karl@??? writes:

[Fix Chimera update issue]

> b, Even if not, is their interest for making it again possible?
>
> If only for Chimera, no; otherwise, yes, as shown in my
> expansions into completely unrelated topics.

As it stands, an updated Chimera system will fail to boot unless / and
/usr are on the some partition. That's not documented in the release
notes and that's a serious issue for everyone who might become affected
by it. Undocumented features with seriously negatively consequences are
by definition bugs.