Questions Post Process Material in SCENE DEPTH

HI.

configure the node to output SCENE DEPTH in AFTER TONEMAP type of post process materials then screenspace shake overall.

when TemporalAA is turned off, the phenomenon does not appear, and even if you change the type to BEFORE TONEMAP, it appears without any problem.

Test material node screenshot is below.

where is cause of this problem?

please answer about my question!