: Headlights and taillights became separate, detachable items, increasing the "quality" of crashes through more realistic debris. 2. Enhanced Map Quality: Jungle Rock & West Coast

The 0.21 cycle was famous for the final phase of the Gavril D-Series overhaul.

: Use the "Smart Spawning" feature introduced in this version to prevent vehicles from clipping into objects during high-quality scenario renders.

: This version introduced the Crawler and Prerunner models, which feature complex suspension systems requiring high-quality physics settings to simulate correctly.

A major part of the "quality" in 0.21.3.0 is how the cars handle.