Adobe After Effects 2021 V18.0 【Verified Source】

Optimization of the Warp Stabilizer effect resulted in up to a 4x speed gain when stabilizing UHD (4K) footage. 4. Technical Performance and System Requirements

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

The most significant technical shift in v18.0 (initially in public beta) was the introduction of Multi-Frame Rendering. Adobe After Effects 2021 v18.0

Building on the v17.5 update, version 18.0 introduced tools to make 3D navigation and object placement more intuitive.

A diagnostic tool designed to help users identify which specific layers and effects are slowing down playback, enabling more efficient project optimization. Optimization of the Warp Stabilizer effect resulted in

A dedicated toggle in the Composition panel that provides a horizon line and vanishing point, enabling designers to orient objects accurately in 3D space.

Adobe predicted performance gains of 1.2x to 1.4x on 4-6 core systems, and up to 3x on 16-core systems with at least 48GB of RAM. After Effects 18

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.