And neither does a lot of the core jQuery - which is why it has not been updated in the core
phpBB 3.3.x (since Beta1) already has JQuery 3.4.1 implemented.
[dark1]
Nice to know I'm not the only one having this issue
[dark1]
This question has already been answered in this topic.
[dark1]
I just tried it and the input lag is gone
[dark1]
[dark1]