PSA: the latest Blender builds 3076544c8c52 (windows) and d726d7e462d9 (linux, macos), break MESHmachine and I assume many other addons, because of various depsgraph changes, including the removal of scene.update()
See https://developer.blender.org/rBe693918d40741b0839cea84d2e0c386cc262e0c3