289 lines
10 KiB
Groff
289 lines
10 KiB
Groff
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Qt 5.6.3 is a bug-fix release. It maintains both forward and backward
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compatibility (source and binary) with previous Qt 5.6.x releases.
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For more details, refer to the online documentation included in this
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distribution. The documentation is also available online:
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http://doc.qt.io/qt-5/index.html
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The Qt version 5.6 series is binary compatible with the 5.5.x series.
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Applications compiled for 5.5 will continue to run with 5.6.
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Some of the changes listed in this file include issue tracking numbers
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corresponding to tasks in the Qt Bug Tracker:
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https://bugreports.qt.io/
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Each of these identifiers can be entered in the bug tracker to obtain more
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information about a particular change.
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*****************************************************************************
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* License Changes *
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*****************************************************************************
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- Static libraries that are linked into executables (winmain and
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qopenglextensions) are now licensed under BSD _and_ commercial licenses.
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******************************************************************************
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* Important Behavior Changes *
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******************************************************************************
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- QPluginLoader:
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* [QTBUG-49061] QPluginLoader no longer performs the actual unloading of
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the plugin either on destruction or when unload() is called. This does
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not affect QLibrary and QLibrary::unload().
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******************************************************************************
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* Library *
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******************************************************************************
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QtCore
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------
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- QDir:
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* [QTBUG-58390] Fixed the implementation of mkpath() to not attempt to
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mkdir directories that already exist, especially those in automount
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filesystems (like /home).
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- QHash / QMultiHash:
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* [QTBUG-60395] Fixed a bug that caused operator== not to return true if
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two containers had the elements with duplicate keys but in different
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order.
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- QLocale:
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* [QTBUG-59159] Fixed the parsing of day-of-week names that start with the
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name of another day.
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- QObject:
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* [QTBUG-59500] disconnectNotify() is now called when a connection is
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disconnected using its QMetaObject::Connection handle.
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* [QTBUG-52439] Fixed a bug that would cause applications compiled with the
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Intel compiler to fail to connect signals and slots.
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- QUrl:
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* [QTBUG-60364] Fixed a bug that caused certain domain names that look
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like Internationalized Domain Names to become corrupt in decoded forms
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of QUrl, notably toString() and toDisplayString().
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* Updated the table of valid top level domains
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- QVarLengthArray:
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* Fixed a bug involving appending an item already in the container to
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the container again.
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* [QTBUG-57277] Fixed a crash when initializing the array with an empty
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std::initializer_list.
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QtSql
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-----
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- MySql
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* Fixed the build of MySql plugin with MySql 5.0
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* [QTBUG-53397] Fixed the parsing of tinyint(1) when used via prepared
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statements.
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- PostgreSQL:
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* [QTBUG-59524] Fixed datetime formats when the system locale doesn't use
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arabic numerals
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QtDBus
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------
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- QDBusServer
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* [QTBUG-55087] Fixed a bug causing certain messages that arrive soon after
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the client connects not to be processed.
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QtNetwork
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---------
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- QNetworkInterface
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* Fixed the reporting of virtual interfaces on Linux.
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- QSslSocket
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* [QTBUG-43388][QTBUG-55170] Fixed a bug that caused the read buffer's max
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size not to be respected when using SecureTransport
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* [QTBUG-49554] Made sure that the QSslConfiguration is up-to-date when the
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QNetworkReply::encrypted() signal is emitted.
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QtGui
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-----
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- Various fixes to our high DPI support.
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- CSS parser:
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* [QTBUG-53919] Fixed a crash while parsing malformed CSS.
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- PDF writer:
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* [QTBUG-56489] Monochrome images are now handled correctly.
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- QImage:
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* Fixed a crash when rendering to GrayScale8 images.
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* [QTBUG-56252] Fixed an illegal memory access when rotating images.
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* [QTBUG-59211] Improved rejection of corrupt images with invalid header
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info.
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- QMatrix4x4:
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* operator*=() now calculates the correct result even if the RHS and LHS
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are the same object.
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- QPainter
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* [QTBUG-14614] Fixed a read-after-free when using gradients.
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* [QTBUG-56969] Fixed painting artifacts for certain dashed lines.
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- Text:
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* [QTBUG-55222] Always return a correct list of fallback fonts
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* [QTBUG-55255][QTBUG-56714] Trailing whitespace are now properly taken
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into account when shaping lines
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* [QTBUG-53911] Fixed a crash that could happen if you were doing many
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different text layouts with different fonts and superscript or
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subscript alignment.
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* [QTBUG-56659] Fixed a regression where raster fonts on Windows were
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detected as smoothly scalable and thus rendering with said fonts in Qt
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Quick would break.
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* [QTBUG-51223] Fixed synthesized oblique for non-latin text on
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platforms using the basic font database, such as Android.
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* [QTBUG-56714] Fixed a bug where a no-break space would sometimes cause
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the first character of the containing line to not be displayed.
