> AFAIK OpenBSD has 2 releases a year - which means, that devs are trying to > keep the packages and OS itself "fresh". But I'm wondering: wouldn't be in > such situation reasonable to switch to s.c. "rolling release" model - and > even more convenient for both devs and users?
OpenBSD has 2 official releases a year, plus a daily snapshot. Three choices. It is obvious where the developers play. But it hard to see how some fictional model chosen by very small Linux distributions would benefit us.

