I got the areane req bundle the day after it came out and i have 3 or 2 more weeks but recently it didnt show up not yet atleast
Mine hasnt either
Should be tomorrow when the next packs drop I believe
edit Yep, as of 11.30am UK I have my next 2 packs waiting for me here on Waypoint 
https://www.halowaypoint.com/en-us/games/halo-5-guardians/xbox-one/requisitions/unopened-packs