- Reworked the World Manager system for Spigot.
- Added manual world name setup with AnvilGUI.
- Removed automatic world naming.
- Added more world creation options: seed, world type, environment, structures, hardcore mode, generator, biome provider, flat presets, and copy settings from another world.
- Added chunk pregeneration after creating a new world.
- Added BossBar progress for chunk generation.
- Added editing options for existing worlds.
- Added support for editing default worlds like world, world_nether, and world_the_end.
- Added option to disable default worlds and replace them with custom worlds.
- Added safe default world switching through server.properties.
- Improved world loading, unloading, renaming, and removing.
- Improved AnvilGUI handling and listener cleanup.
- Added new language messages.
- Fixed several bugs related to world configs, names, folders, chunk tickets, and world management stability.
- Added the Copper Armor Set to the ArmorCreator GUI.
- Added three new enchantments: Respiration, Thorns, and Frost Walker.
- Updated LuckPerms API from 5.4 to 5.5.
- Added GUI permission editing for LuckPerms groups, similar to player permission editing.
- Added a new group list GUI with pagination and sorted group names.
- Fixed permission editing logic to support both users and groups.
- Improved LuckPerms permission handling so inherited permissions are shown as read-only.
- Fixed several command and permission name typos, including tptome and attimeweather.
- Improved GUI click handling by using item metadata instead of fragile item comparison.
- Fixed some menu/list pagination and null-safety issues.
- Updated the WorldGuard API and added new flags.
- Improved the details of the GUI icons.
- Updated potion effects for 26.2.
- Updated enchantments for 26.2.
- Added backward compatibility for 26.1.x.
- Fixed lag occurring when opening the Player Menu GUI.
- Improved the player head fetching system.
- Updated internal potion and enchantment lists for the latest 1.21.11 version.