Autosave out of sync

Hi there,

sponge has two config options, one for world and one for player data saves. If I set both at the same value or 0 (disabled) and call save-all manually the player inventory and world are still out of date on server crashes.
The way I understand these config options is that, it only saves the inventory/world at those intervals, but on server crash they are still out of sync causing item duplication and loss.
Isn’t this meant to be prevent the out of sync behavior?