If you are OK with using a different window manager, Enlightenment has independent virtual desktops per monitor too.
Enlightenment versions since 17 have been a bit hit and miss for being stable vs. frustratingly buggy, though. Enlightenment 25 has been alright (version packaged in Bookworm (current Debian stable).
Enlightenment versions since 17 have been a bit hit and miss for being stable vs. frustratingly buggy, though. Enlightenment 25 has been alright (version packaged in Bookworm (current Debian stable).