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Release note

Qt 5.15.9 release is a patch release made on the top of Qt 5.15.8. As a patch
release, Qt 5.15.9 does not add any new functionality but provides bug fixes
and other improvements.

For detailed information about Qt, see the Qt 5.15 online documentation:
https://doc.qt.io/qt-5/index.html.

Important Changes

macOS

  • Apple Silicon (arm64) is now supported for both single architecture
    and universal builds.

    A universal build of Qt is provided by the Qt Maintenance Tool as a
    standalone option, in addition to the existing x86_64 build.

    Known issues
    • Build system support for universal builds is limited to the qmake build
      system. See the documentation for details on how to enable universal
      builds for your application.

    • The Qt WebEngine and Qt PDF modules are not supported.

qtbase

  • bcd32b0a66 QTestData: fix streaming of u8 string literals in C++20
    mode
    Fixed streaming of u8 string literals in C++20 mode.

  • 8c74061dd9 SQLite: Update SQLite to v3.37.0
    Updated SQLite to v3.37.0

  • c25d9ee376 QTzTimeZonePrivate: fix UB (data race on m_icu)
    Fixed a data race on Unix platforms when implicitly-shared copies of
    QTimeZone objects were used in certain ways (e.g. calling displayName())
    from different threads and Qt was configured with ICU support.

  • 5a86aa3b17 Fix crash when text shaping fails
    Fixed a possible crash with certain fonts when shaping strings
    consisting only of control characters.

  • 47d77dd552 JSON: When clearing duplicate object entries, also clear
    containers
    A memory leak in the JSON parser when reading objects with duplicate
    keys was fixed.

  • 7888d846eb Enable all supported 1.0 device features in QVulkanWindow
    QVulkanWindow is now enabling all Vulkan 1.0 features reported as
    supported from the physical device.

  • 059c8f9381 QDesktopServices: fix ABA problem in
    QOpenUrlHandlerRegistry
    Fixed a bug where destroying and re-creating a handler object in quick
    succession could cause the registration for the handler to be lost.

  • 2b0105cdc1 QDesktopServices: deprecate destroying URL handlers w/o
    explicit unsetUrlHandler()
    URL handlers that have been passed to setUrlHandler() must now be
    removed by calling unsetUrlHandler() before they are destroyed. Relying
    on the handler's destructor to implicitly unset it is now deprecated,
    because it may already be in use by concurrent openUrl() calls. Support
    for implicit unsetting will be removed in 6.6 and, until then, a
    qWarning() is raised if it is exercised.

  • 851d69eebc QProcess/Unix: ensure we don't accidentally execute
    something from CWD
    When passed a simple program name with no slashes, QProcess on Unix
    systems will now only search the current directory if "." is one of the
    entries in the PATH environment variable. This bug fix restores the
    behavior QProcess had before Qt 5.9. If launching an executable in the
    directory set by setWorkingDirectory() or inherited from the parent is
    intended, pass a program name starting with "./". For more information
    and best practices about finding an executable, see QProcess'
    documentation.

  • 9d10338d58 Update bundled libjpeg-turbo to version 2.1.3
    libjpeg-turbo was updated to version 2.1.3

  • 48d04fbbbf Fix C++20 ambiguous relational operators between
    QJsonValue{,Ref}
    Fixed relational operators to not cause warnings/ambiguities when
    compiling in C++20.

  • 41637c0727 Fix clipped glyphs in text rendering of QGraphicsTextItem
    Clipping of visible glyphs when doing partial updates of a graphics
    view was off by 1. Also fixed an issue that caused rounding errors when
    transforming the clip rect into the glyphs draw space which was caused
    by transforming a QRect instead of a QRectF.

  • 168ff3419f Update bundled zlib to version 1.2.12
    zlib was updated to version 1.2.12.

qtimageformats

  • c4b95ac Update bundled libwebp to version 1.2.2
    Update bundled libwebp to version 1.2.2

qtwebengine

  • Security fixes from Chromium up to version 98.0.4758.102, plus fixes for CVE-2022-0971 and CVE-2022-1096

qtvirtualkeyboard

  • 222d99e0 Disable Windows IME when Qt Virtual Keyboard plugin is loaded
    Disable Windows IME when Qt Virtual Keyboard plugin is loaded

  • 84c0466a Fix activation of input panel when initial active focus is
    set
    It is now possible to open the input panel implicitly when activating
    the window. Before, this failed because the "visible" state was reset
    (due to a bug) during activation.

