4.18.1 - Add missing chain-up to parent in constructed() - Add runtime guard for XfceSMClient - build: Restrict XfceSMClient to X11 - build: Use XDT_CHECK_OPTIONAL_FEATURE - Small UI Improvements - parole-conf: Fix critical warning and memory leak - build: Define our own windowing macro instead of extending GDK's - plugins: Disable systray icon outside X11 - Guard X11 code paths - Fix invisible mouse (Issue #125) - Add middle click actions to tray icon (Fixes #88) - docs: Remove useless check - mpris2: Properly disconnect signal handlers - powermanager: Add missing sanity check - Only use header bar if gtk-dialogs-use-header (Fixes #117) - build: Add -export-dynamic to LDFLAGS - Add icons at missing sizes, clean up SVG metadata - Translation Updates: Albanian, Arabic, Armenian (Armenia), Basque, Belarusian, Bulgarian, Catalan, Chinese (China), Chinese (Taiwan), Croatian, Czech, Danish, Dutch, Eastern Armenian, English (Australia), English (United Kingdom), Estonian, Finnish, French, Galician, German, Greek, Hebrew, Hungarian, Icelandic, Indonesian, Interlingue, Italian, Japanese, Kazakh, Korean, Lithuanian, Malay, Norwegian Bokmål, Occitan (post 1500), Polish, Portuguese, Portuguese (Brazil), Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Uyghur