Spine 3.8.99 Jun 2026

: Projects exported from 3.8.99 must use the 3.8 series runtimes. It is not forward-compatible with 4.x runtimes due to the absence of the curve-based data structures found in newer versions.

: Use the Dopesheet and Graph Editor to set keys for rotation, translation, and scale [6, 18]. Spine 3.8.99