What are the modern IRC/XMPP clients for Windows?

Question

XMPP

Requirements:
1. Normal interface, not a la 90s.
2. Not on an electron.
3. Open source, no probes, etc.
4. Ability to export the history of correspondence.
5. Not on gtk.
6. Dark theme without dancing with a tambourine.
7. Convenient and simple gui.
8. The latest version was released in 2019-2020.

Answer 1

None of the clients I know match your criteria.
The most functional and adapted for real daily use is Gajim, it uses GTK.
The second suitable for daily use is Psi +, it does not have a dark theme.

Answer 2

Gajim