Nametags are empty & skins don't show on 1.7 clients

[blastyman]

Describe the bug, provide any errors
There's no errors.

How can we reproduce it?
Steps to reproduce the behavior:

1. Login on a 1.8 server with a 1.7 client.
2. It takes some time, but with a few relogs you should start seeing players' nametags being empty and their skins being Steve.

Expected behaviour
Nametags and skins should show up as usual.

Screenshots
https://prnt.sc/cj9KuA-gx08y
https://prnt.sc/eKno_-Nt4eZ3

ViaVersion Dump:.
https://dump.viaversion.com/b9a743f0747cce5c57bdc1825404beb69fc144a725abc5af35a4c8b58a7b3b25

Additional server info
Do you use a proxy (eg. BungeeCord)? What software do you use and what plugins?
Latest BungeeCord. And as for the plugins most of them are custom except for a few.

Checklist (mark with [X] to check)

• I have included a ViaVersion dump
• If applicable, I have included a paste (not a screenshot) of the error
• I have tried a build from https://ci.viaversion.com/ and the issue still persists
• I have looked at https://www.spigotmc.org/resources/viarewind-legacy-support.52924/ and it does not offer a fix for my problem

IMPORTANT: Follow the Checklist or we can't reproduce your issue and your issue will be closed

[Barvalg]

Please try the latest build(s) from https://ci.viaversion.com/

[ghost]

same
still present in the latest version of viaversion/viarewind