Instead we see:
Warning: remote clipboard request timed out request id 4, selection=PRIMARY, target=TIMESTAMP Warning: remote clipboard request timed out request id 5, selection=PRIMARY, target=TARGETS Warning: remote clipboard request timed out request id 6, selection=PRIMARY, target=text/html Warning: remote clipboard request timed out request id 7, selection=PRIMARY, target=image/bmp Warning: remote clipboard request timed out request id 8, selection=PRIMARY, target=text/plain;charset=UTF-8 Warning: remote clipboard request timed out request id 9, selection=PRIMARY, target=UTF8_STRING Warning: remote clipboard request timed out request id 10, selection=PRIMARY, target=text/plain;charset=ISO-10646-UCS-2 Warning: remote clipboard request timed out request id 11, selection=PRIMARY, target=text/unicode Warning: remote clipboard request timed out request id 12, selection=PRIMARY, target=text/plain Warning: remote clipboard request timed out request id 13, selection=PRIMARY, target=STRING
Fixed in r25615.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2635