Idea 1: Create the ability for moderators to mute users server wide. They wouldn't be able to speak in any channel (text and voice) until they are unmuted.
Idea 2: Add the ability to ban reactions in a channel. This would prevent harmful reactions from being used in a safe space (e.g: middle finger reaction in a photography channel).
Idea 3: Add the ability to embed links into text. It looks more professional for some messages.
Idea 4: Create the ability to send out server-wide announcements every 24 hours or so that appear when you click into the server, similar looking to the Discord update GUI thing. I understand you can make an announcement channel, but it, again, would look more professional.