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

A "gaming-style" engine designed from the ground up to replace the legacy OpenGL Fast Draft mode. It prioritizes interactive performance over visual fidelity, allowing for fluid camera movements in complex 3D scenes. Adobe After Effects 2021 v18.0

For the first time, After Effects could utilize multiple CPU cores to render frames in parallel, rather than processing them sequentially on a single core. Adobe After Effects 2021 v18.0