how do people play with different versions of DBSD on the same system?

[walt]

Thomas E. Spanjaard wrote:
walt wrote:
(OpenBSD has been telling everyone (for many years) to 'f*-off-and-
submit-patches' if their bootloader sucks -- which it does, IMHO.)

The the real question is... have you? ;)
No.  I submitted my patches to DragonFly.  They were accepted
(revised) and then committed by Matt -- without a single insult.
Imagine that!  Painless open-source progress...