Fixes

qtbase

  • QTBUG-99163 QTransform rotate big image will crash
  • QTBUG-98901 QtConcurrent::run crashes on program exit
  • QTBUG-99338 Configure option change QNX armv7: neon -> no
  • QTBUG-99147
  • QTBUG-99371 QWidget::customContextMenuRequested coordinates are off
    for widgets in a QMenu
  • QTBUG-81503 qtbase contains code that isn't allowed to be distributed
  • COIN-777 *** Could not find any device matching '--platform iOS
    --minimum-deployment-target
  • QTBUG-99148 Broken html list rendering because element
  • QTBUG-97771 Interaction with Apple Pencil causes crash when app window
    is shown in Sidecar
  • QTBUG-97841 MacOS Monterey - scrolling issues with touch pad
  • QTBUG-99676 markdown (and html) import/export should not rely on use
    of a fixed-pitched font to remember a monospace span
  • QTBUG-99427 [REG:5.15.6->5.15.7]: Qt 5.15 can no longer be build with
    C++11
  • QTBUG-85040 tst_QVulkan::vulkanVersionRequest fails with CentOS 8.1
    x64
  • QTBUG-99668 Using QDateTime with QTimeZone specified asserts in debug
    build
  • QTBUG-80666 QNetworkRequest::setHeader(IfModifiedSince) treats local
    time as UTC
  • QTBUG-92358 One More Crash in text shaping on special string with
    EmojiOneColor font.
  • QTBUG-89155 Assertion violation in text shaping on special string with
    EmojiOneColor font.
  • QTBUG-99799 Memory leak in QJsonDocument::fromJson()
  • QTBUG-97535 Bug in examples for QListIterator Class
  • QTBUG-99486 Extra dot appears in top left corner of Fusion style spin
    box frames with no buttons
  • QTBUG-95309 Compile fails with Qt in namespace and C++20
  • QTBUG-99743 QTabWidget rendering broken on macOS 12
  • QTBUG-93393 Android A11Y TalkBack: Hidden onPressAction still called
  • QTBUG-62185 QVersionNumber seems broken on -O1 and higher with g++
  • QTBUG-87136 Animations run twice as fast on a 120hz Android device
  • QTBUG-93823 Android QPlatformScreen does not expose the refresh rate:
    Animations (and timers) too fast on higher refresh rate monitors
  • QTBUG-94959 Timer and animations runs faster after screen touch event
    on Android 11
  • QTBUG-44096 QNetworkAuthenticationManager does not emit
    authenticationRequired when using NTLM
  • QTBUG-99050 Windows/5.15: Some dx symbols cannot be found due to
    directxsdk update
  • QTBUG-99323 [REG: 5.14.2 -> 5.15.0] Posted events get stuck when
    QCoreApplication::processEvents with QEventLoop::WaitForMoreEvents is
    used
  • QTBUG-100364 QStandardPaths GenericDataLocation for iOS seems to
    mention wrong path
  • QTBUG-86733 [Android] NoSuchMethodException when using QtMultimedia
  • QTBUG-93402 Android A11Y TalkBack: Focus Rect not updated on
    orientation Change
  • QTBUG-100511 windows: QLocalSocket can emit readyRead() after
    disonnected()
  • QTBUG-100217 [REG 6.2.2 -> 6.2.3] Integer overflow when rendering svg
    image
  • QTBUG-100545 Nested QML items with Accessible properties set does not
    work on Android
  • QTBUG-100775 Several data races around handlers of
    QDesktopServices::openUrl()
  • QTBUG-100362
    tst_QNetworkReply::putWithServerClosingConnectionImmediately is flaky
  • QTBUG-63196 QNetworkReply::putWithServerClosingConnectionImmediately
    fails on Windows
  • QTBUG-98476
    tst_QNetworkReply::putWithServerClosingConnectionImmediately fails in
    QtBase with Windows 11
  • QTBUG-82314 WinRT UWP (x64 and x86) missing Microsoft.VCLibs.160.00
  • QTBUG-100261 QPrinter property setup not effect
  • QTBUG-99504 Linux: QPrinter::setDuplex not effective ( Canon
    imageRUNNER 2520 )
  • QTBUG-100651 Unable to follow HTTP/2 redirects
  • QTBUG-101306 enum-enum warning in qxcbwindow.cpp is genuiune
  • QTBUG-101028 argv passed to Android apps is not sufficiently
    terminated
  • QTBUG-28379 QFileDialog: aliases to folders disabled
  • QTBUG-101551 wasm multiple "use after free" in
    QNetworkReplyWasmImplPrivate::doSendRequest
  • QTBUG-100670 QDockWidgetGroupWindow effectively sets new dockarea
    permissions on qdockwidget
  • QTBUG-93505 Unable to retrieve the swiped Filedialog
  • QTBUG-51327 [Windows 8.1]: After maximizing a window and toggling the
    frameless window hint and moving to another monitor then the window can
    be too big
  • QTBUG-93432 QGraphicsTextItem font gets incorrectly clipped when a
    clip rect is set on the painter.
  • QTBUG-100327 CompositionMode_Screen wrong with drawImage
  • QTBUG-100037 QSqlQuery: crash on executing query if connection is
    already closed
  • QTBUG-101745 Running qmake on iOS build fails on macOS 12.3 Monterey
  • QTBUG-99345 Document footer copyright note has old year, 2020
  • QTBUG-97503 Reg[5.15.2-5.15.6] Android: Keyboard covers the inputfield
  • QTBUG-81917 QtWidgets fails to build with clang 10.0-rc1 in C++20 mode
  • QTBUG-81583 QTextMarkdownWriter: if a task list item's first line ends
    with monospace text, trailing backtick is omitted
  • QTBUG-96718 Crash in inBindingWrapper() (Creator built against Qt 6.2
    build)
  • QTBUG-99009 QCursor::setPos X coordinates is wrong when DPI scaling is
    used
  • QTBUG-99642 Can't define CSS with properties for QToolButton with Qt 6
  • QTBUG-92909 When following redirects, a PROPFIND request (and probably
    others) are converted to a GET
  • QTBUG-99803 QVulkanWindow doesn't enable any device features (e.g.
    VkDeviceCreateInfo::pEnabledFeatures)
  • QTBUG-99506 Loader with states and children loaders crashes on
    Integrity (release only)
  • QTBUG-84248 tst_QFont::defaultFamily fails
  • QTBUG-95764 pure virtual call in QAccessibleQuickItem
  • QTBUG-98478 tst_QFileSystemWatcher::signalsEmittedAfterFileMoved fails
    in QtBase with Windows 11
  • QTBUG-84258 tst_Gestures::graphicsItemGesture fails
  • QTBUG-98649 Qt Android creates View IDs in a way potentially leading
    to a collision
  • QTBUG-68860 tst_QGlyphRun::mixedScripts autotest fails on Ubuntu 18.04
    and QEMU builds
  • QTBUG-93396 Android A11Y TalkBack: Slider does not announce value on
    change
  • QTBUG-95237 [REG 6.0.4 -> 6.1.0] Integer-overflow in
    QFixed::operator+= through QImage::loadFromData(QByteArray)
  • QTBUG-101636 FAIL! : tst_QDBusConnection::registerObjectPeer2 in
    Ubuntu_20_04
  • QTBUG-94459 Android reports incorrect screen size after rotation
  • QTBUG-72110 MouseArea stops responding

