Add changes file for Qt 5.12.8
Change-Id: I22227e4e671e509d6208f30220c00f026a09eb13 Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io> Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io> Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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Qt 5.12.8 is a bug-fix release. It maintains both forward and backward
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compatibility (source and binary) with Qt 5.12.0 through 5.12.7.
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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 5.12 series is binary compatible with the 5.11.x series.
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Applications compiled for 5.11 will continue to run with 5.12.
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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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* QtCore *
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****************************************************************************
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- QLockFile:
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* Suppressed the warning on QNX that said 'setNativeLocks failed:
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"Function not implemented"'. There is no difference in behavior: Qt
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will continue not to be able to apply an OS- level file lock, which
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means the lock could be accidentally stolen by buggy software. Correct
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software using QLockFile should not be affected.
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- QXmlStream:
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* QTBUG-47417: QXmlStreamReader does now limit the expansion of
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entities to 4096 characters. Documents where a single entity
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expands to more characters than the limit are not considered well
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formed. The limit is there to avoid DoS attacks through
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recursively expanding entities when loading untrusted content. Qt
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5.15 will add methods that allow changing that limit.
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****************************************************************************
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* QtSQL *
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****************************************************************************
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- sqlite:
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* Updated to v3.31.1
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* [QTBUG-82533] Fixed CVE-2020-9327
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****************************************************************************
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* QtNetwork *
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****************************************************************************
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- QSslCertificate:
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* Fix a potential heap buffer overflow when parsing certificates
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- QTBUG-81762: Fix SSL symbol resolving for OPENSSL_NO_NEXPROTONEG
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****************************************************************************
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* Platform specific changes *
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****************************************************************************
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- macOS:
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* QTBUG-82986: Improve performance when flushing sublayers
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* QTBUG-79139: Avoid repainting OpenGL layers when resizing the window
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- xcb/X11:
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* QTBUG-76147, QTBUG-76354, QTBUG-68864: Fix handling of minimized state
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- QNX:
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* QTBUG-81701: QLockFile: Disable flock() on QNX
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