Unpredictable labwc fullscreen freezes

for a month, freezes happen frequently during light use (ex. when browsing) and not such when a job is started, to pin it to a specific activity. no abrupt changes either: temp 40-50C, cpu 1-3%, mem 11-21% during freeze, tty doesn’t work after freezes i press power button. then get a stop job running for workspaces until it shuts down. then i power on, getstart job running and login via tty and run labwc or dbus-run-session labwc journalctl -b -1 outputs are from 3 days ago (had my recent cra...