As per the documentation that event/signal fires whenever all of a character’s ‘appearance’ instances have been inserted into that character’s model. Rendering is handled by the engine and a ‘Rendered’ event has yet to be added.
You may be able to use the ‘ContentProvider’ service.
local Game = game
local Players = Game:GetService("Players")
local ContentProvider = Game:GetService("ContentProvider")
local function OnPlayerAdded(Player)
local function OnCharacterAdded(Character)
if not Player:HasAppearanceLoaded() then Player.CharacterAppearanceLoaded:Wait() end
ContentProvider:PreloadAsync({Character})
print("Character's appearance has rendered.")
end
Player.CharacterAdded:Connect(OnCharacterAdded)
end
Players.PlayerAdded:Connect(OnPlayerAdded)