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The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

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### Expected behavior You can place rails on slime blocks (with slime block at the end of them too) and push them with a piston just fine. ### Observed/Actual behavior...

type: bug
status: accepted
version: 1.19

Fixes https://github.com/PaperMC/Paper/issues/4793 Supercedes https://github.com/PaperMC/Paper/pull/5139 (Vanilla does not normally send entity data here at all) The issue is it reintroduces some of the issues specified in: https://github.com/SpigotMC/BungeeCord/issues/2321 Opinions here?

### Expected behavior When creating a new world the `World#getEnderDragonBattle().hasBeenPreviouslyKilled()` should return false. ### Observed/Actual behavior When world is created it first returns true. After a player go in the...

type: bug
status: accepted
version: 1.19

### Stack trace https://paste.gg/p/anonymous/48eda05347494fd2b272bd6f0e0dc940 ### Plugin and Datapack List **Plugins:** LuckPerms, VoidGen, BlockLocker, AutoMessage, HolographicDisplays, BuycraftX, Votifier, Pl3xMap, ProtocolLib, pAcPI, CommandHook, WeatherVote, PACDonjons, VoxelSniper, AdvancedNMotd, HideAndSeek, Vault, SpamExclude, PACFirstPlayed, WorldEdit,...

type: bug
status: accepted
priority: low
version: 1.19

### Expected behavior When I charge and release a trident I would expect the event to be triggered. ### Observed/Actual behavior The event doesn't trigger when a player launches a...

type: bug
status: accepted
version: 1.19

### Expected behavior I recently discovered that the PlayerMoveEvent does not trigger when moving in a minecart or on a llama. But due to the fact that it triggers when...

type: bug
status: accepted
version: 1.19

### What behaviour is expected: If you have custom heart containers (example 40 not the default 20) when you join you can see all containers filled. ### What behaviour is...

type: bug
status: accepted
upstream: bukkit
version: 1.19

By default, spigot shifts chat over to an unbounded thread pool, on a normal server, this really offers no gains, the creation of a thread on submitting to the pool...

status: rebase required

When TPS catchup kicks in from a large spikes, mobs run at super speed. see if we can mark the tick as hasnt had a delay, and run mobs as...

help wanted
type: feature
status: accepted
priority: low

### What behaviour is expected: If there is no recipe for the items in the crafting grid, taking items out of the result slot of the crafting inventory should leave...

type: bug
status: accepted
version: 1.19