Billy Gilmour (Billy Gilmour) is in the Scotland Squad https://www.scottishfa.co.uk/news/scotland-set-for-big-october-double-header-as-steve-clarke-names-squad/
Pascal Gross is in the German Squad https://www.getfootballnewsgermany.com/2023/julian-nagelsmann-announces-first-germany-squad-for-october-international-break/
and of course Lewis Dunk is in the England Squad...
Of the U21s, 2 make the ROI U21 squad; goalkeeper Killian Cahill and midfielder Andrew Moran
https://www.extratime.com/articles/32033/captain-joe-hodge-returns-from-injury-for-ireland-under-21-clash-latvia/
It has recently been reported that Kaoru Mitoma has withdrawn from the Japan squad due to 'poor physical condition'. Not sure if this is accurate though.
Facundo Buonanotte is in the Argentina squad https://www.reuters.com/sports/soccer/injured-messi-named-argentina-squad-world-cup-qualifiers-2023-10-05/