I noticed a patch of land in shadow like condition with nothing obscuring the sun above.
Prior I was digging a tunnel under the patch. Back on the surface, I crossed the patch, not seeing the shadow. Returning and crossing the patch again, I noticed the shadow. Like being under a cloud or solareclipse.
edit 1
video, 27 Mb,
worldsave , 128Mb.
edit 2, 3
I since noticed night mobs while I have been sleeping from sunset, a spider, creeper and skeleton on or coming from the patch. The spider repeated following me to the edge of the shadow.
edit 4
In the mean time I have built a scaffold tower in the patch. Climbing up, "my" head and surrounding scaffold became lit when they were at level 112, with feet at 111 in darkness. Only thing around at that level is the other scaffold tower, which was built south of the shadow patch and is totally lit by the sun. Also lit, 2 blocks north from the top of that lit tower, I had built an oak leave block, with vines growing.
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galaxy_2alex
migrated
I added links to video and worldsave.
migrated
I discovered an in-game workaround.
I had already built a scaffold tower on the dark patch, noticed level 112 lit.
Built and demolished a dirt layer at that level.
As soon as I placed some blocks the whole scaffold tower until surface level and a small piece of the patch lit up.
After placing and demolishing a dirt layer approximate size of the dark patch, some shadows remained, but the majority was lit up.
Maybe 3 dirt layers would have sufficed to remove all the sunlight obscuring (air?) blocks.
violine1101
Have you ever opened this world in a snapshot or pre-release?
migrated
All versions started were 1.15.1 thru 1.16.3, no pre-release. I just checked the logs with bashcode below. I noticed in the launcher that there is a pre-release/latest snapshot.
# cp -a .minecraft/logs ~/mclogscopy
# cd ~/mclogscopy
# gunzip *.gz
# grep Starting *.log|less
Avoma
This appears to be a duplicate of MC-186337. If you have any additional information to provide regarding this issue, feel free to comment on the parent ticket. If you feel that this issue is affecting you, feel free to vote for the duplicated ticket, to give Mojang a basic idea of how many people are impacted by the problem. Just to further inform you, this will not determine how quickly the bug gets handled or fixed.
Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response - this does not mean the report is not valid, we just need more information to verify it.
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