Currently, I’m using Muse in a project creating new Materials, This tool will be so amazing like Postprocessing, Probuilder or the new Input System. This Tool will be a very helpful one to the game developers, I think, it will be essential to create beautiful games in the future.
Muse is being replaced with Unity AI and all Muse experimental packages are now sunset. Read more about Unity AI here: Unity AI: AI Game Development Tools & RT3D Software | Unity