"it seems that the set is indeed discontinued but will be re-released under a different number (10231 vs. 10213) with changes to improve stability."
There has been made a PDF that shows the changes needed and if consumer service is call they will send the needed elements and the PDF. All new sets packed from around week 10 will be with the improved build up. The set number will not change.
It looks like you're new here. If you want to get involved, click one of these buttons!