qtsvg

  • QTBUG-99407 [REG 6.1.3 -> 6.2.0] Loading svg file takes too long

qtdeclarative

  • QTBUG-75799 Strange flickering when restarting an animation with
    PauseAnimation and ScaleAnimator
  • QTBUG-84196 Crash when calling QQmlEngine::retranslate
  • QTBUG-92998 Items in GridView shifts to the right when using RTL
    layoutDirection
  • QTBUG-97771 Interaction with Apple Pencil causes crash when app window
    is shown in Sidecar
  • QTBUG-99400 [Reg 5.2 -> 5.3] qmlplugindump: error details missing on
    linux
  • QTBUG-99608 tst_qmlcachegen (Failed)
  • QTBUG-49049 arcTo doesn't always get drawn
  • QTBUG-86453 Instantiator creates delegates when active is false if
    items are dynamically added to a ListModel
  • QTBUG-88331 Instantiator creates delegate when active is false and
    delegate is updated
  • QTBUG-83315 Qt Quick SceneGraph: Indices alignment problem
  • QTBUG-86695 [REG: 5.12 -> 5.14] Broken State::when behavior after
    suspicious change
  • QTBUG-100260 Crash on access after using QML singleton as a model
  • QTBUG-77371 Accessibility: Multiple Text items with Accessible
    properties grouped together on Android
  • QTBUG-85325 when a PointerHandler with a custom cursor deactivates,
    the cursor doesn't change until the next mouse move
  • QTBUG-85303 HoverHandler margin not changing cursorShape
  • QTBUG-81938 qtdeclarative:
    tst_QPauseAnimationJob::multipleSequentialGroups is flakey
  • QTBUG-99765 tst_QQuickDropArea::containsDrag_internal fails in Ubuntu
    20.04
  • QTBUG-64470 tst_QQuickFramebufferObject::testInvalidate is failing on
    macOS
  • QTBUG-65614 tst_QQuickFramebufferObject failed on b2qt
  • QTBUG-89193 ListView delegate position resets after displaced
    transition
  • QTBUG-100431 Crash in libQt5Qml V4 engine caused by wrong memory
    access
  • QTBUG-89380 Cannot use QtObject as containmentMask
  • QTBUG-92809 ListView can go out of sync with the model if item is
    removed and inserted outside of the view before the current item
  • QTBUG-101499 FAIL! : tst_QQuickMultiPointTouchArea::nonOverlapping in
    Ubuntu_20_04
  • QTBUG-101498 FAIL! : tst_QQuickListView::currentIndex in Ubuntu_20_04

