Seeing as nobody else has posted the groups, here you go:
Group stage draw in full:
Group A: Sevilla, Apoel Nicosia, Qarabag, F91 Dudelange
Group B: Dynamo Kiev, FC Copenhagen, Malmo, Lugano
Group C: Basel, Krasnodar, Getafe, Trabzonspor
Group D: Sporting Lisbon, PSV Eindhoven, Rosenborg, Lask
Group E: Lazio, Celtic, Rennes, Cluj
Group F: Arsenal, Eintracht Frankfurt, Standard Liege, Vitoria
Group G: Porto, Young Boys, Feyenoord, Rangers
Group H: CSKA Moscow, Ludogorets, Espanyol, Ferencvaros
Group I: Wolsfburg, Gent, Saint-Etienne, Olexandriya
Group J: Roma, Borussia Monchengladbach, Istanbul Basaksehir, Wolfsberger AC
Group K: Besiktas, Braga, Slovan Bratislava, Wolves
Group L: Manchester United, FC Astana, Partizan Belgrade, AZ Alkmaar