I would like to bring your attention to something im sure your aware of. Your plugin still causes excessive lag just sitting there.
I didnt even use it to create and image, its just enabled, and causes lag so bad chunks have problems loading and i cant walk.
Your class call Task: MapInitEvent$$Lambda$7246/0x0000000801dede38(Single)
Timings with your plugin:
https://timings.spigotmc.org/?url=ecutiduqul
Timings without your plugin:
https://timings.spigotmc.org/?url=upojoquqav
Hardware: Ryzen 5 3400g
Other Tested Hardware: Intel i9-9900K <-- Same results? This is a OP processor.
You cant sit here and blame spigot for being the cause because:
https://ibb.co/Qj8zcdQ
I am running the latest version.
I dont know whats wrong with your plugin on that call specifically, but it never used to act like this