Will 'o the Wisp

[Dorugami]

I wasn't sure if it was a bug or a feature, but I did find it strange. There's light on an otherwise dark area.

Screenshots:

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Note that there aren't any siding + light trick being used here. Also it's night, so there shouldn't be any light. There are also no floating jack o lanterns or glowstone or any of that shit, and if the lighting on the ground is any indication, the object would have had to be 3 or less blocks above the ground.

My hunch is I left a forest fire going on at this spot at some point and the leaves decayed and took the fire with it but the lighting never did. Anyone else experiencing this?

[ExpHP]

Yes, I've had this happen to an area that I lit on fire, my guess is when chunks were unloaded.

It looked like a very large area was lit up, but it turned out there were only 10 or so bugged tiles. I managed to fix it through trial and error by placing blocks and watching the shadows change.

[erikdk321]

Yup, this is fire. I have seen this happen on EmeraldCrack too. (someone burnt a path through the jungle and it was lit which was quite convenient)

[Hipnos]

The light that some mushrooms emit can be left behind after the mushroom is gone, also.

[SterlingRed]

Just to be clear, so nobody goes running off to the bug reports, it's a vanilla issue that's about as old as time. In some cases fire doesn't "exitinguish" properly which leaves lighting issues and / or invisible fire. Placing a block where the bugged fire would be fixes it.