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* [QTBUG-48005] Fixed clipping errors and too small bounding rects for
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some right-to-left text.
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* [QTBUG-57241] Fixed a crash for very tall glyphs.
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* [QTBUG-55569] Fixed Myanmar rendering with some fonts.
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* [QTBUG-56659] Fixed the reporting of whether fonts are smoothly scalable
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on Windows.
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* [QTBUG-58364][QTBUG-42074][QTBUG-57003] Formatting characters are now
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accepted as valid input.
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QtWidgets
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---------
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- Input:
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* [QTBUG-42074][QTBUG-57003] Characters in Private Use Area, as well as
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zero-width joiners and zero-width non-joiners are now accepted as input
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in QLineEdit and QTextEdit.
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- QDockWidget:
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* [QTBUG-7460][QTBUG-52354] Size of widgets no longer changed just because
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they are in a floating dock.
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* [QTBUG-58036] Dock widgets now have the correct parent after a drag.
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* [QTBUG-58049] Fixed clearing the dock indicator when not over a floating
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dock group window.
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- QMainWindow:
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* [QTBUG-56628] Fixed crash using takeCentralWidget when the central
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widget was not set.
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- QPixmapStyle:
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* Now handles progress bars with minimum != 0 correctly.
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- QPopup
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* [QTBUG-57292] Popups blocked by modal dialogs are now properly closed.
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- QTextEdit
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* [QTBUG-55758] Placeholder text is no longer shown while composing text.
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- QTooltip:
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* [QTBUG-55523] QTooltip is now properly hidden when a close event is
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received.
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* [QTBUG-55523] Tooltips no longer prevent closing of the app on
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lastWindowClosed()
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- QWidget:
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* [QTBUG-50589] Show and hide events are now properly sent to children on
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minimize/restore.
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* [QTBUG-53068] Fixed enter/leave events on popup menus.
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- Style sheets:
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* [QTBUG-55597] Now honors the font set on HeaderView section.
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******************************************************************************
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* Platform-specific Changes *
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******************************************************************************
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Android
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-------
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- [QTBUG-44697] Removed old work-around which was causing OpenGL shader
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compilation to fail on updated Android emulators.
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Darwin
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------
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- [QTBUG-61034] QT_NO_EXCEPTIONS is now correctly set for Objective C++
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source files.
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- [QTBUG-57165] Made QDir::tempPath() return the same directory as
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NSTemporaryDirectory, instead of a hardcoded "/tmp".
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- [QTBUG-55896] Fixed a bug that would cause QFileSystemWatcher to fail to
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watch certain paths containing non-ASCII characters.
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- [QTBUG-56124] Fixed a bug that would cause data corruption in QSettings
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when storing QStrings containing NULs, when storing to native format.
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- iOS specific:
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* Starting from iOS 10, Apple requires all apps that need access to photos
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to have the key 'NSPhotoLibraryUsageDescription' in the Info.plist.
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Therefore, to get the same support in Qt (when, e.g., using a file
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dialog), the Info.plist assigned to QMAKE_INFO_PLIST will need this key
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as well.
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* [QTBUG-49893] The shortcuts bar on iPad is now hidden when showing menus.
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- macOS specific:
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* Speech to text dictation now works for Qt text input.
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* Various bug fixes to menu bar handling.
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QNX
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---
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- Qt can now handle more than 256 file descriptors open in the same process,
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up to a limit of 1000.
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WinRT
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-----
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- Various fixes in our event and timer handling.
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X11
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---
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- [QTBUG-55942] Qt::WindowNoState event is no longer sent when hiding
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minimized windows.
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- [QTBUG-49645] Fixed keyboard modifier state for drops from external apps.
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- [QTBUG-48795] Fixed the keyboard state when processing key events.
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******************************************************************************
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* Compiler Specific Changes *
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******************************************************************************
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Visual Studio
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-------------
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- Visual Studio 2017 is now supported.
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- [QTBUG-56594] PDB files are now properly generated even for static builds.
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******************************************************************************
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* Tools *
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******************************************************************************
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configure
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---------
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- Fixed builds that explicitly asked for -sdk iphoneos.
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- [QTBUG-56388] Fixed the detection of the Microsoft compiler version when
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the CL environment variable was set or when the compiler was configured to
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another language (other than English).
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qmake
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-----
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- [QTBUG-55505] Fixed an issue with iOS when the project path had a
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whitespace.
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- [QTBUG-56289] When cross-compiling on Windows to Unix targets, qmake no
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longer generates chmod calls.
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- [QTBUG-53905] Fixed qmake not to run moc twice on Objective C++ sources
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listed in the OBJECTIVE_SOURCES variable.
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- [QTBUG-56507] Fixed builds where a lex source refers to a file generated
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by yacc.
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- [QTBUG-57090][Darwin] Fixed the installation of asset catalog files.
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qdbusxml2cpp
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------------
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- [QTBUG-21577] Fixed the generation of signals when the direction argument
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was inverted from expected.
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