Spigot didn't update jar file, cause I forgot to change version string.
Sorry for inconvenience.

Fixed spawner item stacking issue caused by wrong item coloring.

+ New and better code
+ Better config handling / data storage
+ New and better looking GUI
+ Way better holograms than before (and more stable)
+ Max spawners feature (you can configure it in the config)
+ One owner feature: when enabled, other players cannot remove/stack that other player owns

Tested with 1.16.4
Added GriefPrevention compatibility

Optimized config functions.
Added version checker.

Fully rewritten plugin, fixed issues with holograms and added new GUI.

Fixed bug, that would change all placed/broken spawners into pig spawners.

Fixed update manager(once again) and removed freeze at startup.
Added gui.

Added holograms above spawners.

Update check should work now.
Fixed pixy.* permission node.
Added pixy.reload permission node.
Added /pixy reload command.

Reworked command check.
Added more config options.
Added update check in startup.
Updated permissions.

Fixed couple of bugs, it should work more stable now.
In need of testers. Please contact