[Release] Codemirror6 Plugin

[StS]

@BurningTreeC

I want to give my statement here, as users are asking which cm6 plugin they should install.

Hi @BurningTreeC,
do you still fix your version?

@BurningTreeC

is the problem the same in version 5.3.3?

@BurningTreeC: Yes, it is…

Thanks, Stefan