Actually, Mac and iOS were (and still are) unofficially supported on all versions of GC FSM, but they couldn’t be advertised due to a technical issue in the Unreal 4.18/4.19 toolchain. The issue have been fixed in Unreal 4.20 and now GC FSM is available on all platforms!

The latest minor release v1.5.1 of GC FSM supporting Unreal 4.20 is now available on the Unreal Marketplace. Also, it adds a way to defer the initialization of proxy FSMs of replicated actors (details here).

Sorry to have kept you waiting, but version 1.5 of GC FSM is now available on the Unreal Marketplace. This version adds a new feature called Submachine State that allows to you to easily create a multi-layer FSM without having to subdivide the logic in multiple classes. Be sure to read the documentation page and ...