Thanks for the suggestion, but we have thought about the name intensively and we like it and we don’t want to change it a second time within 2 months.
For the pronounciation of DAVx⁵, see: https://www.davx5.com/faq/what-does-davx5-stand-for
I have problems with programs that render incorrectly (draw a “square”) or incorrectly handle this character.
Which are those programs? Seems there’s a problem with Unicode rendering there. Maybe you can improve them by sending a bug report.