Revision control
++ 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:
++
++
++ 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:
++
++
++ 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.