diff options
authorAntti Kokko <antti.kokko@qt.io>2018-04-20 14:21:22 +0300
committerJani Heikkinen <jani.heikkinen@qt.io>2018-04-30 11:54:03 +0000
commit1e82f11629e5572783e5bfc36f24ad10c235ca53 (patch)
parentfb027435f597d55b9e72465036cb0daa2b272ec0 (diff)
Add changes file for Qt 5.11.0v5.11.0-rc2v5.11.0-rc1v5.11.0
Change-Id: I6ab3877b8fff6966141abe1bb40609e5d8d842e3 Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io> Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
1 files changed, 167 insertions, 0 deletions
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+Qt 5.11 introduces many new features and improvements as well as bugfixes
+over the 5.10.x series. For more details, refer to the online documentation
+included in this distribution. The documentation is also available online:
+The Qt version 5.11 series is binary compatible with the 5.10.x series.
+Applications compiled for 5.10 will continue to run with 5.11.
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+* Important Behavior Changes *
+* QML module plugins used to be limited to type registrations in the
+ primary module namespace in the virtual registerTypes() function.
+ Module authors worked around this limitation by placing necessary
+ internal type registrations into initializeEngine() that may cause
+ memory leaks. Therefore this restriction has been moved and types in
+ any (non-protected) namespaces can be registered in the
+ registerTypes() function.
+* In Qt 5.11 and newer versions, QML plugin modules are available with
+ the same minor version as the Qt release minor version number. For
+ example it's possible to import QtQuick.Window 2.11 or import
+ QtQuick.Layouts 1.11 even though there haven't been any API changes in
+ these modules for Qt 5.11, and the maximum possible import version
+ will automatically increment in future Qt versions. This is intended
+ to reduce confusion.
+* Library *
+ - Qt Qml uses a completely new compiler pipeline to compile Javascript (and QML) first
+ into bytecode and then JIT heavily used functions into assembly.
+ * Lots of cleanups and performance improvement to the way function calls and Javascript
+ scopes are being handled.
+ * Improved performance of JS property lookups.
+ * A new bytecode format that is very compact, saving memory in many cases.
+ * significantly faster bytecode interpreter than in earlier versions of Qt, in many cases
+ reaching almost the performance of the old JIT.
+ * A new JIT that works on top of the bytecode interpreter and only compiles hot functions
+ into assembly.
+ * Overall test results show almost a doubling of the JS performance on platforms where we
+ can't use a JIT (iOS and WinRT) compared to 5.10.
+ * With the new JIT, JS performance is usually around 10-40% faster than in older Qt versions
+ (depending on the use case).
+ - The commercial only Qt Quick Compiler has been removed and replaced with a common solution
+ that works in both the open source and commercial version of Qt. No code changes are needed
+ for users of the old compiler.
+ - Fix qmlplugindump to work correctly with shadow builds.
+ - Fixed creation of QWidgets in QML.
+ - Various fixes to the debugging bridge.
+ - ListModel
+ * Support assignment of function declarations in ListElement, to allow for
+ models with actions.
+ - QQuickWindow:
+ * [QTBUG-66329] We no longer synthesize redundant mouse events based on
+ touch events that come from a trackpad which can generate mouse events.
+ - Item:
+ * [QTBUG-20524] Added a containmentMask property. This allows any
+ QObject which defines Q_INVOKABLE bool contains(const QPointF &point)
+ (including a Shape) to mask the area of an Item that will be
+ sensitive to mouse and touch events.
+ - AnimatedSprite:
+ * [QTBUG-36341] AnimatedSprite's implicitWidth and implicitHeight are
+ now based on frameWidth and frameHeight, respectively. This means it
+ is no longer necessary to explicitly size AnimatedSprite.
+ - Image:
+ * [QTBUG-66127] Support detection of suitable file extension.
+ * Add support for ktx files containing compressed textures.
+ * Add experimental automatic atlasing of ETC-compressed
+ textures (can be enabled with QSG_ENABLE_COMPRESSED_ATLAS=1).
+ * [QTBUG-67019] SVG images are now scaled up if the source size is larger
+ than the original size.
+ * [QTBUG-65789] SVG images are rendered with the correct aspect ratio
+ when width or height is set to zero.
+ - AnimatedImage:
+ * Added a speed property. It's also OK to set it to 0 to pause
+ the animation.
+ * There is now an example to demonstrate usage of AnimatedImage.
+ * [QTBUG-62913] frameCount now has a NOTIFY signal to avoid binding warnings.
+ - Path:
+ * [QTBUG-62684] Add new PathAngleArc type.
+ - Shape:
+ * A containsMode property is added. If it is set to FillContains, then
+ Shape.contains() returns true only within the visible bounds, so its
+ Pointer Handlers also respond only within those bounds.
+ - ShapePath:
+ * Improved performance for complex paths.
+ - Text:
+ * [QTBUG-60328][QTBUG-67145] Fixed Text with ElideRight not being rendered
+ when reparented.
+ * [QTBUG-67007] Fixed non-integer scale factors with Text native rendering.
+ - Pointer Handlers:
+ * Added singleTapped and doubleTapped convenience signals to TapHandler.
+ * PointerHandlers implement QQmlParserStatus, so that subclasses can
+ have custom initialization in componentComplete() (just as Items can).
+ * [QTBUG-65651] Restore 5.9 behavior: if an Item has no PointerHandlers,
+ childMouseEventFilter() will not be called during post-delivery of
+ an unhandled event.
+ * TapHandler.gesturePolicy is now DragThreshold by default.
+ * DragHandler with target: null no longer crashes.
+ * [QTBUG-64852] DragHandler enforces its axis constraints even when
+ the parent coordinate system changes during the drag. For example
+ the knob of a DragHandler-based slider inside a Flickable doesn't
+ come out of its "groove" if you manage to drag the slider and the
+ Flickable at the same time.
+ - Loader:
+ * [QTBUG-63729] Avoid evaluating bindings during destruction, to
+ avoid some spurious errors.
+ * [QTBUG-66822] When deactivating a loader, do not immediately clear
+ its context.
+ - Software renderer
+ * [QTBUG-63185][QTBUG-65975] QSGLayer::grab now works correctly.
+ * [QTBUG-66381] Fixed a crash when a Window has a QObject parent
+ (such as Loader).
+ * [QTBUG-65934] Fixed renering of rounded rectangles with floating point
+ pixel device ratios.
+ - Platform Specific Changes:
+ * [QTBUG-67460] Fixed a problem with jumping back to the highlight
+ while slowly scrolling a ListView on macOS.
+ - [QTBUG-50064] Added QUICK_TEST_MAIN_WITH_SETUP macro to allow executing
+ C++ before a QML test (such as registering context properties).
+ - [QTBUG-45641] Tab presses are now passed on to the root item to be
+ handled first. When not handled by the root item, it will be handled
+ like a standard QWidget.