When an arrow is shot or when a trident is thrown, they have no lighting. Look at the images below that compares the trident held by the player and the thrown trident. This issue never occurs in 1.8
MC-130616
Arrow and Trident projectiles have no lighting
Resolved
Fixed
5
(Unassigned)
Unconfirmed
(Unassigned)
arrow, lighting, trident
Minecraft 18w22c, Minecraft 1.13-pre1, Minecraft 1.13-pre2, Minecraft 1.13-pre3, Minecraft 1.13-pre4, ..., Minecraft 1.14 Pre-Release 2, Minecraft 1.14 Pre-Release 3, Minecraft 1.14 Pre-Release 4, Minecraft 1.14 Pre-Release 5, 1.14.4
1.15 Pre-release 6
Retrieved
Appears to be fixed in 19w40a