Andres Freund <andres@anarazel.de> writes:
> I don't think enabling backtraces without a way to disable them is a good idea
> - security vulnerablilities in backtrace generation code are far from unheard
> of and can make error handling a lot slower...
Well, in that case we have to have some kind of control GUC, and
I think the consensus is that the one we have now is under-designed.
So I also vote for a full revert and try again in v18.
regards, tom lane