With 5.00.047 it looks better than 4.03, i.e. no message sorting, but the messages are still sent every "screen refresh rate" seconds (mine is set to 3000ms).
Ex:
MSG,5,0,0,4891A1,0,2013.10.22,08:40:00.544,2013.10.22,08:40:00.544,,34000,,,,,,,,,,
MSG,6,0,0,4891A1,0,2013.10.22,08:40:00.544,2013.10.22,08:40:00.544,,34000,,,,,,,0,0,0,0
MSG,5,0,0,4891A1,0,2013.10.22,08:40:03.591,2013.10.22,08:40:03.591,,34000,,,,,,,,,,
MSG,6,0,0,4891A1,0,2013.10.22,08:40:03.591,2013.10.22,08:40:03.591,,34000,,,,,,,0,0,0,0
MSG,4,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,,398.6,319.5,,,64,,,,,
MSG,5,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,34000,,,,,,,,,,
MSG,3,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,34000,,,45.1389,25.6786,,,0,0,0,0
MSG,4,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,,398.6,319.5,,,64,,,,,
MSG,3,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,34000,,,45.1402,25.6773,,,0,0,0,0
MSG,4,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,,398.6,319.5,,,0,,,,,
MSG,6,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,34000,,,,,,,0,0,0,0
MSG,6,0,0,4891A1,0,2013.10.22,08:40:06.607,2013.10.22,08:40:06.607,,34000,,,,,,,0,0,0,0
MSG,3,0,0,4891A1,0,2013.10.22,08:40:09.653,2013.10.22,08:40:09.653,,34000,,,45.1416,25.6759,,,0,0,0,0
MSG,4,0,0,4891A1,0,2013.10.22,08:40:09.653,2013.10.22,08:40:09.653,,,398.6,319.5,,,0,,,,,
MSG,5,0,0,4891A1,0,2013.10.22,08:40:09.653,2013.10.22,08:40:09.653,,34000,,,,,,,,,,