SimpleX Chat v5.4 - link mobile and desktop apps via quantum resistant protocol, and much better groups.

What's new in v5.4:

• Link mobile and desktop apps via secure quantum-resistant protocol.
  • ⚡️ Quick start - how to use it.
  • How does it work?
  • 🤖 Connecting to remote CLI.
• Better groups.
  • Faster to join and more reliable.
  • New group features:
    • create groups with incognito profile,
    • block group members to reduce noise,
    • prohibit files and media in a group.
• Better calls: faster to connect, with screen sharing on desktop.

There are many other improvements and fixes in this release:

• profile names now allow spaces.
• when you delete contacts, they are optionally notified.
• previously used and your own SimpleX links are recognized by the app.
• and more - see the release notes.