I just did a major rebalance. All the sold funds were correctly handled by QC but the new fund purchase was omitted. All I got was a transaction called Exchange and an amount. I think this might be the second time recently where funds bought are not being added correctly.
I fixed it manually (sort of). I added the bought fund shares but then the balance was way off vs cash position. I had to create a new transaction to fix cash position to ero because the manually bought funds were also deducted from the account value. It looks like the cash from the sales and the purchase never appears is the account register.
Hard to reproduce this as the entire rebalance download can't be replicated again.