[+] Make placeholders on upgrade configurable.
[+] Fix auto sell summary message is being sent when it's already disabled.
[+] Now check inventory empty slots when picking up items from collectors.
[+] Add multiplier upgrade (need to see upgrades menu default configuration to implement this, if you're updating from previous version)
[+] Add placeholder {multiplier} on the sell message.
[+] Add default config message for pick up cooldown.

[+] Fix dupe that item is still collected even if it's removed by external factors.
[+] Make transaction log not auto update to optimize
[+] Fix slimefun tools could break the chunk collector.
[+] Add auto sell summary message and could be toggled using /collector autosellsummary command.
[+] %nextcollectors_auto_sell_summary% placeholder that returns "yes" and "no".
[+] Breaking chunk collector while on creative gamemode will not give the item to the player.
[+] Fix critical bug where player could dupe using auto clicker or delayed packets mod.
[+] Fix hologram not deleted on chunk collector break (only FancyHolograms)
[+] Fix picking up all items that exceeds players inventory will be lost
[+] Now update hologram on item pickup.

[+] Add an option whether to save or not to save transaction log to the database.

[+] Fix error on essentialsx worth provider.
[+] Add MySQL database option
[+] Add SQLite -> MySQL converter and vice versa.
[+] Add logger on what holograms provider that we use.
[+] Add /collector teleport command for admin
[+] Make data can accept bigger values
[+] Able to use internal placeholders on collector gui
[+] Add config option to disable chunk collectors on certain worlds.
[+] Update hologram on collector item withdraw
[+] Add /collector info command to help with support.
[+] Add more flexibility on database configuration
[+] Now whenever config gets updated, old config will be saved on old_config.yml file.
[+] Add a system to purge old and unused chunk collectors with configurable minimum inactivity duration in the config.
[+] Fix errors on items and transaction logs not saving.
[+] Add CloudSpawners integration to detect stacked items.
[+] Add support for premium EconomyShopGUI worth provider.

[+] Fix CMI sell price hook.
[+] Make sell ran synchronously due to some issues.
[+] Fix flaw in the pickup logic
[+] Fix flaw in selling and transaction log logic
[+] Add {items_stored} placeholder for the hologram

[+] Admins can now break others chunk collector.
[+] Add EconomyShopGUI as the worth provider.
[+] Add CMI as the worth provider.
[+] Add CollectorSellEvent, CollectorSellOneEvent, CollectorSellAllEvent to detect whenever player sells a collector contents.
[+] Add CollectorCollectEvent to detect whenever chunk collector collects something.
[+] Disable chunk collector from picking up Slimefun items.
[+] Add more items to the BuiltIn worth.

[+] Fix wrong item being parsed on NextGens deserialization (This fix will fix a problem where you can't sell NextGens drop that was received from collector items menu using /sell command)
[+] Now uses async task to pick up items from collector items menu.

[+] add: pick up sound for chunk collector
[+] fix: make sure nextgens installed when registering custom items
[+] fix: error when collector items is empty

[+] Add 1.21.4 support
[+] Improved how chunk collector collects item from hoppers
[+] Add pagination system to collector items menu
[+] Add NextGens integration, now chunk collector could collect items generated from generators (required NextGens v1.2.6), keep in mind this feature is still experimental.
[+] Add bStats metrics
[+] Add update notifier for spigot

[+] Optimizing transferring items with hopper to chunk collector
[+] Revamping collector items menu