Belt compression forces items backwards (Video included)

[nailfoot]

The video says it all, but just in case:

The copper ore in the third lane down is being forced backwards against the belt. I assume it is due to belt compression logic with the splitter sideloading.

https://youtu.be/Fr2BzuRF50k

EDIT

I see this is a duplicate. I will leave it here so it can be merged.

[boskid]

Dup: 58046

(to mod: i suggest merging topics as this link shows clearly where issue is)