qtmultimedia

  • QTBUG-101450 gstreamer: QMediaPlayer::duration gives wrong result in
    very long videos

qttools

  • QTBUG-96549 make clean removes ts file when using
    qt5_create_translation()
  • QTBUG-97562 qdoc: Assert when there's an empty link target
  • QTBUG-98466 Misleading error messages when using macdeployqt on
    AppleSilicon Macs

qtdoc

  • QTBUG-99847 Update Qt Creator info in Qt Quick tutorial
  • QTBUG-100434 Tutorials/alarms not launching on macOS

qtconnectivity

  • QTBUG-98582 QT Bluetooth LE crashed when connect/disconnect to a
    device
  • QTBUG-98719 QBluetoothSocket deletion occasionally crashes on Windows
  • QTBUG-99687 Windows BT service scan scans just one device
  • QTBUG-99410 [macOS 12.1] Bluetooth data stream blocked when main menu
    opened
  • QTBUG-99689 Windows BT service scan filter fails against Linux server
  • QTBUG-99673 Service discovery with UUID filter doesn't work on macOS
    Monterey
  • QTBUG-100445 macOS bluetooth SDP records contain anomalies
  • QTBUG-99767 [5.15.7 -> 5.15.8] Bluetooth error: Make sure
    'QHash' is
    registered using qRegisterMetaType()
  • QTBUG-100289 pingpong Linux => Windows doesn't work
  • QTBUG-100303 Bluetooth RFComm [Outbound] connection issue with
    Monterey
  • QTBUG-100894 Linux bluetooth crash when multiple services found
  • QTBUG-101018 Bluez backend doesnt extract socket protocol information
    from service info
  • QTBUG-101690 QBluetoothSocket::canReadLine can sometimes return false
    negative
  • QTBUG-98351 Thread-safe Android BT LE Java implementation
  • QTBUG-98955 tst_QBluetoothServiceInfo::tst_assignment fails on macOS
    12 ARM
  • QTBUG-100042 Windows BT (server) pingpong service is not found
  • QTBUG-99685 Windows BT classic service scan doesn't always start
  • QTBUG-101309 Bluez handle Enhanced LE connection complete

qtwayland

  • QTBUG-90530 Low resolution title bar icon on Wayland on Hi DPI
    displays
  • QTBUG-95032 Dialogs on Wayland/Sway not drawn correctly when using
    client side decorations
  • QTBUG-99965 Build with -no-feature-tabletevent fails for Linux/Wayland
  • QTBUG-100467 Window geometry is not updated when toggling the
    frameless window flag
  • QTBUG-87303 Wayland context menus can go off the screen because Qt
    does not do set_constraint_adjustment
  • QTBUG-100942 Mouse button kept pressed state after closing the window
    in mouse press handler
  • QTBUG-100150 Touch event ignored when main GUI thread is slow

qt3d

  • QTBUG-99414 License.txt file not found under
    src/3rdparty/assimp/contrib/clipper
  • QTBUG-85575 Qt3D access violation (SIGSEGV) while closing example
    application
  • QTBUG-98421 tst_QChangeArbiter::distributePropertyChanges fails with
    Ubuntu 20.04 in Qt3d
  • QTBUG-101556 FAIL! : tst_GraphicsHelperGL4::bindFrameBufferAttachment
    in Ubuntu_20_04

qtwebengine

  • QTBUG-98918 [REG] recentlyAudible does not implement 2s cooldown
    anymore
  • QTBUG-99403 MacOS 12 x86_64 build fails with Webengine: Undefined
    symbols for architecture x86_64
  • QTBUG-99263 QProcess::finished not emitted
  • QTBUG-86972 [REG] QtPDF isn't properly installed as a framework unless
    WebEngine is also installed
  • QTBUG-100023 Cannot use Qt6::Pdf Module (Not Found)
  • QTBUG-94924 Load signals not emitted when opening a google result
  • QTBUG-86948 When using QImageReader to load a PDF then the PDF images
    can be blurry and seem to be at half the size they should be
  • QTBUG-98941 [Qt5.15.4][QWebEngine]QWebEnginePage::print() function
    printing a grey paper while printing a PDF in Qt5.15.4
  • Security fixes from Chromium up to version 98.0.4758.102

