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Release note

Qt 5.15.7 release is a patch release made on the top of Qt 5.15.6. As a patch
release, Qt 5.15.7 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

qtbase

  • 41fabc9b27 Fix bug with NoFontMerging when font does not support
    script
    Fixed an issue with NoFontMerging and changing font families
    dynamically, where boxes would be seen in place of the correct text.

  • 07815c61d2 OpenSSL: Let people opt-in to use TLS 1.3 PSK callback
    When using TLS 1.3 we suppress the first callback from OpenSSL about
    pre-shared keys, as it doesn't conform to the past behavior which
    preSharedKeyAuthenticationRequired provided. With this update you can
    opt-out of that workaround by setting the QT_USE_TLS_1_3_PSK environment
    variable

  • bc36ae33e8 Fix license information for libjpeg-turbo
    Clarified that libjpeg-turbo is actually covered by three licenses, not
    only IJG.

  • 9929873fdf SQLite: Update SQLite to v3.36.0
    Updated SQLite to v3.36.0

  • ea5edb67a9 Update bundled libjpeg-turbo to version 2.1.1
    libjpeg-turbo was updated to version 2.1.1

  • b7598fd7e9 Fix querying font aliases that share name with other fonts
    Fixed an issue where some font styles and weights would not be
    selectable. This was especially noticeable on Windows.

  • 4851da1509 Update PCRE2 to 10.38
    PCRE2 has been updated to version 10.38.

  • 4c1a95efa9 Revert "Support family names that end/start with space"
    Fixed an assert that happened when the system had a font with a
    trailing or leading space in its name.

qtdeclarative

  • 4757cac470 Fix distorted text with subpixel matrix translation
    Fixed an issue where text using NativeRendering would look slightly
    skewed if it was inside a parent that had been positioned at a subpixel
    offset.

qtwayland

  • 36060ad8 Ignore viewporter buffer size when buffer is null
    Fixed an issue in the wp_viewporter extension, where it would emit a
    protocol error if the viewport was configured before attaching a buffer
    to the surface.

  • 3ff4cd60 Implement wp_viewporter support for video buffer formats
    Support for wp_viewporter extended to cover less common buffer formats.

qtimageformats

  • e8585ba Update bundled libwebp to version 1.2.1
    Update bundled libwebp to version 1.2.1

