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Latest Build: March 3 1.11 Version
Oldest Build: Latest Paper Spigot containing 1.7/1.8 Protocol Hack
Everything should be completely dark, with no visible light yet it doesn't.
Light updating not working in certain areas, with anything above 1.7



___This may include a build schematic, a video, or detailed instructions to help reconstruct the issue___
Worldedit
Perform these commands
//cyl bedrock 40
//hsphere bedrock 40
___This can be found by running /version on your server. latest is not a proper version number; we require the output of /version so we can properly track down the issue.___

Older builds are unsupported, i'm sorry
@sgdc3 he said it happens on the latest too
Oh, sorry i missed that
Relevant upstream JIRA ticket https://hub.spigotmc.org/jira/browse/SPIGOT-3103
Take This And Fix It ! Work For Me
mv rule doDaylightCycle false world
If You Dont Need Weather
mv rule doWeatherCycle false world
Paper has recently undone several lighting patches added by Spigot that essentially prevent the proper lighting routines from running.
Please let us know if you continue to see this behavior against the latest builds.