There seem to be random areas where lighting is not correct. Only found this in the nether. Originally thought it was an optifine issue but it also appears on vanilla. These areas eventually correct themselves after a few seconds.
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Does this happen every time this world is generated? Please provide seed and coordinates.

seed is -3862419354477532128. It happens at random I just flied around until I saw one. It's more intense in large lava lakes. Cords from the second screenshot are 269 40 -4
This issue duplicates MC-3329.

This appeared only after I updated to 1.10. I have never experienced this in 1.9.x