Fixes

qtbase

  • QTBUG-30522 macOS: Closing application window while context menu is
    open leaves menu open
  • QTBUG-94826 Build Failure with LTTNG enabled
  • QTBUG-69975 Cocoa NSFullSizeContentViewWindowMask was wiped when
    toggling fullscreen
  • QTBUG-81770 Garbled character is displayed when switching Arabic to
    another language
  • QTBUG-94951 Qt 6.2 alpha assertion failed in qunicodetools.cpp
  • QTBUG-94091 Nested Graphicsview does not works as expected
  • QTBUG-87128 In the help pages: The QFileInfo::setFile() example is
    really the QDir::setCurrent() one
  • QTBUG-96101 QPMCache deleted from another thread
  • QTBUG-88989 Build errors on Android with latest gradle
  • QTBUG-92018 QLocale date toString uses standalone name where plain
    name should be used
  • QTBUG-86279 QLocale::system()'s standaloneDayName() and dayName() use
    the same back-end
  • QTBUG-52450 macOS: Closing a window that's in fullscreen removes the
    window, but doesn't exit fullscreen
  • QTBUG-81552 macOS: Wrong cursor shown when the mouse is moved slowly
    into window
  • QTBUG-96003 [Reg Qt5.9.9 -> Qt5.15] setCursor() does not work on
    QWidget inside QWidget
  • QTBUG-68069 Exiting fullscreen window leaves the application in
    fullscreen mode on macOS
  • QTBUG-96170 WASM: data URI scheme does not work
  • QTBUG-91059 Mac: Multiple modal dialogs block all input
  • QTBUG-96305 [REG 5.15.5 -> 5.15.6] xcode builds broken if OBJECTS_DIR
    set
  • QTBUG-79016 Processing qm file name error when using config
    embed_translations
  • QTBUG-95108 Reg[Qt 5.15.4->Qt5.15.5] Qt::MetaModifier and
    Qt::GroupSwitchModifier is always set
  • QTBUG-95289 GroupSwitchModifier always present in event.modifiers()
  • QTBUG-49771 Backspace key is not working when CapsLock is on
  • QTBUG-72872 Nested QtConcurrent::map cause deadlock
  • QTBUG-96208 macOS: Crash on application exit due to unloading library
    with objc class
  • QTBUG-87669 few gui tests fail to build on Android
  • QTBUG-95202 Auto-generated android-*-deployment-settings.json contains
    wrong path to immediate qrc file on Qt 6
  • QTBUG-95235 Building Quick Controls 2 examples with Qt 6.1.1 for
    Android fails
  • QTBUG-94835 Font Weight not properly reflected
  • QTBUG-42661 Wrong dialog activation
  • QTBUG-96600 Some QGuiApplication command line options have incorrect
    descriptions
  • QTBUG-95013 pt_BR translations not loaded
  • QTBUG-96926 QImage::convertToFormat(format, colorTable) doesn't
    preserve devicePixelRatio
  • QTBUG-96846 Many messages "QThread::wait: Thread tried to wait on
    itself" when Creator starts new threads
  • QTBUG-96621 Missing QHash include in qcocoawindow.h
  • QTBUG-91438 iOS enormous leak ends with "Terminated due to memory
    issue"
  • QTBUG-95827 qmake CONFIG+=Debug leads to release builds
  • QTBUG-85574 No focus on window after showing and hiding a modal dialog
  • QTBUG-92958 Blinking scrollbar with QScrollArea and edge cases.
  • QTBUG-97179 Assertion failure inside of QNetworkAccessManager thread
  • QTBUG-93885 ASSERT failure in void __cdecl
    QtFontFamily::ensurePopulated(void) on system registed font
  • QTBUG-79140 [REG 5.13.0 -> 5.14.0]OTF fonts don't work correctly
  • QTBUG-86094 Generating large pdf files when using pen with zero width
  • QTBUG-96838 signing Android app bundles fails with 6.2.0-rc
  • QTBUG-95565 Qt Creator cannot build Qt 6 for iOS from the start
  • COIN-777 *** Could not find any device matching '--platform iOS
    --minimum-deployment-target
  • QTBUG-89296 No way to specify C standard for Visual Studio 2019 in
    qmake project
  • QTBUG-83081 QTextCodec::canEncode does not work for ICU conversions
  • QTBUG-95670 PSK doesn't work when both the client and server use TLS
    1.3
  • QTBUG-95661 Test result counts are incorrect
  • QTBUG-94451 Switch Android target SDK to 30 for Qt 6.2
  • QTBUG-96345 tst_QSocks5SocketEngine::simpleConnectToIMAP() is flaky on
    Ubuntu
  • QTBUG-95249 OpenSSL TLS backend plugin missing in macOS installation
    from official binary
  • QTBUG-95042 QFrame Qt::WA_TranslucentBackground is broken with
    specific window flags and drawable child item
  • QTBUG-96057 Bluetooth crash when connectToPairedDevice on windows
  • QTBUG-70137 Dockwidgets - Placing QDockWidget is almost impossible
  • QTBUG-58013 Cursor position changes not properly passed to input
    method
  • QTBUG-93414 Qt Quick application stuck in a cursor update loop
  • QTBUG-95669 Clicking enter on some text fields it might freeze UI
  • QTBUG-96671 Android: Keyboard sometimes stuck and replacing previous
    letter
  • QTBUG-96675 Android: Cursor is shown in wrong place
  • QTBUG-96769 Android: keyboard input can get lost

qtdeclarative

  • QTBUG-95825 Live preview not starting
  • QTBUG-95461 QQuickTextInput doesn't manage pre-edit text correctly
  • QTBUG-89409 Unable to scroll listview by dragging / swiping if header
    is used
  • QTBUG-95881 Single QSGRenderNode-based element in the scene with
    "clip" property enabled is not rendered
  • QTBUG-55204 Crash when items that use shaders are being used
  • QTBUG-96902 Import of JS module to QML does not work
  • QTBUG-86744 ListView.isCurrentItem not available until model is
    refreshed
  • QTBUG-96275 Crash while loading QML type data from disk cache
  • QTBUG-96112 Text tearing on text element when set inside parent
    element with noninteger y value
  • QTBUG-83626 When a Popup has an odd number for the width and/or height
    then texts inside it can be rendered badly
  • QTBUG-55638 garbled font after scrolling with mouse wheel
  • QTBUG-95788 Singletons with clearComponentCache don't fully work

qtmultimedia

  • QTBUG-93747 CMake configuration files unable to find QtMultimedia for
    QNX

qttools

  • QTBUG-96220 qt6_create_translation() mishandles -extensions due to
    malformed regex
  • QTBUG-96369 qdoc: The obsolete members page for the QtMac namespace is
    not generated
  • QTBUG-96837 qdoc: warnings about generatelist incorrectly formatted
  • QTBUG-91082 [REG: 5.12->5.13] Assistant does not support custom
    filters anymore
  • QTBUG-90982 macdeployqt mistakenly detect my library as debug libs

qttranslations

  • QTBUG-95014 pt_BR translations load incorrect catalogs
  • QTBUG-95013 pt_BR translations not loaded

