Relevant info:
Deleted WTF folder and all old folders with any SUI related info including BT4.
Retail - 9.0.1 (36230)
Addons installed - Bartender4, BugGrabber, SpartanUI 6.0.3

Issue:
When choosing classic skin, the player/target/-of-target frames looks the same as the minimal/digital/transparent and keep the same placement as well, instead of going down to each side of the minimap as expected.

When choosing any other layout then classic (arcane might have some issues as well, but have never looked at it before, so wouldnt know for sure) the player/target/-of-target frames change as they should from the looks of it.

Expected.

From the SUI6 Survival Guide in discord:
With unit frames being re-wrote from scratch the artwork takes a lower priority than making sure all the new customization and options are functioning. As such not all unitframe art is finished for SUI 6.0 but will be by 6.1

Check picture in #319 for visual info about how the 3d image and player frame look even when choosing classic skin.
The 3d image and player frame is locked in place there and wont move down to map as its supposed to and it does not get its borders either.