It was returning ticking chunk count instead of the intended full chunk count.
We can also directly use the size of the fullChunks collection instead of iterating all chunks.
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
Bukkit Changes:
b9df8e9f SPIGOT-7933: Improve custom Minecart max speed
fc496179 Fix InstrumentTest
7c0ec598 PR-1075: Make Art an interface
c389f5a4 PR-1074: Make Sound an interface
CraftBukkit Changes:
df1efc0bb SPIGOT-7945: `Bukkit#dispatchCommand` throws `UnsupportedOperationException`
285df6e85 SPIGOT-7933: Improve custom Minecart max speed
a0f3d4e50 SPIGOT-7940: Recipe book errors after reload
9e0618ec2 SPIGOT-7937: Cannot spawn minecart during world generation with minecart_improvements enabled
1eb4d28da SPIGOT-7941: Fix resistance over 4 amplify causing issues in damage
52b99158a PR-1504: Make Art an interface
e18ae35f1 PR-1502: Make Sound an interface
Spigot Changes:
e65d67a7 SPIGOT-7934: Item entities start "bouncing" under certain conditions
