Changelogs: 1.5.2: https://lists.freedesktop.org/archives/wayland-devel/2016-November/031926.html 1.5.3: https://lists.freedesktop.org/archives/wayland-devel/2016-December/032110.html 1.5.5: https://lists.freedesktop.org/archives/wayland-devel/2017-January/032610.html 1.6.0: https://lists.freedesktop.org/archives/wayland-devel/2017-January/032746.html 1.6.1: https://lists.freedesktop.org/archives/wayland-devel/2017-February/032940.html 1.6.2: https://lists.freedesktop.org/archives/wayland-devel/2017-February/033169.html 1.6.3: https://lists.freedesktop.org/archives/wayland-devel/2017-March/033377.html 1.7.0: https://lists.freedesktop.org/archives/wayland-devel/2017-March/033531.html 1.7.1: https://lists.freedesktop.org/archives/wayland-devel/2017-April/033962.html 1.7.2: https://lists.freedesktop.org/archives/wayland-devel/2017-May/034037.html Lots of fixes, most notably around trackpad support on high-dpi systems.