Mojira Archive
MC-93132

Missing lighting updates for lazy chunks

The bug

Blocks that emit light which are placed or activate in lazy chunks (chunks were only redstone is processed) they will not cause a lighting update.

How to reproduce

  1. Set the time to night
  2. Use the following command, replace [x] with: Minimum(8, renderDistance) * 16 (For example your render distance is 7: 8 * 16 = 128)
    /setblock ~[x] ~ ~ sea_lantern
    
  3. Go to the position where the sea lantern was placed
    → It should emit no light