Order | Cross-Server & Optimized v1.15.0-alpha-1

[+] Reworked cross-server syncing with Redis: orders, deliveries cancellations now update across all servers instantly instead of polling the database
[+] Cross-server notifications
[+] Made the ability to change the items inside drop event

[+] If the order is cancelled, the cancel button isnt shown anymore

[~] Fixed visual bug
[~] Fixed orders not being shown on 26.2

[+] Added a new command for users

[+] You can now use multiple slots for any gui item, simply use it like this:

slot: [1, 2, 3 etc.]

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[+] Added price per item
[~] Fixed inventory issue on canvas

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