qtconnectivity

  • QTBUG-93991 Run example Heartrate monitor server on iOS and on Windows
  • QTBUG-95960 IOBluetoothDeviceInquiry never ends
  • QTBUG-95686 Multiple Bluetooth tests fail on macOS
  • QTBUG-80719 connectToDevice() hangs when trying to connect to faulty
    Bluetooth device
  • QTBUG-89149 QLowEnergyController::connectToDevice
  • QTBUG-97242 Windows: 100% CPU load when reading services and
    characteristics
  • QTBUG-96057 Bluetooth crash when connectToPairedDevice on windows
  • QTBUG-83633 Bluetooth Discovery device crash

qtwayland

  • QTBUG-95464 Qt wayland surface is empty when gst-launch client is
    playing video
  • QTBUG-87624 Wayland client crash when QDrag is used
  • QTBUG-95715 Incorrect texture handling in multi-screen wayland
    compositor

qtwebengine

  • QTBUG-95770 Cannot open recently saved file
  • QTBUG-95269 Clicking on a link in the PDF viewer crashes with SIGSEGV
  • QTBUG-96928 QtWebEngine continuously allocates memory until it get
    killed
  • QTBUG-96911 qtwebengine build fails with harfbuzz-3.0.0
  • QTBUG-97414 tst_CertificateError::fatalError()
    '!page.error->isOverridable()' returned FALSE.
  • QTBUG-96214 QtWebEngineProcess crashes on glibc 2.34
  • Linux sandbox: fix fstatat() crash
  • Security fixes from Chromium up to version 94.0.4606.81, including:
    • CVE-2021-30613: Use after free in Base internals
    • CVE-2021-30616: Use after free in Media.
    • CVE-2021-30618: Inappropriate implementation in DevTools
    • CVE-2021-30625: Use after free in Selection API
    • CVE-2021-30626: Out of bounds memory access in ANGLE
    • CVE-2021-30627: Type Confusion in Blink layout
    • CVE-2021-30628: Stack buffer overflow in ANGLE
    • CVE-2021-30629: Use after free in Permissions
    • CVE-2021-30630: Inappropriate implementation in Blink
    • CVE-2021-30633: Use after free in Indexed DB API
    • CVE-2021-37962: Use after free in Performance Manager
    • CVE-2021-37967: Inappropriate implementation in Background Fetch API
    • CVE-2021-37968: Inappropriate implementation in Background Fetch API
    • CVE-2021-37971: Incorrect security UI in Web Browser UI.
    • CVE-2021-37972: Out of bounds read in libjpeg-turbo
    • CVE-2021-37973: Use after free in Portals
    • CVE-2021-37975: Use after free in V8
    • CVE-2021-37978: Heap buffer overflow in Blink
    • CVE-2021-37979: Heap buffer overflow in WebRTC
    • CVE-2021-37980: Inappropriate implementation in Sandbox
    • Security bug 1206289
    • Security bug 1227228
    • Security bug 1238178
    • Security bug 1239116
    • Security bug 1248665

qtquickcontrols2

  • QTBUG-93050 Memory leak in qiconhelper.cpp when loading icon by name
  • QTBUG-94251 tst_QQuickPopup fails with OpenSUSE 15.3

qtpurchasing

  • QTBUG-90839 Google Play billing api must be updated

qtcharts

  • QTBUG-94998 5.15.4 -> 5.15.5, some labels disappeared from axes
  • QTBUG-79218 When zooming out enough then the labels on the axes will
    end up showing drawing errors

qtdatavis3d

  • QTBUG-96206 Graph's orthoprojection property doesn't work like
    documentation says

qtvirtualkeyboard

  • QTBUG-95996 Segmentation fault on exit caused by virtual keyboard

Known Issues

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

qtwebengine

The CHROMIUM_VERSION file includes an incorrect version number 94.0.4606.61.
The correct Chromium patch level version number is 94.0.4606.81.

Credits for the release goes to:

Eirik Aavitsland
Mike Achtelik
Laszlo Agocs
Alexander Akulich
Dimitrios Apostolou
Eskil Abrahamsen Blomfeldt
Joerg Bornemann
Assam Boudjelthia
Michael Brasser
Oswald Buddenhagen
Andreas Buhr
Mitch Curtis
Giuseppe D'Angelo
David Faure
Josep Ma. Ferrer
Richard Moe Gustavsen
Ulf Hermann
Volker Hilsheimer
Andreas Holzammer
Lars Knoll
Jarkko Koivikko
Jani Korteniemi
Kai Köhne
Ievgenii Meshcheriakov
Marc Mutz
Yuya Nishihara
Mårten Nordheim
Timur Pocheptsov
Joni Poikelin
Aleix Pol
Lorn Potter
Liang Qi
Topi Reinio
Shawn Rutledge
Craig Scott
Luca Di Sera
Dmitry Shachnev
Andy Shaw
Ivan Solovev
Tarja Sundqvist
Jan Arve Sæther
Morten Johan Sørvig
Tyson Tan
Ivan Tkachenko
Jens Trillmann
Paul Olav Tvete
Sami Varanka
Doris Verria
Tor Arne Vestbø
Juha Vuolle
Edward Welbourne

generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 12:45:46 +0000