No Night Vision Flickering
This mod changes night vision flickering/flashing when status effect is expiring to gentle fade-out animation over last 5 seconds(configurable)
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No Night Vision Flickering
Very simple mod that changes Vanilla Flickering happening over last 10 seconds of Night Vision, to gentle fade out over 5 seconds.

Shouldn't cause any issues compatibility issues except for mods trying achieve the same thing:
Only affected method is: GameRenderer.getNightVisionStrength(); at TAIL.