While 2023.2.2 is a minor "dot" release primarily for bug fixes and stability, it inherits the major features introduced in the broader :

: Includes Arnold (MAXtoA) 5.4.0, which features improved volume shading and better V-Ray scene conversion. Core Features of the 2023 Version

: Enhanced reliability and ease of access to animation data.

: A new algorithm in the Editable Poly object and Edit Poly modifier generates better topology when creating new faces or moving vertices.