OIDN Noise in V-Ray 7.4

Compared to previous versions, such as OIDN in V-Ray 7.1, OIDN in V-Ray 7.4 appears to produce more noise around high-intensity areas.

Is this an issue with OIDN itself, or is it something that can be addressed on the V-Ray side?

The image shows a zoomed-in view of the upper right corner of the box.
Test scene attached.

V-Ray(7.4)-C4D(2026).zip (70.2 KB)

Has support for V-Ray C4D ended?