142 lines
5.8 KiB
Groff
142 lines
5.8 KiB
Groff
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Qt 5.13.1 is a bug-fix release. It maintains both forward and backward
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compatibility (source and binary) with Qt 5.13.0.
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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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https://doc.qt.io/qt-5/index.html
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The Qt version 5.13 series is binary compatible with the 5.12.x series.
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Applications compiled for 5.12 will continue to run with 5.13.
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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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* Important Behavior Changes *
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****************************************************************************
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- [QTBUG-76521] RCC's default compression algorithm was changed back to
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Zlib, as it was in all previous releases until 5.13.0. The default will
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remain Zlib for all Qt 5.x releases but will change in Qt 6.0. To
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activate Zstd compression for your resources, either pass the
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--compress-algo=zstd option to the rcc tool or add the XML attribute
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compression-algorithm="zstd" to the <file> tags in the .qrc file.
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****************************************************************************
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* Android *
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****************************************************************************
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- [QTBUG-76293] Fix NDK r20 linking.
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****************************************************************************
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* QtCore *
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****************************************************************************
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- Global:
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* [QTBUG-72073] Added the QT_NO_FLOAT16_OPERATORS macro in order to work
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around a Microsoft <= VS2017 compiler bug that is exposed when using
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std::bitset along with any Qt header that includes <qfloat16.h>.
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- QCborStreamReader:
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* Fixed a bug that caused the QIODevice that the data was being read
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from not to show the entire CBOR message as consumed. This allows the
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user to consume data that may follow the CBOR payload.
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- QDeadlineTimer:
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* [QTBUG-69750] Fixed integer overflows leading to immediate timeouts.
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- QStorageInfo:
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* Fixed a bug that caused QStorageInfo to be unable to report all
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filesystems if the options to mounted filesystems were too long (over
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900 characters, roughly), such as those found in Docker overlay
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mounts.
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- QTextBoundaryFinder:
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* Sentence breaking now no longer breaks between uppercase letters and
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comma. This is a deviation from the Unicode specification, but
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produces less surprising behavior.
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- QTimeZone:
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* The IANA timezone database backend now properly follows symlinks even
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when they point to variable locations like /run or /var (useful when
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/etc is mounted read-only).
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- QVector:
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* Fixed a regression that caused fill() not to detach, corrupting shared
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copies.
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****************************************************************************
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* QtNetwork *
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****************************************************************************
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- Windows:
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* Correctly emit errors when trying to reach unreachable hosts or
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services
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- QNetworkAccessManager:
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* Fixed QNetworkAccessManager::sendCustomRequest for Qt For WebAssembly.
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****************************************************************************
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* QtGui *
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****************************************************************************
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- [QTBUG-73231] QWindow::mapToGlobal()/mapFromGlobal() now handle windows
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spanning screens correctly.
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- QImage:
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* Improve loading time when loading png files that have the same size as
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the target.
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- QPixmapCache:
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* [QTBUG-76694][QTBUG-72523] Ignore unsafe access from non-main threads
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- Text:
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* [QTBUG-76219] Fixed a bug which could cause the font cache to grow
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larger than it was supposed to.
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* [QTBUG-55096][QTBUG-74761] Fixed bug where regular text rendered with
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a color font would always display in black.
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****************************************************************************
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* QtWidgets *
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****************************************************************************
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- QSystemTrayIcon:
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* On macOS, show the icon passed into showMessage in the notification
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popup
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- QDateTimeEdit:
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* Use the information provided by the locale to determine the AM/PM
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strings, unless they are already translated.
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- QGraphicsView:
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* Ignore disabled items when setting the mouse cursor.
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- QMenu:
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* Shortcuts are again shown by default in context menus, except on
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macOS. They can be forced off by setting
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AA_DontShowShortcutsInContextMenus to true.
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- QSplashScreen:
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* On macOS, lower the splash screen when a modal dialog is shown to make
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sure the user sees the dialog.
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****************************************************************************
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* Third-Party Code *
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****************************************************************************
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- Updated bundled SQLite to version 3.28.0
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- Updated QLocale's data to CLDR v35.1
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****************************************************************************
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* qmake *
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****************************************************************************
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- [QTBUG-75653] The CONFIG value c++latest was added to select the latest
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C++ standard the currently used toolchain supports.
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