Contents (9)
Java What changed in 18w15a
Everything below is measured by comparing the game files of 18w14b with 18w15a — not copied from patch notes.
5 new blocks and items. Hover a slot for the name; click to open its page.
Mojang’s data generator did not produce the full registry report for one of these two builds, so this comparison covers blocks and items only. The other 0 registries could not be measured this far back — an empty section below means “not measurable”, not “nothing changed”.
Blocks +2
Items +5
How to make the new things 2
Hover a slot to see what goes in it.
New in-game text 9
| Key | Text |
|---|---|
block.minecraft.blue_ice | Blue Ice |
block.minecraft.conduit | Conduit |
effect.conduit_power | Conduit Power |
entity.minecraft.dolphin | Dolphin |
item.minecraft.dolphin_spawn_egg | Spawn Dolphin |
item.minecraft.heart_of_the_sea | Heart of the Sea |
item.minecraft.nautilus_shell | Nautilus Shell |
menu.savingLevel | Saving world |
options.biomeBlendRadius | Biome Blend |
Reworded text 2
Wording Mojang changed in this version.
| Key | Before | After |
|---|---|---|
item.minecraft.splash_potion.effect.turtle_master | Potion of the Turtle Master | Splash Potion of the Turtle Master |
item.minecraft.tipped_arrow.effect.turtle_master | Arrow of The Turtle Master | Arrow of the Turtle Master |
Development cycle
This build was part of the run-up to 1.13. Everything tested here landed in that release.





