I assume this problem is likely not isolated to the beta but I'm not sure.
In Sermon Editor (on Mac) the following keyboard controls do NOT work (I'll list them and what they SHOULD do):
Cmd+left arrow = place cursor at the beginning of the current line
Cmd+right arrow = place cursor at the end of the line
Cmd+Shift+left/right arrow = select text from current location to beginning/end of line
Cmd+up/down arrow = go to beginning/end of text box
Opt+up/down arrow = go to previous/next paragraph
