- Upgrading gnome-extra/zeitgeist from 1.0.3 to 1.0.4 can cause a dash loading lag.
	* Try to reset ZeitGeist database with 'rm -rfv ~/.local/share/zeitgeist'.

- Installing media-fonts/ubuntu-font-family package instead of media-fonts/fonts-ubuntu
  and vice versa may cause unreadable menus before session re-login.
	* Preferably install these packages outside of the gui.

- Packages depending on gui-libs/libadwaita have Client Side Decoration.

- Tray icon is not shown when using packages based on Electron framework such as Joplin or Discord.
  https://github.com/electron/electron/issues/38979
	* Use exec prefix 'env XDG_CURRENT_DESKTOP=Unity7' as a workaround.