Qt 5.14 introduces many new features and improvements as well as bugfixes over the 5.13.x series. For more details, refer to the online documentation included in this distribution. The documentation is also available online: https://doc.qt.io/qt-5/index.html The Qt version 5.14 series is binary compatible with the 5.13.x series. Applications compiled for 5.13 will continue to run with 5.14. 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. **************************************************************************** * General * **************************************************************************** - Added Vulkan-based server buffer integration for NVIDIA EGLStreams. - [QTBUG-73822] Added protocol and Qt Quick image provider for sharing textures in graphics memory between compositor and multiple clients. **************************************************************************** * Compositor * **************************************************************************** - The compositor module is no longer available under the GPLv2 and LGPLv3 licenses, but is still available under GPLv3 and commercial licenses. - Make QWaylandQuickShellIntegration public so that compositors can provide their code to integrate shell surfaces with QtQuick. - Added QWaylandXdgPopup::sendPopupDone, which will dismiss a popup. - Added support for the idle-inhibit unstable v1 Wayland extension. - The compositor module no longer depends on the client module. - Added support for xdg-output unstable v1 Wayland extension. - Fixed a bug where compositors would advertise support for numerous wl_shm pixel formats and then blindly assume everything to be ARGB32_Premultiplied. - Fixed a crash when destroying WaylandSurfaces and WlShellSurfaces which had not yet been initialized. - The compositor API now works without OpenGL support. - Added a floating point version of QWaylandSurface::inputRegionContains. **************************************************************************** * QPA plugin * **************************************************************************** - Pixel delta is now set for mouse scrolling events if originating from an appropriate device such as a touch pad (requires compositor support for wl_seat version 5 or later). - Added support for animated cursors. - Added support for middle mouse pasting through the primary-selection-unstable-v1 protocol. - Expose default input device to clients through the QPA API. - Fixed a 100 ms freeze that would occur if applications did not draw after receiving a deliverUpdateRequest(). - Fixed a crash when showing a window with a hidden parent. - Fixed several crashes when mixing Qt with other wayland code. qtwaylandscanner generated types now have a fromObject function which will return nullptr if the object isn't wrapped by the type.