When using the sort (spreads) , and having some equal values in your spread, the ‘Former Index’ pin seems to ‘random’ the sequence off the slices that are double. https://vvvv.org/sites/default/files/imagecache/large/images/SortFormerIndex_2012.08.24-20.48.19.png In the forum I found some people go…

the Sort (Spreads) node uses a stable mergesort algorithm now, check latest alpha28.3.

Random Former Index in the SORT node

Westbam August 26, 2012, 6:24am 4

Very old bug, hope it gets fixed some day…