bundled patched ones
 
 ALSA_LIB_DEPENDS=	libasound.so:audio/alsa-lib
 PULSEAUDIO_LIB_DEPENDS=	libpulse.so:audio/pulseaudio
 ALSA_CMAKE_BOOL_OFF=	LIBTGVOIP_DISABLE_ALSA
 PULSEAUDIO_CMAKE_BOOL_OFF=	LIBTGVOIP_DISABLE_PULSEAUDIO
 SYSTEM_FONTS_CMAKE_BOOL_OFF=	DESKTOP_APP_USE_PACKAGED_FONTS
 WAYLAND_CMAKE_BOOL_OFF=	DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
 WAYLAND_USE=		qt=wayland
 X11_CMAKE_BOOL_OFF=	DESKTOP_APP_DISABLE_X11_INTEGRATION
 X11_USES=		xorg
 X11_USE=		xorg=x11,xcb,xcomposite,xdamage,xext,xfixes,xrandr,xrender,xtst
 X11_LIB_DEPENDS=	libxcb-keysyms.so:x11/xcb-util-keysyms \
 			libxkbcommon.so:x11/libxkbcommon
 
 # Telegram asks each custom build to have its own API ID and hash.
 TELEGRAM_API_HASH=	20a3432aab43f24bb4460fceac5ba38d
 TELEGRAM_API_ID=	601761
 
 post-extract:
 	# Some of the third-party components already built, and
 	# can be safely removed
 	${RM} -rf \
 		${WRKSRC}/Telegram/ThirdParty/GSL \
 		${WRKSRC}/Telegram/ThirdParty/QR \
 		${WRKSRC}/Telegram/ThirdParty/dispatch \
 		${WRKSRC}/Telegram/ThirdParty/expected \
 		${WRKSRC}/Telegram/ThirdParty/fcitx5-qt \
 		${WRKSRC}/Telegram/ThirdParty/hime \
 		${WRKSRC}/Telegram/ThirdParty/hunspell \
 		${WRKSRC}/Telegram/ThirdParty/jemalloc \
 		${WRKSRC}/Telegram/ThirdParty/jimf \
 		${WRKSRC}/Telegram/ThirdParty/kcoreaddons \
 		${WRKSRC}/Telegram/ThirdParty/kimageformats \
 		${WRKSRC}/Telegram/ThirdParty/lz4 \
 		${WRKSRC}/Telegram/ThirdParty/minizip \
 		${WRKSRC}/Telegram/ThirdParty/plasma-wayland-protocols \
 		${WRKSRC}/Telegram/ThirdParty/range-v3 \
 		${WRKSRC}/Telegram/ThirdParty/wayland \
 		${WRKSRC}/Telegram/ThirdParty/wayland-protocols \
 		${WRKSRC}/Telegram/ThirdParty/xxHash
 
 post-patch:
 	# XXX fix the following on every source file
 	# warning: unknown warning option '-Wno-maybe-uninitialized'
 	# warning: argument unused during compilation: '-fstack-clash-protection'
 	${REINPLACE_CMD} -e /-Wno-maybe-uninitialized/d -e /-fstack-clash-protection/d \
 	    ${WRKSRC}/cmake/options_linux.cmake
 
