Version-sensitive. Every API name, SDK gate and browser-support claim below was verified on 2026-09-08 against primary sources. What against, and when, is in . If that date is old, re-verify before acting on a version number. GSAP - Animation Engine GSAP 3.15 (released 13 Apr 2026). Since 3.13 the entire library - including every former Club plugin (SplitText, MorphSVG, DrawSVG, ScrollSmoother, InertiaPlugin, MotionPathHelper, CustomEase…) - ships in the public npm package and is free, commercial use included, under the GreenSock Standard "no charge" license. There is no Club paywall. GreenSo…