ironically it's the first one
FYI, in general (though I think there is an exception, maybe two), infrastructure nodes with names like "new ..." are not operational; they were testbeds for radical changes; once fully tested, their code was migrated into the regular code node.
One way to tell (for... 90% sure) is to search code for the node name,and see if it's used.
You'll find that
new handlelinks settings
isn't used, whereas
is referenced quite a bit.
I reckon we are the only monastery ever to have a dungeon stuffed with 16,