PlasmaZones 2.8.7

Added

• BUILD_KWIN_EFFECT CMake option (#321): The kwin-effect subdirectory hard-requires find_package(KWin 6.6 REQUIRED), which aborted the entire configure step on distros shipping older KWin (Debian 13 / KWin 6.3.6, Ubuntu 24.04, Fedora 40) even though the daemon, editor, KCM, settings app, and QPA plugin build cleanly there. The new BUILD_KWIN_EFFECT option (default ON) lets packagers pass -DBUILD_KWIN_EFFECT=OFF to build everything except the C++ effect plugin. Thanks @iubayb.

Fixed

• Qt 6.9 QWaylandWindow::updateExposure() compile error on Qt 6.8 (#321): layershellwindow.cpp called a private method added in Qt 6.9, breaking the build on Qt 6.8.x. Guarded the call with QT_VERSION_CHECK(6, 9, 0) and fell back to the underlying public QPA mechanism (QWindowSystemInterface::handleExposeEvent) on older Qt. Same visible effect, same expose-event delivery. Thanks @iubayb.