Originally noticed here:
#1350 (comment)

Possibly related issue:
#1658 (comment)

Workaround 1:
#1350 (comment)

Workaround 2:
Run

GDK_BACKEND=x11 far2l

(source: #1350 (comment))

Workaround 3:
Use kitty or any other OSC52-supporting terminal (like Windows Terminal, for example) and TTY or TTY|X far2l backend. Don't forget to enable OSC52 in far2l in Options -> Interface settings.

Workaround 4:
#1658 (comment)

Steps to reproduce:

1. Install Ubuntu 23.10
2. Install far2l-gui from ppa
3. Run far2l
4. Download, unpack and run Telegram Desktop
5. Copy any string from Telegram Desktop to clipboard
6. Try to paste in far2l