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Qt 5.10.1 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.10.0.
For more details, refer to the online documentation included in this
distribution. The documentation is also available online:
http://doc.qt.io/qt-5/index.html
The Qt version 5.10 series is binary compatible with the 5.9.x series.
Applications compiled for 5.9 will continue to run with 5.10.
Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Qt Bug Tracker:
https://bugreports.qt.io/
Each of these identifiers can be entered in the bug tracker to obtain more
information about a particular change.
This release contains all fixes included in the Qt 5.9.4 release.
****************************************************************************
* Important Behavior Changes *
****************************************************************************
* A type that can be used for object declaration in QML must start with an
uppercase letter (this has always been the convention). Registration of
type names beginning with lowercase characters is now explicitly disallowed.
****************************************************************************
* Qt 5.10.1 Changes *
****************************************************************************
QtQml
-----
- [QTBUG-65924] Fixed namespaced builds with -no-qml-debug
- [QTBUG-65624] Fixed a crash with simple qsTr() bindings on var properties
- [QTBUG-36773] A qmldir file can be provided via a custom schema
- [QTBUG-64798] Property alias syntax error no longer causes a crash
- [QTBUG-44153] Fixed a crash when a property alias points to a deleted object
- [QTBUG-47321][QTBUG-51995][QTBUG-60344] We now avoid temporarily invalid
bindings (such as "Cannot read property of null") while unloading a Loader
- [QTBUG-66067] Fixed a bug with negative-valued enum values in singletons
- QML profiler:
* [QTBUG-64674] Re-enabled QML memory profiling
* [QTBUG-65190] QML profiler tracks signals globally to prevent duplication
- Platform Specific Changes:
* Fixed compilation on QNX 7.0
* Enabled x86-64 JIT for QNX
* Enabled ARM64 JIT for QNX
QtQuick
-------
- [QTBUG-50992] Fixed bugs related to deferred property bindings to avoid
item view delegate objects being destroyed during incubation or failing
to be created. This fixes a lot of related bugs in QtQuick Controls 2.
- [QTBUG-64548][QTBUG-62990][QTBUG-64367] Shortcut works in QQuickWidget
and QQuickRenderControl scenes
- [QTBUG-65789] An Image with an SVG source uses the SVG renderer to do
animorphic scaling sharply
- [QTBUG-64616] Fixed a bug with TextInput validators allowing invalid characters
- [QTBUG-52944] When a Loader loads a Window, its transient parent will now
be set to the Loader's window (i.e. the window manager should place it on top).
- Improved support for compressed textures
- Software rendering:
* [QTBUG-62867] Fixed bad clipping caused by incorrect background coordinates
- Item Views:
* [QTBUG-49218] Fixed an off-by-one layout error in GridView
* [QTBUG-64311] Fixed the removal transition animation when the last item
of a GridView or ListView is removed
- Shapes:
* [QTBUG-64951] Some rendering performance improvements; added
qt.shape.time.sync logging category
* [QTBUG-65173] Shapes work correctly in static builds
* [QTBUG-63105] Invisible Shapes can be used with OpacityMask and other
Qt Graphical Effects
- Pointer Handlers:
* [QTBUG-64692] Pointer Handlers receive events in the reverse of
declaration order, just as Items receive events in top-down Z order
* [QTBUG-65003] TapHandler consistently emits the canceled signal when
its passive or exclusive grab is taken over by another handler or item
* [QTBUG-64848] One pinch gesture cannot pinch two PinchHandlers at the
same time; to that end, we now test the target item's bounds correctly
when delivering native gesture events from trackpads
* A Pointer Handler with only a passive grab cannot prevent delivery to
other handlers by accepting all the points in the pointer event.
This enables Handlers to cooperatively modify behavior of existing controls.
* TapHandler.gesturePolicy is now DragThreshold by default (rather than
ReleaseWithinBounds), because this makes it easier for a TapHandler to
add additional onTapped behavior to existing controls. The reason is
that the DragThreshold policy only requires a passive grab, not an exclusive
grab, so it doesn't interfere with the pre-existing event delivery.
* Fixed a bug with target item translation in DragHandler
* Added plugins.qmltyles so that syntax highlighting and completion work
in Qt Creator
* Various improvements in the tests/manual/pointer manual tests
- Platform Specific Changes:
* [QTBUG-61882][QTBUG-65519] Fixed rendering of emoji on macOS
* [QTBUG-65663] Fixed re-rendering of window when dragged to a screen
with a different devicePixelRatio on macOS
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