Support for UltraDMD can be found at http://www.vpforums.org
Feature Requests / To Do Work Items:
Command line supportversion 1.0.140627- Ability to invert X and/or invert Y
Built in fonts (fonts as built in resources)version 1.0.140423- Variable width fonts (current fonts are all fixed width)
Animation designer (this is more of a whole product)version 1.0.140423- Snap to Top/Bottom/Left/Right/Center for DMD placement
- Scene priority
UltraDMD 
Is there a way to change DOT from square to something more circle?
Not at this time. It is built into XDMD.