It’s always been like this. They work for the most part but get stuck sometimes.
If you’ve ever done cloth sims in a 3D modeler you can understand why resizing/morphing the base collision mesh could result in anomalies like this.
Just jump around a bit and the skirt gets unstuck, it’s really not that big a deal. There are certain advantages to having a short character in PVP so honestly the skirt thing has never really deterred me. I actually like how the Hyena armour skirt sticks