Building on the v17.5 update, version 18.0 introduced tools to make 3D navigation and object placement more intuitive.
Streamlined transform gizmos allowed for faster manipulation of 3D layers without constantly switching tools. 3. Workflow & Integration Features Adobe After Effects 2021 v18.0
Professional reviews and technical benchmarks highlight that while v18.0 pushed boundaries, it remained highly resource-dependent. After Effects 18.0 is here! - Adobe Community Building on the v17