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
Set the time to night
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
Go to the position where the sea lantern was placed
→ It should emit no light
Related issues
is duplicated by
Attachments
Comments


Confirmed in 16w41a and 16w42a

Confirmed in 16w43a

Confirmed in 16w44a

Confirmed in 1.11-pre1

Confirmed in 1.11

Confirmed in 16w50a

Confirmed in 1.11.2
Is this still an issue in the latest version?

Apparently this has been fixed somewhere between Snapshot 18w47b and 1.14 Pre-Release 3.