Transparency sort axis not affecting inside sorting grops

If we place two sprites inside sotring group, transparency sort axis with y=1 have no affect on them anymore.
1 and 2 case - working correctly
3 - two sprites inside one sorting group
Is there any way to solve this problem?

I’m using sorting groups for separate parallax plans (main, forward, backward … (about 10 layers) [132800-снимок22.png|132800]

I’ve just discovered this issue, did you find any fix apart from making a script?

Looking further it seems to sort them based on their order in the hierarchy.