Sorry for late reply ka. We built WQ in WW25 - 27. WQ slider didn't use WPE offset but slider used WPE offset on G100 that G100 slider will WPE close to target ka. So, we found some CHUNKs showed wide or narrow WPE on WQ ka.
We observed data found some slider group showed narrow WPE than target, that we have this group around 13.3k (NEWWPE2) ka. We will keep monitor and will feed back to slider team again ka.