I think the most recent one is because there may be a relationship between the timing of his posts and real life events. When the IG report got delayed a week, his posts might have followed suit.
I was thinking there might be a ten day dark period before the IG report dropped, but if it were delayed unexpectedly then it would have made it a 17 day dark period instead. Regardless, Q is still with us–just a matter of time before this thing happens.