qtquickcontrols2

  • QTBUG-96888 Not possible to quickly click buttons
  • QTBUG-99644 invalid access of indicator item inside switch type
    destructor
  • QTBUG-96551 Crash while processing a shortcut key
  • QTBUG-96561 MenuItem does not clear shortcuts from GUI kernel
  • QTBUG-99547 PathView item does not appear in certain circumstance
  • QTBUG-51078 Use of Item obligatory in SwipeView?
  • QTBUG-51669 QQC2: SwipeView is not working as expected

qtpurchasing

  • QTBUG-99568 [REG: 5.15.6->5.15.8] Qt Purchasing doesn't restore
    purchased products.

qtdatavis3d

  • QTBUG-99764 tst_proxy::addModel fails with Ubuntu 20.04 in lts-5.15
  • QTBUG-100815 tst_proxy::construct failed with Ubuntu 20.04

qtvirtualkeyboard

  • QTBUG-93042 Program crashed when type with keyboard
  • QTBUG-86190 Shift button on virtual keyboard is disabled on startup of
    application
  • QTBUG-97830 Some Qt Virtual Keyboard tests checking the position of
    selection handles are failing
  • QTBUG-101622 FAIL! : inputpanel::tst_plugin::test_hangulInputMethod
    in Ubuntu_20_04

qtspeech

  • QTBUG-66034 Locales are not displayed QtSpeech example on Android

qtremoteobjects

  • QTBUG-85124 QRemoteObjectHost::hostUrl() crashes if no URL is set

qtquick3d

  • QTBUG-101371 Node.sceneRotation may get wrong if parent node is scaled
    non-uniformly

Known Issues

  • Check that your system meets Qt's requirements:
    https://doc.qt.io/qt-5.15/supported-platforms.html

  • The RTA (release test automation) reported issues in Qt 5.15.x:
    https://bugreports.qt.io/issues/?filter=21874

  • Qt 5.15.9 Open issues in Jira:
    https://bugreports.qt.io/issues/?filter=24473

Credits for the release goes to:

Eirik Aavitsland
Mike Achtelik
Laszlo Agocs
Viktor Arvidsson
Albert Astals Cid
Eskil Abrahamsen Blomfeldt
Sören Bohn
Joerg Bornemann
Assam Boudjelthia
Michael Brüning
Andreas Buhr
Michał Cieślak
Alexandru Croitor
Mitch Curtis
Giuseppe D'Angelo
Szabolcs David
Alexey Edelev
Oliver Eftevaag
Hatem ElKharashy
David Faure
Ilya Fedin
Maximilian Goldstein
Richard Moe Gustavsen
Tang Haixiang
Heikki Halmet
Zhang Hao
Andreas Hartmetz
Jani Heikkinen
Ulf Hermann
Volker Hilsheimer
Allan Sandfeld Jensen
William Jones
André Klitzing
Seokha Ko
Jarek Kobus
Jarkko Koivikko
Tomi Korpipaa
Jani Korteniemi
Fabian Kosmale
Sona Kurazyan
Jonas Kvinge
Kai Köhne
Inho Lee
Tony Leinonen
Paul Lemire
Thiago Macieira
Ievgenii Meshcheriakov
Leena Miettinen
Andrey Mozzhuhin
Marc Mutz
Antti Määttä
Sivan Nanthiran
Delf Neumärker
Yuya Nishihara
Mårten Nordheim
Kimmo Ollila
Pasi Petäjäjärvi
Samuli Piippo
Timur Pocheptsov
Joni Poikelin
Rami Potinkara
Lorn Potter
Liang Qi
Topi Reinio
Bernhard Rosenkraenzer
Shawn Rutledge
Lars Schmertmann
Ye ShanShan
Tianlu Shao
Andy Shaw
Ivan Solovev
Axel Spoerl
Patrick Stewart
Christian Strømme
Tarja Sundqvist
Morten Johan Sørvig
Benjamin Terrier
Ivan Tkachenko
Tor Arne Vestbø
Juha Vuolle
Edward Welbourne
Oliver Wolff
Weng Xuetian
Marianne Yrjänä
Vlad Zahorodnii