Источник https://www.spigotmc.org/resources/lagassist-%E2%9A%A1-advanced-performance-solution-%E2%9A%A1-1-8-1-19-x-compatible.56399/ Исходный код https://git.entryrise.com/stefatorus/LagAssist Для версий 1.8.+1.9.+1.10.+1.11.+1.12.+1.13.+1.14.+1.15.+1.16.+1.17.+1.18+1.19.+