And another one
Whoa! I didn't think it was possible to write editor plugins for Spine, how'd you pull that one off?
UI is placed on top of the Spine window.
Quite right. Ui is located on top. This is not part of Spine, but a separate program.
How is it interacting with the editor?
SilverStraw is written on ahk language, so it’s simulate clicks and analyse screen.