Rocketboots I just updated to the latest version of Spine, each time I try and add a new skin placeholder to a new, or existing bone, Spine immediately crashes after entering a name for the new placeholder and clicking "ok".
Erika Actually, you're not supposed to create Skin placeholders on bones, you should only create them on Attachments or Slots. Skins - Spine User Guide: Skin placeholders I've reproduced your bug and filed an issue here: Skin placeholder on bone makes Spine crash · #291 · EsotericSoftware/spine-editor