Since the 7.0 release of EiffelStudio, BIT types are almost gone. To be precise they are not completely gone but your code will not compile out of the box if you are still using them.
I am so excited that I can really push ISE Eiffel compiler to support full Unicode.
6.6 should be the first version to support it.
The first thing I do is parsing UTF-8 source code.
EiffelStudio 6.2 has just been released. For those who haven't followed the intermediate releases, here is an idea of what is included: