Server Version: PaperSpigot 1.8.8
Plugin Versions:

• ViaRewind: 1.3.13
• ViaVersion: 1.5.2
• HolographicDisplays: 2.3.1

Issue: All holograms from HolographicDisplays are too high (vertical axis). The hologram patch from ViaVersion has no effect on this issue.

Examples:

• 1.7.10 Client:
  
• 1.8.9 Client: