I just submitted a ticket but wanted to post here that I'm experiencing the same thing. I haven't received any since Thursday. According to my open pack history I received all five regular packs and the special pack on Thursday, and the first two Elite Weekend packs. I've since completed and claimed the rest of the Elite Weekend packs and the Friday and Saturday ones, but haven't received any of them in my inventory. I still plan on claiming the Twitch rewards today and tomorrow, though I assume those won't show up either.
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NJSoldier117_XBL
@NJSoldier117_XBL