Esoteric Software has made Spine 3.6 available. Spine is an animation tool for 2D animation in games. In the 3.6 release, the team focused on bug fixes and improving existing features, but they did manage to add a few major features, including:

Preview

Clipping

Tint Black

Mesh Manipulation Tools

Weight Painting

Point Attachments

And more...including runtime enhancements and optimizations.

A free trial is available, but full versions are available for purchase. Learn more from their blog post.