South Africa Rugby have confirmed that Johann van Graan will take up his role as Munster's new head coach on 20 November.
Conor O'Brien will make his Leinster debut in Friday's Pro 14 game against Conference A leaders Glasgow Warriors at Scotstoun Stadium.
Munster have made ten changes for Friday's Pro 14 game against Dragons at Musgrave Park.
Ireland head coach Joe Schmidt says "there is no policy" to omit foreign-based players from the national team.
Ireland head coach Mark Aston says Michael Morgan faces a fitness test on Friday ahead of Sunday''s Rugby League World Cup game against Papua New Guinea.