"Thomas S. Chin" <thom@genx.net> writes:
> I noticed that the behavior of queries that involve LIMIT/OFFSET no longer
> return results consistent with the ordering of the same query without
> LIMIT/OFFSET:
No, this is not considered a bug; no such behavior has ever been
promised. Read the fine manual.
(Your actual problem is that the sort ordering is underspecified, which
means you'll get varying results anyway.)
regards, tom lane