 .include <bsd.port.mk>
diff --git a/net-im/telegram-desktop/distinfo b/net-im/telegram-desktop/distinfo
index 85a59e1e21c4..ee585cdd5802 100644
--- a/net-im/telegram-desktop/distinfo
+++ b/net-im/telegram-desktop/distinfo
@@ -1,5 +1,3 @@
-TIMESTAMP = 1748017733
-SHA256 (tdesktop-5.14.3-full.tar.gz) = af15716f053403dc42233775e931a711759c8f0468a0aff5f3dfabdf98bf6861
-SIZE (tdesktop-5.14.3-full.tar.gz) = 72816906
-SHA256 (f676d32f96e70874d9d8e78788c37b82b1e3324a.patch) = a3b6ad6badcbfeb9af01a3d7591c433779c2fea99d57c735ed8a6beed549e5ce
-SIZE (f676d32f96e70874d9d8e78788c37b82b1e3324a.patch) = 862
+TIMESTAMP = 1749490185
+SHA256 (tdesktop-5.15.3-full.tar.gz) = d0385d35c5abe4ee15927f4374650cdd97a1cd2bf531b4389e320ac148a9f325
+SIZE (tdesktop-5.15.3-full.tar.gz) = 76874536
diff --git a/net-im/telegram-desktop/files/patch-cmake_external_qt_CMakeLists.txt b/net-im/telegram-desktop/files/patch-cmake_external_qt_CMakeLists.txt
deleted file mode 100644
index 89ab8b613ef6..000000000000
--- a/net-im/telegram-desktop/files/patch-cmake_external_qt_CMakeLists.txt
+++ /dev/null
@@ -1,44 +0,0 @@
---- cmake/external/qt/CMakeLists.txt.orig	2024-10-11 07:45:28 UTC
-+++ cmake/external/qt/CMakeLists.txt
-@@ -16,6 +16,8 @@ if (DESKTOP_APP_USE_PACKAGED)
-         Qt::CorePrivate
-         Qt::Gui
-         Qt::GuiPrivate
-+        $<TARGET_NAME_IF_EXISTS:Qt::ServiceSupport>
-+        $<TARGET_NAME_IF_EXISTS:Qt::ServiceSupportPrivate>
-         $<TARGET_NAME_IF_EXISTS:Qt::OpenGL>
-         Qt::Widgets
-         Qt::WidgetsPrivate
-@@ -36,6 +38,7 @@ INTERFACE
-     ${qt_loc}/include
-     ${qt_loc}/include/QtCore
-     ${qt_loc}/include/QtGui
-+    $<$<TARGET_EXISTS:Qt::ServiceSupport>:${qt_loc}/include/QtServiceSupport>
-     $<$<TARGET_EXISTS:Qt::OpenGL>:${qt_loc}/include/QtOpenGL>
-     ${qt_loc}/include/QtWidgets
-     $<$<TARGET_EXISTS:Qt::OpenGLWidgets>:${qt_loc}/include/QtOpenGLWidgets>
-@@ -46,9 +49,11 @@ INTERFACE
-     $<$<TARGET_EXISTS:Qt::WaylandCompositor>:${qt_loc}/include/QtWaylandCompositor>
-     ${qt_loc}/include/QtCore/${QT_VERSION}
-     ${qt_loc}/include/QtGui/${QT_VERSION}
-+    ${qt_loc}/include/QtServiceSupport/${qt_version}
-     ${qt_loc}/include/QtWidgets/${QT_VERSION}
-     ${qt_loc}/include/QtCore/${QT_VERSION}/QtCore
-     ${qt_loc}/include/QtGui/${QT_VERSION}/QtGui
-+    ${qt_loc}/include/QtServiceSupport/${qt_version}/QtServiceSupport
-     ${qt_loc}/include/QtWidgets/${QT_VERSION}/QtWidgets
- )
- 
-@@ -97,6 +102,12 @@ set(common_qt_libs
-     lib/${qt_lib_prefix}Qt${QT_VERSION_MAJOR}Gui
-     lib/${qt_lib_prefix}Qt${QT_VERSION_MAJOR}Core
- )
-+
-+if (TARGET Qt::ServiceSupport)
-+    list(PREPEND common_qt_libs
-+        lib/${qt_lib_prefix}Qt${QT_VERSION_MAJOR}ServiceSupport
-+    )
-+endif()
- 
- if (TARGET Qt::OpenGL)
-     list(PREPEND common_qt_libs
diff --git a/net-im/telegram-desktop/files/patch-cmake_external_qt_package.cmake b/net-im/telegram-desktop/files/patch-cmake_external_qt_package.cmake
deleted file mode 100644
index 06e5d4af10e9..000000000000
--- a/net-im/telegram-desktop/files/patch-cmake_external_qt_package.cmake
+++ /dev/null
@@ -1,11 +0,0 @@
---- cmake/external/qt/package.cmake.orig	2025-05-01 07:59:09 UTC
-+++ cmake/external/qt/package.cmake
-@@ -69,6 +69,8 @@ if (QT_VERSION_MAJOR GREATER_EQUAL 6)
- 
- if (QT_VERSION_MAJOR GREATER_EQUAL 6)
-     find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGL OpenGLWidgets REQUIRED)
-+else()
-+    find_package(Qt${QT_VERSION_MAJOR} COMPONENTS ServiceSupport REQUIRED)
- endif()
- 
- if (LINUX)
diff --git a/net-im/telegram-desktop/pkg-plist b/net-im/telegram-desktop/pkg-plist
index eb0a5baffd4d..6b7179b9038e 100644
--- a/net-im/telegram-desktop/pkg-plist
+++ b/net-im/telegram-desktop/pkg-plist
@@ -1,14 +1,14 @@
-bin/telegram-desktop
+bin/Telegram
 share/applications/org.telegram.desktop.desktop
 share/dbus-1/services/org.telegram.desktop.service
 share/icons/hicolor/128x128/apps/org.telegram.desktop.png
 share/icons/hicolor/16x16/apps/org.telegram.desktop.png
 share/icons/hicolor/256x256/apps/org.telegram.desktop.png
 share/icons/hicolor/32x32/apps/org.telegram.desktop.png
 share/icons/hicolor/48x48/apps/org.telegram.desktop.png
 share/icons/hicolor/512x512/apps/org.telegram.desktop.png
 share/icons/hicolor/64x64/apps/org.telegram.desktop.png
 share/icons/hicolor/symbolic/apps/org.telegram.desktop-attention-symbolic.svg
 share/icons/hicolor/symbolic/apps/org.telegram.desktop-mute-symbolic.svg
 share/icons/hicolor/symbolic/apps/org.telegram.desktop-symbolic.svg
 share/metainfo/org.telegram.desktop.metainfo.xml