I just added an attachment which shows exactly what i'm talking about. There IS a window nearby, but the window is to the left of the character, offscreen, and only covers a 2x4 area of glass on the Z and Y axis. That one window shouldn't be able to create that much light from that far away.
BULLSHIT, I loaded something in the EXACT same spot. Nothing (meaning NOTHING) was different from the first time. that's why it's a glitch, and thats why it is required to be fixed or for all chunk limitations to be deleted in 1.12.2
"Cannot reproduce" is not a valid response as i would not have posted this if i wasn't getting scammed.