✦ Changes:
● Updated all libraries to their latest versions.
● Enhanced collection performance and implemented additional optimizations.
● Implemented synchronized locks for asynchronous tasks to ensure proper synchronization and thread safety

✦ Changes:
● Fixed a few issues from the previous update.
● Optimized ranged slots and available slots of menu fillers.
● Fixed an issue with kit status when the player is not online

✦ Changes:
● Updated all libraries to the latest version.
● Added %advancedkits_total_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_available_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_unavailable_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_locked_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_purchasable_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_overused_kits_<category>% PlaceholderAPI placeholder.
● Added %advancedkits_owned_kits_<category>% PlaceholderAPI placeholder.

✦ Changes:
● Updated all libraries to the latest version.
● Allows all PlaceholderAPI placeholders on menu filler items.
● Now the refresh delay of menus will be applied to active menu fillers.
● Added caching for current items on menu fillers.

✦ Changes:
● Updated all libraries to the latest version.
● Fixed a few issues with buy upgrade cooldowns.
● Fixed a few issues with user saving data.

✦ Changes:
● Added the ability to use custom items from the ItemsAdder plugin.
● Other general optimizations

✦ Changes:
● Updated all libraries to the latest version.
● Optimized the heads with textures on legacy versions.
● Added the ability to use heads from the HeadDatabase plugin.
● Added HIDE_UNBREAKABLE item flag on unbreakable display items.
● Added the ability to use item flags on display items

✦ Changes:
● Added the ability to use custom items from the ItemEdit plugin.
● When display items have no custom name will hide the vanilla name.
● Added better compatibility with legacy display items settings.

✦ Changes:
● Updated all libraries to the latest version.
● Allows all PlaceholderAPI placeholders on the title of preview menus.
● Huge improvements on menu fillers.

✦ Changes:
● Added the ability to use PlaceholderAPI placeholders anywhere.
● Fixed a few issues with plugin hooks.
● Other general optimizations