I can confirm that renaming /etc/xdg/autostart/at-spi-dbus-bus.desktop to /etc/xdg/autostart/at-spi-dbus-bus.disabled fixed the issue for me as well.
I can confirm that renaming /etc/xdg/ autostart/ at-spi- dbus-bus. desktop to /etc/xdg/ autostart/ at-spi- dbus-bus. disabled fixed the issue for me as well.