Not sure if this is where you want bug reports for these head-start versions, but I’ve noticed a problem with the FindBar related to following post:
If “Replace >>” button is ON and “In the Selection” is also ON,
the Find Previous, Find Next and Replace Next buttons are always disabled/greyed out.
http://www.emeditor.com/modules/newbb/viewtopic.php?viewmode=flat&topic_id=1895&forum=5