As seen in the images, when a glowing lichen spawns nex to a flowing water collum, and it is seen from the inside, it interrupts the shade that the water makes the player see. Note that probably, the water may not have generated flowing.
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I'm slightly confused here. Is the issue that the glow lichen is not destroyed by flowing water or is it something else? If this is the case, this is probably intended due to the resolution ofย MC-212116. If this isn't what you meant, please clarify. Thank you ๐

It may be not very clear, but the bug is not MC 212116. What is happening here is that when glow lichen touches flowing water and you see it from inside, the game doesn't render the water properly in the place that it touches the glow lichen.