Newest versions of Delta Chat allow replying with a quote. It would be nice to have a way to get notified when your messages are quoted in otherwise muted chats.
Skype has a per-chat setting for this. I think it is easier to make this a global option. It’s unlikely that you want to completely mute some chat and even ignore replies to your messages there, but still don’t want to leave the chat or block it. Maybe even don’t make an option at all and always users when they are quoted.
This seems to be easier to implement than mentions: