Volta - r1344 - Playback

See attached MuseScore file.
The first lot of repeats plays the dotted D on the repeat, then skips a few notes/bar and goes into the second set of repeats, which works fine - the second set does not play the dotted C on the repeat.
If I place a repeat bar line in the first measure just after the TIME signature - then the dotted D is skipped as it should, but still misses out on the next notes/bar.
Missing played notes - something to do with blue line that appears with playback appearing after the missed bar????aftre the bar???
(Couldn't see this as reported before in forum or develpment forum).
Dave