Bruce Momjian <bruce@momjian.us> writes:
> OK, but keep in mind if we use synchronized_seqscans in pg_dump we will
> have to recognize that GUC forever.
No, because it's being used on the query side, not in the emitted dump.
We have *never* promised that pg_dump version N could dump from server
version N+1 .., in fact, personally I'd like to make that case be a hard
error, rather than something people could override with -i.
regards, tom lane