Finally I upgraded the entire website to all new version for ultimate Dolphin 7.4.2!
📌 PHP 7.4.5
📌 ffmpeg version 4.4.2
📌 PHP 7.4.5 and Zend OPcache
📌 MySQL Community Server 8.0.20
📌 Use InnoDB and utf8mb4_0900_ai_ci or utf8mb4_bin
📌 TinyMCE 5.2.2
In the next step of having the ultimate dolphin, I think I should switch to UNA. don't wait for me, I'm coming...