As a Roblox developer, it is currently too hard to scale my game that uses many avatars loading in real-time. Clip It 
- Roblox
Roblox’s APIs are throttling us, even with caching.
We are the limit for these APIs or about to hit them.
AvatarEditorService | Documentation - Roblox Creator Hub
If Roblox is able to address this issue, it would improve my development experience because we would be able to scale past 1-2k CCU without seeing users having difficulty using our avatar editors & viewing/creating outfits in-game.