Leinster will begin the defence of their European Champions Cup crown against Wasps on October 12.
Johnny Sexton has been named Leinster's captain for the 2018/19 season, with Rhys Ruddock his vice-captain.
Celtic Park will host next season's PRO14 final as the decider is held outside a traditional rugby venue for the first time.
Champions Leinster will begin the new Guinness PRO14 season by tackling Cardiff Blues in the Welsh capital on August 31.
Leinster have appointed former player Felipe Contepomi as their new backs coach, subject to him being granted a work permit.
Holders Leinster have been drawn against Wasps, Toulouse and Bath in Pool One in next season's Champions Cup.
Leinster have signed Australia international Joe Tomane from Top 14 runners-up Montpellier.
Leinster's Joey Carbery will play rugby for Munster next season after his move was confirmed by the Irish province.
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