Here are features: Login by token, email/password or QR code from the mobile app
Vim-style keys and full customization
Messaging, Voice chat support
Attachment downloads, uploads
Reactions(Unicode + custom emoji), poll voting
Inline image previews via Kitty, iTerm2, or Sixel protocols (halfblock fallback for anything else)
Avatar and custom emoji rendering, full-screen image viewer
Live typing indicators, unread + mention counts
Desktop notification