Qt 5.15.1 is a bug-fix release. It maintains both forward and backward compatibility (source and binary) with Qt 5.15.0. 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 5.15 series is binary compatible with the 5.14.x series. Applications compiled for 5.14 will continue to run with 5.15. 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. **************************************************************************** * Client * **************************************************************************** - [QTBUG-84226] Added support for environment variable QT_WAYLAND_FORCE_NONBLOCKING_SWAP_SUPPORT, which can be used to force the resolution of detecting if EGL driver supports non-blocking eglSwapBuffers call. If you encounter application freezing while waiting indefinitely for a buffer swap, then try setting variable to 0. **************************************************************************** * QPA plugin * **************************************************************************** - [QTBUG-76324] QWaylandWindow no longer sends fake SurfaceCreated/Destroyed events. Use expose events to be notified when a Wayland surface appears.