Hi Phil,
The new PC board ties introduced this past summer are all crossties, that is they are the 8'6" ties used for straight and curved track and in N scale are cut from 1mm material. These are for use in our new
curved and
straight track fixtures. Having 1mm ties for these makes construction of straight and curved lengths of track much easier.
All our turnout PC board ties are still 1/32" thick, and will work with older fixtures, no change there. Just the new 8'6" crossties are cut from thicker material.
Sorry for the confusion, you aren't the first to ask...