I want to know which plugin is used to nest replies in replies?

[Moin]

Hey @Zard_W Welcome to Meta!

It’s part of Discourse core.
There are some settings which hide the indicator under certain conditions:

Is there no enable nested replies button?

Hi @wenqin Welcome to Meta I believe the settings you are looking for are here: admin-settings suppress_reply_directly_below suppress_reply_directly_above suppress_reply_when_quoting max_reply_history [IMG_0303] @Don also has a wonderful theme component that enhances the look and functionality somewhat: