"Tang, Haiying" <tanghy(dot)fnst(at)cn(dot)fujitsu(dot)com> writes:
> When reading code related ECPG I found 75220fb was committed in PG13 and master.
> I don't know why it shouldn't be backpatched in PG12 or before.
> Can anyone take a look at this and kindly tell me why.
We don't usually back-patch things that aren't clear bug fixes.
regards, tom lane