I found that I had a modpack I was trying and trying to get uploaded, but the pack was rejecting time and time again for various reasons. Now that the pack no longer has all these faults that made it rejected, it stays ''under review'' for infinity.
And when I upload the same ZIP modpack file but hide it under a different name, it gets looked at immediately. Which means the moderators definitly do get tired of some people's submissions, which is a real shame. I expected better