[MC-139246] Hostile mobs don't spawn at night in the overworld

The world was created in one of the previous snapshots

Worlds created in current snapshot don't have the same issue

Re-creating the same world doesn't have the same issue

At night no mobs spawn in the Overworld.

Mobs do however spawn in the Nether naturally and from spawners in both the Nether and the Overworld

Here is a side-by-side comparison of the the original and a re-created worlds (same location)

2018-11-11_15.22.16.png - original, no mobs

2018-11-11_15.23.54.png - re-created, mobs

Related issues

duplicates

MC-139338 Mobs in spawn chunks don't despawn, resulting in no mobs spawning anywhere else

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Comments

migrated 2018-11-11T12:27:54Z

[media][media]

Asteraoth 2018-11-11T15:45:36Z

Thank you for your report!
However, this issue is a Duplicate of MC-138337.

If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.

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migrated 2018-12-01T23:12:01Z

I'm sorry, but i dont think those are the same. In the thread https://bugs.mojang.com/browse/MC-137795 it seems mobs aren't spawning at certain heights, or crops are not griwing, however in my case it's not the case at all. The bug is listed as 'fixed' however when I tried loading my world in 18w48b and the bug still exists.